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 Compressor crankcase heating control systems and methods patent thumbnailnew patent Compressor crankcase heating control systems and methods
A compressor crankcase heating control method for a heat pump system includes selectively actuating a first switching device to connect and disconnect first and second power lines to and from second and third switching devices, respectively, the first and second power lines receive a first voltage. The compressor crankcase heating control method further includes, when the first and second power lines are disconnected from the second and third switching devices via the first switching device, actuating the second and third switching devices thereby connecting third and fourth power lines to ends, respectively, of at least one winding of a stator of an electric motor of a compressor.
Emerson Climate Technologies, Inc.


 Vehicle power transmission device patent thumbnailnew patent Vehicle power transmission device
A vehicle power transmission device including a crank type continuously variable transmission mechanism is provided with a forward/reverse switching mechanism disposed between an output shaft and a driven wheel, a transmission shaft relatively rotatably fitted around an outer periphery of the output shaft, an auxiliary power transmission device configured to provide a connection between an input shaft and the transmission shaft, a first outer peripheral spline provided on the transmission shaft, second and third outer peripheral splines provided on the output shaft, an inner peripheral spline that can switch between a first state, a second state, and a third state, and a second one-way clutch provided between the output shaft and the second outer peripheral spline and that is engaged when a rotational speed of the output shaft exceeds a rotational speed of the second outer peripheral spline.. .
Honda Motor Co., Ltd.


 Continuously variable transmission patent thumbnailnew patent Continuously variable transmission
Traction planets and traction rings can be operationally coupled to a planetary gearset to provide a continuously variable transmission (cvt). The cvt can be used in a bicycle.
Fallbrook Intellectual Property Company Llc


 Belt tension adjusting device for engine patent thumbnailnew patent Belt tension adjusting device for engine
There is provided a belt tension adjusting device for an engine having a chain cover; a mount attaching portion; and a driving belt. An arm is swingably supported about a hinge pin fixed to the engine.
Suzuki Motor Corporation


 Stamped steel pendulum and pendulum carrier for crankshaft patent thumbnailnew patent Stamped steel pendulum and pendulum carrier for crankshaft
A pendulum assembly comprises a cold forged steel or cold formed steel pendulum attached to a cold forged steel or cold formed steel carrier. The carrier is attached to the crankshaft.
Ford Global Technologies, Llc


 Control device of multi-cylinder internal combustion engine patent thumbnailnew patent Control device of multi-cylinder internal combustion engine
The invention relates to a control device of a multi-cylinder internal combustion engine. The control device starts executing an ignition engine start control to restart the engine operation when a predetermined engine restart request is generated, a last signal output from a crank angel sensor corresponds to the compression tdc and a signal is output from the sensor before a time elapsing from the output of the last signal reaches a predetermined time.
Toyota Jidosha Kabushiki Kaisha


 Double wall self-contained liner patent thumbnailnew patent Double wall self-contained liner
A robust engine assembly having reduced weight and efficient cooling, without an increase in fuel consumption or carbon dioxide emissions, is provided. The engine assembly includes a double-wall cylinder liner clamped between a cylinder head and a crankcase.
Federal-mogul Corporation


 Method for producing a sprayed cylinder running surface of a cylinder crankcase of an internal combustion engine and such a cylinder crankcase patent thumbnailnew patent Method for producing a sprayed cylinder running surface of a cylinder crankcase of an internal combustion engine and such a cylinder crankcase
A method for producing a cylinder running surface of a cylinder crankcase of an internal combustion engine includes thermally spraying a coating material comprising particles onto a cylinder inner wall of a cast cylinder crankcase using an inert gas as an atomizer gas so as to produce a coating. A mass feed rate of the coating material during the thermal spraying is 8 to 22.5 kg/h..
Ks Huayu Alutech Gmbh


 Engine with central gear train patent thumbnailnew patent Engine with central gear train
An engine including having a frame structure with a central longitudinal space containing a gear train in which end gears drive end crankshafts and a central gear drives a central crankshaft, a pair of dual piston and cylinder assembly are connected between each end crankshaft and central crankshaft on opposite side of the central space. The combustion chambers of cylinders on each side of the central are intercommunicated by passages extending through the hubs of gears in the gear train, a controller for the fuel injectors of the cylinders selectively causes the double pistons of each pair of passage connected to have either simultaneous internally fired power drive strokes in one mode or simultaneous internally fired and shared power drive strokes in another mode..

 Engine working machine patent thumbnailnew patent Engine working machine
A cost of an engine working machine is suppressed, and startability of an engine is improved. In an engine working machine for driving a working tool by using an engine including: a fuel tank; a carburetor for supplying air-fuel mixture of fuel supplied from the fuel tank and air into a cylinder; a cylinder in which a piston is reciprocatable; and a crank case that holds the cylinder and forms a crank chamber, the engine working machine is provided with: an additional fuel supplying unit for supplying fuel to the engine separately from the carburetor; and a control unit for controlling an operation of the additional fuel supplying unit separately from supply of start-up fuel..
Hitachi Koki Co., Ltd.


new patent

Control vehicle


A control apparatus for a vehicle may include an engine, a fuel tank, a feed pump, a pressure sensor, a motor and an electric storage apparatus. The feed pump feeds the fuel to a port injection valve.
Toyota Jidosha Kabushiki Kaisha


new patent

Circumferential breather vent


An apparatus and method are provided for a breather vent configured to be mounted onto a crankcase breather inlet of an internal combustion engine, such that particulate matter and contaminates are removed from an airstream entering into an interior of the crankcase. The breather vent comprises a base including a fitting receiver configured to retain a breather end of an adaptive fitting.
K&n Engineering, Inc.


