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Crank patents

This page is updated frequently with new Crank-related patent applications. Subscribe to the Crank RSS feed to automatically get the update: related Crank RSS feeds. RSS updates for this page: Crank RSS RSS

Dual-directions braking method of disc brake, braking mechanism and application thereof

Dual-directions braking method of disc brake, braking mechanism and application thereof

Crank-drive with bearings having micro -ramp structures of asymmetric form

Thyssenkrupp Metalurgica Campo Limpo Ltda.

Crank-drive with bearings having micro -ramp structures of asymmetric form

Crank-drive with bearings having micro -ramp structures of asymmetric form

Robert Bosch

Method for operating an internal combustion engine having intake manifold

Date/App# patent app List of recent Crank-related patents
 Directional control valve for fluid and device for in-situ reconstitution and administering patent thumbnailDirectional control valve for fluid and device for in-situ reconstitution and administering
A directional control valve for fluid comprising an axial chamber connected to first and second radial inlet/outlet ports and to a radial outlet port for administering said solution, a rotary crank pin housed in said chamber and through which there pass connecting ducts which are connected to axial third and fourth inlet/outlet ports intended to be connected to said second reservoir, said connecting ducts being designed to connect said first, second, third, fourth inlet/outlet ports and said administering port selectively and fluidically according to the angular position of said crank pin with respect to said body.. .

 Dual-directions braking  disc brake, braking mechanism and application thereof patent thumbnailDual-directions braking disc brake, braking mechanism and application thereof
A dual-directions braking method of a disc brake, a braking mechanism and applications thereof are applied in fields of automobiles, trains and aircrafts. The dual-directions braking mechanism includes a crankshaft having three concentric sections and two eccentric sections, two friction discs, a friction disc ring and at least a pair of brake calipers and friction pads, wherein the two eccentric sections are respectively provided between each neighboring two of the three concentric sections and mutually disposed at 180°; the two friction discs are respectively provided on the two eccentric sections; the friction disc ring is provided on the main section between the two eccentric sections.

 Crank-drive with bearings having micro -ramp structures of asymmetric form patent thumbnailCrank-drive with bearings having micro -ramp structures of asymmetric form
The present invention relates to a crank-drive with a crank-shaft, at least one connecting rod and at least one piston, in particular a crank-drive of an internal combustion engine, whereas the crank-shaft features at least one radial bearing (13) for supporting the crank-shaft in a crank-housing, at least one radial bearing for connecting the