new patent

Device for bicycles or other vehicles driven by pedals or handles


The present invention concerns a device (1) for bicycles or other pedal-powered vehicles, fitted with at least one crank (3) that has a pedal at one end (2) and a box on the other (4), with said box (4) being fitted with a flute and contiguous to a fixed structure fitted with a pin, characterized in that the movement of the crank is limited by the pin's movement in said flute, in that the box (4) nests a torsion spring within it, in that the device is fitted with a braking mechanism of the crankshaft's (24) sprockets, in that these sprockets (24) engage in the sprockets of the transmission box, connecting this box to the toothed shaft's box (63) and in that the sprockets of the transmission box, in turn, transmit their movement to the outer shaft.. .
Fereira Marinho, José Manuel


new patent

Bicycle computer


A bicycle computer comprises a housing in which a data processor and a transceiver are arranged. The computer has a display.
Canyon Bicycles Gmbh


new patent

Vehicle control device


A vehicle control device includes an engine, a battery, a starting device, a battery sensor, a crank angle sensor, a shift position sensor, and an electronic control unit. The electronic control unit is configured to determine whether or not at least either one of a piston position and a shift position satisfies a predetermined threshold switching condition based on the piston position and the shift position.
Toyota Jidosha Kabushiki Kaisha


new patent

Method and controlling a powertrain system including multiple torque-generative devices


A powertrain system includes an internal combustion engine having a crankshaft that fixedly couples to an input member of a multi-mode transmission including first and second torque machines. The transmission operates in one of a plurality of fixed-gear modes and variable modes through selective activation of first and second clutches.
Gm Global Technology Operations Llc


new patent

Method for producing a forged crankshaft


A method for producing a forged crankshaft includes a die forging step, a trimming step, and an excess projecting portion crushing step. The die forging step forms a finish forged blank with flash, the finish forged blank including a shape of the crankshaft, in which crank arms have excess projecting portions at outer peripheries of side portions thereof near a crank pin, the excess projecting portions projecting from the outer peripheries.
Nippon Steel & Sumitomo Metal Corporation


Apparatus and estimating crank angle when engine stops


An apparatus for estimating a crank angle when an engine stops includes a crank sensor generating an output signal indicating a rotational angle of a crankshaft. A resolver generates an output signal indicating a rotor absolute angular position of a motor which is connected to the engine to transmit power.
Hyundai Motor Company


Testing auxiliary belt system and testing system provided with the same


The present disclosure provides a testing apparatus of an auxiliary belt system. The testing apparatus of the auxiliary belt system includes: a tester bracket, a torque pulse simulation motor mounted to the tester bracket, a crankshaft pulley mounted to the tester bracket and rotated by operations of the torque pulse simulation motor, an auxiliary system mounted to the tester bracket, connected to the crankshaft pulley through a belt and rotated by rotation of the crankshaft pulley and a controller controlling operations of the torque pulse simulation motor..
Hyundai Motor Company


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Chain guiding device for bicycles


A chain guiding device for bicycles comprises a main body, a chain guiding unit, a fixing unit and a control unit. The main body is installed onto a bicycle frame.
Th Industries Co., Ltd.


Crankshaft assembly with polygon crank pin


A crankshaft assembly for a motorcycle includes a first flywheel half with a polygonal-shaped aperture therein and a second flywheel half with a polygonal-shaped aperture therein. The first and second flywheel halves are interconnected by press-fitting opposing first and second polygonal shaped end portions of a crank pin into respective polygonal-shaped apertures of the first and second flywheel half.
Stoffel Polygon Systems, Inc.


Control unit for a multi-cylinder internal combustion engine


A control unit according to the present invention performs an automatic stop control in which an injection of fuel from a fuel injection valve is stopped to stop a rotation of an engine when an automatic stop condition is satisfied. Furthermore, the control unit performs a first injection, in which fuel is injected from the fuel injection valve of a cylinder in an expansion stroke, and an ignition operation for igniting the fuel injected by the first injection, when a restart demand occurs after an initiation of the automatic stop control.
Toyota Jidosha Kabushiki Kaisha


Controllable oil separation device


An oil separation device for separating oil from a gas stream for ventilating a crankcase of a combustion engine may include an inflow side and an outflow side. The inflow side can be fluidically connected to the crankcase of the combustion engine and may receive the gas stream laden with oil.
Thyssenkrupp Presta Teccenter Ag


Vehicle control device


A vehicle control device includes a controller configured to perform: ignition starting of an engine when a detected crank angle is within a first area in which the ignition starting of the engine may be performed with probability not smaller than a first predetermined value; and the ignition starting of the engine while increasing an engine speed by engaging a clutch to transmit torque of a drive wheel to a crankshaft when the crank angle is within a second area in which the ignition starting of the engine may be performed with probability not smaller than a second predetermined value smaller than the first predetermined value and smaller than the first predetermined value, the instruction is output based on a signal indicating that a braking unit is turned on, and a gear of a transmission is not in neutral.. .
Toyota Jidosha Kabushiki Kaisha


Storage device for liquid containers


Described herein is a device comprising a liquid container mounting structure and a support structure. The liquid container mounting structure securely holds liquid storage containers.

Exercise device


An improved exercise device includes pedals configured to move in counter-rotating circles in a plane inclined toward the horizontal from the vertical at an angle greater than 0° and less than or equal to 90°. The device includes a supporting frame, a pedal mounting assembly attached to the supporting frame at an angle from the vertical, two pedal supports attached to the pedal mounting assembly, each via a pedal crank assembly, at an angle to the vertical, and two pedals, one pedal supported by each pedal support..
M&s Distribution, Inc.


Exercise device


An exercise device is provided with a frame, two pedals, two first swing arms, two second swing arms, a resistance device, two link rods, two cranks, two limiting rods, and two roller assemblies. Each first swing arm has two ends, in which one end pivotally connects to the frame, and the other connects to one of the two second swing arms.
Dyaco International Inc.


Crossbow cocking crank


In some embodiments, a crossbow crank comprises a housing and a shaft rotatable with respect to the housing. A one-way mechanism is arranged to prevent rotation of the shaft in a first rotational direction, but allow rotation in a second direction.
Mcp Ip, Llc


Connecting rod and internal combustion engine


A connecting rod has a big end bearing eye for attachment to a crankshaft, a small end bearing eye for attachment to a piston of a cylinder, and an eccentric adjusting device for adjusting an effective connecting rod length. The eccentric adjusting device has eccentric rods (15, 16) with first ends that engage on an eccentric lever of the eccentric adjusting device and second ends that engage on pistons (20, 21) guided in hydraulic chambers of the connecting rod.
Dr. Ing. H.c. F. Porsche Aktiengesellschaft


Connecting rod and internal combustion engine


A connecting rod (10) has a big end bearing eye (11) for attachment to a crankshaft, a small end bearing eye (12) for attachment to a piston, and an eccentric adjusting device (13) for adjusting an effective connecting rod length. The eccentric adjusting device (13) has eccentric rods (15, 16) that engage on an eccentric lever (14), an eccentric (36) that is guided in an aperture in the eccentric lever (14) and in the small end bearing eye (12) and an aperture for accommodating a piston pin (37).
Dr. Ing. H.c. F. Porsche Aktiengesellschaft


Connecting rod and internal combustion engine


A connecting rod (10) has a big end bearing eye (11) for attachment to a crankshaft and a small end bearing eye (12) for attachment to a piston of a cylinder. An eccentric adjusting device (13) adjusts an effective connecting rod length.
Dr. Ing. H.c. F. Porsche Aktiengesellschaft


Crankshaft for reciprocating engine


A crankshaft includes: journals that define a central axis of rotation; crank pins that are eccentric with respect to the journals; and crank arms for connecting the journals and the crank pins, wherein each of the crank arms or at least one of the crank arms integrally includes a counterweight. The crank arms have a recess in a surface adjacent to a corresponding one of the journals, the recess disposed inward of a peripheral region along a periphery of the surface, the recess disposed along the peripheral region.
Nippon Steel & Sumitomo Metal Corporation


A assembling and an assembly of a crankshaft and a crank member


A method of assembling a crankshaft and a crank member comprises supplying a crankshaft including a crankpin which extends between crank arms, supplying two halves of a crank member, which are fixed to each other about the crankpin such that in assembled condition the crank member is rotatable about the crankpin and comprises a bearing portion having an outer circumferential wall for bearing a big end of a connecting rod and an external crank member gear for driving the crank member about the crankpin, wherein the halves are fitted about the crankpin, hence creating two contact faces at opposite sides of the crankpin, after which both halves are fixed to each other in circumferential direction by means of applying at least a fixation at a fixing place located remote from the bearing portion and the toothed surface of the crank member gear.. .
Gomecsys B.v.


Hydraulic cylinder drive system


A hydraulic drive system that utilizes two or more hydraulic cylinders for applying torque to the drive shaft of a machine instead of a typical hydraulic motor. Each hydraulic cylinder is attached at one end to the frame of the machine by a clevis mount that pivots and the other end is rotationally connected to a shaft that is fixed to a crank arm that is fixed to the drive shaft.

Supplementary air assembly for an engine


An internal combustion engine includes a crankcase including a crankshaft and at least one cylinder coupled to the crankcase. The at least one cylinder has an intake port and defines an internal combustion chamber.
Polaris Industries Inc.


Dual-cam bellcrank mechanism


A method and system for imparting a linear motion to a flexible shaft is disclosed. The system includes a bellcrank having a first arm, a second arm, and a first pivot pin therebetween.
The Boeing Company


Two-cycle engine


A peripheral wall portion of a piston is provided with a through hole penetrating through the peripheral wall portion. A cylinder is provided with a scavenging passage having a first opening being open in a bore surface and configured to make a bore section and a crank chamber communicate with each other and is provided with a communication passage having a second opening being open in the bore surface on the other side with respect to the first opening and configured to make the bore section and the scavenging passage communicate with each other.
Maruyama Mfg. Co., Inc.


Fifty percent burn crankshaft angle estimation systems and methods


An engine control system of a vehicle includes an estimation module and an actuator module. The estimation module estimates a crankshaft angle where 50 percent of a mass of fuel is burned during a combustion event based on: a combustion speed when a crankshaft of an engine is at a predetermined position during the combustion event; an engine speed; a mass of air per cylinder (apc); a spark timing; and a predetermined spark timing.
Gm Global Technology Operations Llc


Position based air/fuel ration calculation in an internal combustion engine


Some embodiments relate to an internal combustion engine that includes a combustion chamber and a rotating component. The internal combustion engine further includes a sensing system that detects an angular position of the rotating component.
Kohler Co.


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Method and device for determining a signal offset between a crankshaft angle signal and a combustion chamber pressure signal in an internal combustion engine


A method for determining a signal offset between a crankshaft angle signal and a combustion chamber pressure signal in an internal combustion engine, in which an instantaneously measured combustion chamber pressure profile is compared to a calculated, modeled combustion chamber pressure profile. In a method in which the correction values of the signal offset may be ascertained in any operating state of the internal combustion engine, the instantaneously measured combustion chamber pressure profile is shifted with respect to the calculated, modeled combustion chamber pressure profile along a crankshaft angle for generating an artificial signal offset, and a reconstruction quality is determined from this shifted combustion chamber pressure profile in that, from the artificial signal offset along the crankshaft angle of the shifted instantaneously measured combustion chamber pressure profile, a reconstruction error is ascertained as a measure of the effective signal offset between the crankshaft angle signal and the combustion chamber pressure signal..
Robert Bosch Gmbh


Connecting rod and internal combustion engine


A connecting rod (10) has a crankpin bearing eye (11) attached to a crankshaft (38) and a connecting-rod bearing eye (12) attached to a piston. An eccentric adjustment device (13) adjusts an effective connecting rod length and has eccentric rods (15, 16) that engage a lever (14) of the eccentric adjustment device (13).
Dr. Ing. H.c. F. Porsche Aktiengesellschaft


Connecting rod and internal combustion engine


A connecting rod (10) has a pin bearing eye connected to a crankshaft and a connecting rod bearing eye (12) connected to a piston. An eccentric adjusting device (13) adjusts an effective connecting rod length and has eccentric rods (15, 16) that act on an eccentric lever (14) of the adjusting device (13).
Dr. Ing. H.c. F. Porsche Aktiengesellschaft


Systems and methods of forced air induction in internal combustion engines


Apparatuses, systems and methods for utilizing crankcase compression air to effect forced air induction (i.e. “boost”) into the combustion chamber of an internal combustion engine is provided.

Internal combustion engine


An internal combustion engine includes a cylinder head, a crankshaft, intake and exhaust camshafts, first and second chain covers, a chain, and a fastening bolt. The first chain cover having a cutout includes a first flange positioned at a specific edge portion of the cutout, which is positioned between the crankshaft and the camshafts, and a first boss through which a shaft portion of the fastening bolt is passed.
Toyota Jidosha Kabushiki Kaisha


Simultaneous actuating mechanism for parallel axis rotors


The simultaneous actuating mechanism for parallel axis rotors includes a base and a plurality of rotating rotors mounted in spaced relation inside the base, the rotors having parallel axes of rotation. A crank pin extends from each rotor at a position offset from the corresponding axis of rotation.

Hybrid vehicle


An engine electronic control unit of a hybrid vehicle is configured to execute in-abnormality starting control for starting an engine when the engine is cranked in a state where abnormality occurs to communication between the engine electronic control unit and a hybrid electronic control unit. The hybrid electronic control unit is configured to execute in-abnormality cranking control for controlling the first motor such that the engine is cranked when the abnormality occurs to the communication between the engine electronic control unit and the hybrid electronic control unit.
Toyota Jidosha Kabushiki Kaisha


Food cutting device


The device has a crank assembly for retaining and rotating the fruit or vegetable being cut and a removeably mounted blade assembly for cutting the retained fruit or vegetable as it is rotated. A single, large diameter suction cup is attached to the bottom of the device engage the surface upon which the device is situated.
Ontel Products Corporation


Method for producing a forged crankshaft


A method for producing a forged crankshaft includes a die forging step, a trimming step, and an excess projecting portion bending step. The die forging step forms a finish forged blank with flash, the finish forged blank including a shape of the crankshaft, in which crank arms have excess projecting portions at outer peripheries of side portions thereof near a crank pin, the excess projecting portions projecting from the outer peripheries.
Nippon Steel & Sumitomo Metal Corporation


Positioning mat for bedridden patients


A waterproof pad, a roller, two brackets, and a crank comprises a positioning device for bedridden patients. The roller is mounted between the two brackets, which are securely affixed to each side of a hospital bed frame, near the headboard.

Pressure measurement system for engine


A pressure measurement system for an engine is illustrated. The pressure measurement system includes a pressure sensor configured to generate a signal indicative of a pressure within a cylinder and an angle sensor configured to generate a signal indicative of an angular position of a crankshaft of the engine.
Caterpillar Inc.


Torque converter drive connection


A torque converter includes a cover arranged for driving engagement with a crankshaft and a connecting sleeve with an internal thread arranged for engaging an external thread of the cover or the crankshaft to directly connect the cover to the crankshaft. In some example embodiments, the connecting sleeve includes a cylindrical portion including the internal thread and a first radial wall disposed at a distal end of the cylindrical portion.
Schaeffler Technologies Ag & Co. Kg


Mechanism for filtering torque fluctuations of a secondary member


A filtering mechanism for torque fluctuations is interposed between a crankshaft of an internal combustion engine and a transmission. This mechanism comprises a rotating member to be damped, an oscillating inertial flywheel rotating around the axis of revolution, and pivot-mounted modules allowing angular deflection of the oscillating inertial flywheel with respect to the member to be damped.
Valeo Embrayages


Drive system of a high-pressure fuel pump, high-pressure fuel pump assembly and internal combustion engine


A drive system is provided for a high-pressure fuel pump of an internal combustion engine. The drive system includes a drive train which is coupled on the input side to a crankshaft and on the output side to a valve controlling camshaft.
Bayerische Motoren Werke Aktiengesellschaft


Waste heat recovery and boost systems including variable drive mechanisms


A powertrain system is provided and may include a combustion engine, a crankshaft, and a turbo-compounding system. The combustion engine may include an intake manifold and an exhaust manifold.
Avl Powertrain Engineering, Inc.


Engine block construction for opposed piston engine


An opposed-piston engine assembly is disclosed including a first cylinder liner containing a pair of first pistons that move toward one another in one mode of operation and away from one another in another mode of operation. The pistons are coupled to first and second crankshafts.
Avl Powertrain Engineering, Inc.


Multi injector thermal management system and method


A system according to the present disclosure controls first and second fuel injectors to inject fuel into a cylinder of an engine based on a measured crankshaft position. The system controls the first and second fuel injectors based on a first target injection parameter once every n firing cycles of the cylinder, where n is equal to the number of fuel injectors that are operable to inject fuel into the cylinder.
Avl Powertrain Engineering, Inc.


Opposed-piston engine having a single crankshaft coupled to the opposed pistons by linkages with pivoted rocker arms


An opposed-piston engine with a single crankshaft has a rocker-type linkage coupling the crankshaft to the pistons that utilizes a rotatable pivot rocker arm with full-contact plain bearings. A rocker-type linkage utilizes a rotatable pivot bearing with an eccentric aspect to vary translation of piston linkage along the axial direction of a cylinder, which shifts the top dead center (tdc) and bottom dead center (bdc) locations of a piston so as to change the volume of charge air compressed during the power stroke..
Achates Power, Inc.


Internal combustion engines


An internal combustion engine comprising at least one pair of opposed, reciprocating pistons forming a combustion chamber therebetween a crankshaft driven by the pistons via respective drive linkages. The outer piston furthest from the crankshaft comprises a skirt extending from its perimeter towards the crankshaft to form a cylinder within which the other, inner piston reciprocates..
Cox Powertrain Ltd


Fan drive assembly


A fan drive assembly for a cooling system of an engine is provided. The engine includes an engine housing and a crankshaft.
Caterpillar Inc.


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Camshaft adjusting device


A camshaft adjusting device having improved lubricant management including adjusting gearing for adjusting the angular position of a camshaft is proposed, the adjusting gearing having an input shaft, which can be coupled to a crankshaft, an output shaft, which can be coupled to the camshaft and an adjusting shaft, which can be coupled to an actuator. The adjusting gearing defines a rotational axis and the gearing forms a gearing interior, in which the input shaft, the output shaft and the adjusting shaft are operatively interconnected.
Schaeffler Technologies Ag & Co. Kg


Method for producing a forged crankshaft


A method for producing a forged crankshaft includes a die forging step, a trimming step, and an excess projecting portion bending step. The die forging step forms a finish forged blank with flash, the finish forged blank including a shape of the crankshaft, in which crank arms have excess projecting portions at outer peripheries of side portions thereof near a crank pin, the excess projecting portions projecting from the outer peripheries.
Nippon Steel & Sumitomo Metal Corporation


Fully adjustable lift system


A lift and gauge wheel lift mechanism has a hydraulic lift cylinder pivotally connected to a lift mechanism rocker link. A rear lift wheel link is pivotally connected to the lift mechanism rocker link.
Cnh Industrial America Llc


Reciprocating compressor with vapor injection system


A compressor may include a compression cylinder, a compression piston, a crankshaft, an injection bore, a position sensor, and a valve assembly. The compression piston is disposed within the compression cylinder and is operable to compress a vapor disposed within the compression cylinder from a suction pressure to a discharge pressure.
Emerson Climate Technologies, Inc.


Reciprocating compressor, compression section unit, and maintenance reciprocating compressor


A reciprocating compressor is provided with a compression section which compresses gas, and a crank section which has a crankshaft and drives the compression section. The compression section is provided with a wall body portion which includes a cylinder and constitutes a wall body of the compression section, a cylinder head attached to the cylinder, a piston which reciprocates within the cylinder, a piston rod which couples the crankshaft and the piston, and at least one sealing member fixed to the wall body portion and disposed in the circumference of the piston rod.
Kabushiki Kaisha Kobe Seiko Sho (kobe Steel, Ltd.)


Method and system to determine location of peak firing pressure


A method or system to determine peak firing pressure of a cylinder of an engine having a crank shaft. The method includes accessing a knock signal received from a knock sensor of the cylinder.
General Electric Company


Methods and systems for an intake oxygen sensor


Methods and systems are provided for adjusting a reference voltage for an intake manifold oxygen sensor based on ingestion of hydrocarbons from a fuel system canister and/or an engine crankcase. During conditions when purge or crankcase ventilation hydrocarbons are ingested in the intake aircharge, the intake oxygen sensor is transitioned from operating at a lower reference voltage to a higher reference voltage where the effects of the ingested hydrocarbons on the sensor output are nullified.
Ford Global Technologies, Llc


Control device for internal combustion engine


A control device for an engine of the invention executes an automatic stop control for stopping stop a rotation of a crank shaft when a predetermined automatic stop condition is satisfied. The device acquires a focused peak value of the engine speed appearing after a time when a rotation direction of the crank shaft first reverses while the automatic stop control has been executed, determines, based on the focused peak value, whether there will be an excessive peak value expected to depart from a predetermined permission range after the focused peak value appears, and executes a starter start control for driving the starter, restarting the fuel supply and igniting the fuel to restart an operation of the engine when a predetermined restart condition is satisfied, the engine speed is within the predetermined permission range and it has been determined that there will be no excessive peak value..
Toyota Jidosha Kabushiki Kaisha


Method for reducing air flow in an engine at idle


Methods and systems are provided for controlling air ingestion in an engine during idle conditions. One example approach includes adjusting an opening of a common shut-off valve via an electronic controller, the common shut-off valve regulating each of motive flow through an aspirator and crankcase ventilation (cv) flow from a crankcase.
Ford Global Technologies, Llc


Oil pan and engine assembly including the oil pan


An engine assembly includes an oil pan including an oil pan body defining a cavity. The oil pan body includes a dividing wall separating the cavity into a first compartment and a second compartment.
Gm Global Technology Operations Llc


Lapping machine drive


A high speed vertical textile lapper has a comb reciprocated by a first motor and a presser bar reciprocated by a second motor, both motors being under a common servo motor control. The linear comb is reciprocated by a comb crankshaft in a crankcase while the presser bar is reciprocated by a bar crankshaft in order to deposit a lapped web onto a horizontal conveyor which sends the web through an oven where some of the web fibres fuse to adhere the finished web.
V-lap Pty. Ltd.


Fluid meter with improved piston guidance


The invention relates to a fluid meter (27) comprising a housing (28) defining at least one crankcase (29) and two cylinders (25, 26), a crankshaft (11) disposed in the crankcase (29), two pistons (3, 4) respectively mounted in the cylinders (25, 26) for reciprocal movement, a first connecting rod (12) connected to one of the pistons (3) and to the crankshaft (11) for rotating the crankshaft (11) in response to the movement of the one piston (3), and a second connecting rod (13) connected to the other piston (4) and to the crankshaft (11) for rotating the crankshaft (11) in response to the movement of the other piston (4), wherein the first and second connecting rods (12, 13) have yoke slots (16, 17) for receiving a crank pin (19) radially offset from the crankshaft (11). The invention is characterised in that the first connecting rod (12) has a guiding rod (20) extending in a longitudinal direction of the cylinders, the guiding rod (20) being adapted to engage a corresponding cavity (22) in the second connecting rod (13) to support and guide the connecting rods (12, 13) in relation to each other during movement.
Wayne Fueling Systems Sweden Ab


Systems and methods for operating flight control surfaces


Systems and methods for operating flight control surfaces are provided. One system includes a control device having a two piece shaft including a first shaft portion and a second shaft portion, a spline key detachably coupling the first shaft portion and the second shaft portion, and a crankshaft operatively coupling the two piece shaft and a flight control surface.
The Boeing Company


Bicycle driving device


A bicycle driving device including a shaft rotatably mounted on a part of a body frame; two crank arms perpendicularly disposed at both ends of the shaft so as to be symmetrical with each other at 180° with respect to a center of the shaft as a base point; a pedal attached to a tip of the crank arm; a gear mounted at one end of the shaft, which is provided with a chain; and balance weights disposed in a predetermined plane parallel to a surface formed by a rotary motion of the crank arm for generating kinetic energy equivalent to the kinetic energy generated by rotary motion of the crank arm and the pedal, wherein each mount position of those balance weights is set to be adjustable in an arc with a predetermined radius with respect to an axial center of the shaft.. .
Gokiso Giken Co., Ltd.


Bicycle with compliant seat post interface


A bicycle includes front and rear wheels, a frame supported on the front and rear wheels, and a seat post. The frame includes a seat tube having an upper end with a rear wall and a side wall, and the seat post is positioned at least partially inside the seat tube and is secured to the seat tube at a securing location spaced from the upper end.
Specialized Bicycle Components, Inc.


Hybrid vehicle


In the process of cranking and starting an engine by a motor, until a predetermined condition is satisfied, i.e., until a rotation speed ne of the engine is equal to or higher than a predetermined rotation speed nstmg and a crank angle θcr of the engine is in a predetermined range of θst1 to θst2, the motor is controlled to increase the torque of the motor from value 0 to a positive specified torque tst1 and keep the torque of the motor at the specified torque tst1 by a rate process using a rate value Δtst1. When the predetermined condition is satisfied, a rate value Δtst2 is set to increase with an increase in satisfaction time rotation speed neset that denotes the rotation speed ne of the engine on satisfaction of the predetermined condition.
Toyota Jidosha Kabushiki Kaisha


Lateral roller support in an elliptical


An exercise machine includes a frame and a resistance mechanism attached to the frame. A crank assembly is in mechanical communication with the resistance mechanism, and the crank assembly includes a crank arm, a roller connected to the crank arm, and at least one internal load bearing surface integrated into the roller.
Icon Health & Fitness, Inc.


Central resistance mechanism in an elliptical


An exercise machine includes a frame and a resistance mechanism attached to the frame. A crank assembly is in mechanical communication with the resistance mechanism, and the crank assembly includes a crank axle, a crank arm connected to the crank axle, and a roller connected to a distal end of the crank arm.
Icon Health & Fitness, Inc.


Entrapped roller of an elliptical


An exercise machine includes a frame and a resistance mechanism attached to the frame. A crank assembly in mechanical communication with the resistance mechanism, and the crank assembly includes a crank arm and a roller connected to the crank arm.
Icon Health & Fitness, Inc.


Hybrid spinner-blade and plug fishing lure


A new form of hybrid fishing lure configured to exhibit the advantages of both a spinner blade lure and a traditional plug lure or crank bait is described. The lure device is equipped with a reflective spinner blade or blade configured to rotate about a swivel mechanism when pulled through the water.

Chainrings and crank assemblies


A chainring includes a first section having consecutive first teeth. Each of the first teeth includes a first load flank surface having a first wear resistance.
Sram, Llc


Adjustment of ignition timing at cut out


An internal combustion engine (1) may include a combustion chamber (41) into which a mixture (40) of fuel and air is supplied, a spark plug (50) disposed proximate to the combustion chamber (41) to ignite the mixture (40) by generating a spark such that ignition of the mixture drives a piston (6) operably coupled to a crank portion (12) of the engine (1), a speed sensor (102) configured to determine engine speed, and an electronic control unit (100) configured to control operation of the spark plug (50). The electronic control unit (100) may be configured to initiate a speed limitation operation in response to engine speed reaching a cut out speed threshold and to control ignition timing within an operating band (320) of ignition angles prior to engine speed reaching the cut out speed threshold.
Husqvarna Ab


Motor vehicle and assembling a motor vehicle


A motor vehicle with an internal combustion engine which is installed into a motor chamber in the longitudinal direction and which has a multi-joint crank drive with an eccentric shaft and a crankshaft starter is disclosed. The crankshaft starter is arranged relative to the internal combustion engine such that a longitudinal central cylinder plane, which is spanned by longitudinal central cylinder axes of the internal combustion engine, lies between the crankshaft starter and the eccentric shaft..
Audi Ag


Bulkhead insert for an internal combustion engine


An engine includes a cylinder block defining at least one main bearing bulkhead adjacent to a cylinder, and a crankshaft rotatably housed within the block by a main bearing. A bulkhead insert has a cap portion, and an insert portion provided within the bulkhead.
Ford Global Technologies, Llc


Control internal combustion engine


A control apparatus for an internal combustion engine is configured to: calculate measured data for mfb in synchrony with crank angle based on in-cylinder pressure detected by an in-cylinder pressure sensor; execute sa-ca10 feedback control and ca50 feedback control based on a measured ca10 and a measured ca50 that are calculated based on the measured data; execute engine control based on a degree of correlation between the mfb measured data and the reference data that corresponds thereto; and generate reference data for a combustion period by linear interpolation and linear extrapolation based on a target ca50 and a specified ca10.. .
Toyota Jidosha Kabushiki Kaisha


Control device and control vehicle


A control device for a vehicle including an engine, the engine including an electric vvt mechanism, the electric vvt mechanism that changes a valve timing of at least either one of an intake valve and an exhaust valve, the control device includes an ecu. The ecu is configured to: perform a crankshaft stop position control to control a rotation stop position of a crankshaft during a stop process of stopping the engine, such that a valve opening degree in which at least either one of a first gap between the intake valve and the corresponding valve seat and a second gap between the exhaust valve and the corresponding valve seat is fully closed or becomes a predetermined gap or more is set as a target valve opening degree; and operate the electric vvt mechanism until the valve opening degree reaches the target valve opening degree, when the engine stops..
Toyota Jidosha Kabushiki Kaisha


Method of friction control


This invention relates to a method of lubricating an internal combustion engine comprising at least one of a crankcase, a gear and a wet-clutch, said method comprising supplying to said crankcase, gear, and wet-clutch a lubricating composition containing: (a) an oil of lubricating viscosity; and (b) a friction modifying additive which is the reaction product of a hydrocarbyl-substituted succinic anhydride and an acid functionalized amine compound.. .
The Lubrizol Corporation


Electric power supply system for machine


An electric power supply system for a machine is provided. The electric power supply system includes a first battery for supplying power to a plurality of electrical components during an operating state of the engine.
Caterpillar Inc.


Methods and systems to derive knock sensor conditions


A method of diagnosing a knock sensor includes steps of receiving data from the knock sensor, the knock sensor configured to be coupled to an engine, processing the data to derive one or more events from the data, and determining whether the one or more events took place at a known time or a known crank position.. .
General Electric Company


Compound archery bow and firing system for the same


A spring crossbow and, more particularly, a crossbow having a firing system with at least one compression style single spring assembly and a pair of cranks each having first legs engageable against the at least one single spring assembly and second legs to support rotatable archery cams.. .

Idle gear assembly


An idle gear assembly comprises an outer ring having gear teeth formed on an external surface thereof and engaged with a crank gear and any one of the left and right balance gears. A bearing includes an inner member and an outer member in a radial direction of the bearing and a plurality of rolling bodies disposed between the inner member and the outer member.
Hyundai Motor Company


Main bearing for crankshaft of internal combustion engine


A main bearing includes first and second half bearings, each having a main cylinder portion and crush relief portions in both circumferential end portions. An oil groove circumferentially extends on an inner circumferential surface only of the first half bearing, one circumferential end portion of the oil groove opens on a circumferential end surface on a front side in a rotation direction, and the other circumferential end portion of the oil groove is positioned in the main cylinder portion.
Daido Metal Company Ltd.


Main bearing for crankshaft of internal combustion engine


A main bearing includes first and second half bearings, each having a main cylinder portion and crush relief portions in both circumferential end portions. An oil groove circumferentially extends on an inner circumferential surface only of the first half bearing, one circumferential end portion of the oil groove opens on a circumferential end surface on a front side in a rotation direction, and the other circumferential end portion of the oil groove is positioned in the crush relief portion on a rear side in the rotation direction.
Daido Metal Company Ltd.


Mechanical lever-driver for pressure pump


Examples of a lever-driven pumping system are described. The lever-driven pumping system can comprise a motor that is configured to provide an input energy to drive a crank shaft, a positive displacement pump with at least one piston and a pump chamber arranged in a pump housing, and a lever driver with at least one lever that has a load end in communication to the crank shaft and a force end in communication with the at least one piston.

Engine starter attachment for battery operated drill/driver gun


A device designed to be a fixture for a commercially available battery operated drill/driver gun used to start an internal combustion engine such as a model airplane engine by pressing the device onto a nose cone adapter attached to the engine crank shaft. The portion of the device which comes into contact with the nose cone adapter on the engine is a cylinder connected to a shaft by means of a one way clutch.
K Square Machine Works, Llc


Control device for uniformly distributing gases and/or liquids between at least two containers


A control device is provided for uniformly distributing gases and/or liquids between at least two containers with a different internal pressure, such as, fuel containers, crank casings and the like, in particular in internal combustion engines with more than one cylinder bank and a separate intake air feed per bank. The gas feed line assemblies (1) leading to the cylinder banks are connected to a chamber of a double-acting pressure box (4) and the gas flow in the gas feed line assembly (1) with the greater underpressure is reduced using a diaphragm (7) that is deflected as a result of a pressure difference in the gas feed line assemblies (1) by means of at least one throttle valve (10, 11) that can be activated via at least one sliding element (8, 9)..
Dr. Ing. H.c. F. Porsche Aktiengesellschaft


Implosion enabled engine of exothermic type in explosive system (ieex-ex) employing a safe pipe system (sps) and other safety devices


The present subject matter discloses the concept of multiple engine heads for one cylinder operating as serially operating internal combustion (soic) engine using safe pipe system (sps) and other integrated systems, viz., interim storage of gas (isg) and pre-disposal exhaust treatment (pdet). Sps is in the form of a chamber having a main pipeline segregated into different interconnected sgc segments allowing and disrupting the flow of substantially pure h2 and substantially pure o2 gas in cold condition through the main pipeline; on receipt of command.

Engine oil supply apparatus


An engine oil supply apparatus includes: a cylinder block; a shaft supporting member which bears a crank journal of a crank shaft in cooperation with a journal supporting wall section; and a nozzle which injects oil to a piston. The cylinder block includes a first oil supply path which extends in a cylinder bank direction at a position of one side section of the cylinder in a width direction that is perpendicular to the cylinder bank direction, a branch oil path which branches from the first oil supply path at a position of the journal supporting wall section and which supplies oil to a crank bearing section by which the crank journal is borne, and a second oil supply path which extends in the cylinder bank direction at a position further outward than the first oil supply path in the width direction and which supplies oil to the nozzle..
Mazda Motor Corporation


Plug on disconnect pcv fitting


A crankcase ventilation system for an engine that may include a control valve and a disconnect fitting disposed in a conduit between the crankcase and an intake system. The disconnect fitting may include a tube wall, where the inside of the tube wall may have a support.
Gm Global Technology Operations Llc


Crankcase integrity breach detection


Methods and systems are provided for using a crankcase vent tube pressure or flow sensor for diagnosing a location and nature of crankcase system integrity breach. The same sensor can also be used for diagnosing air filter plugging and pcv valve degradation.
Ford Global Technologies, Llc


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Lubrication system for internal combustion engine


A lubrication system for an engine is provided which includes an oil tank, a first passage communicating a bottom part of the crankcase chamber with an upper part of the oil tank, a first check valve provided in the first passage to permit a flow from the crankcase chamber to the oil tank but not in a reverse direction, a second passage communicating an upper part of the oil tank with an upper part of the crankcase chamber, a second check valve provided in the second passage to permit a flow from the oil tank to the crankcase chamber but not in a reserve direction and a third passage communicating a lower part of the oil tank with the second passage.. .
Honda Motor Co., Ltd.


Lubricating device for engine


A lubricating device for an engine is provided. A first opening part penetrates a first partition wall separating a crank chamber and an oil sump chamber.
Makita Corporation


Camshaft adjuster


A camshaft adjuster for adjusting the angle of rotation of a camshaft, including a stator which can be driven by a crankshaft of an internal combustion engine and which has a plurality of radially inwardly protruding stator lands, and a rotor having a plurality of vanes projecting radially outwards from a radially inner ring, and an annular gap which is provided between the stator and the rotor and which is divided by a plurality of stator lands into working chambers which are in turn divided by the vanes into pressure chambers acting in opposite directions, wherein the rotor is divided into at least two rotor parts in a dividing plane arranged perpendicular to an axis of rotation of the camshaft adjuster, wherein the dividing plane of the rotor intersects at least one pressure medium line, and the pressure chambers acting in a first direction are separated from the pressure chambers acting in a second direction by at least one seal between a first and a second end face of the two rotor parts is provided.. .
Schaeffler Technologies Ag & Co. Ag


Hybrid vehicles with radial engines


A radial cam engine with an optimized cam configuration can provide improve performance over crankshaft internal combustion engines. The cam configuration can include a flat-top or flat bottom piston motion, multiple lobe cam configurations, matching piston force with torque/force ratio in combustion phase, asymmetry piston motions for improved power transfer during combustion phase, and/or offset piston and cam configurations.
Thien Ton Consulting Service Company Limited




Crank topics:
  • Combustion
  • Turbo Charger
  • Lancing Device
  • Clutch Housing


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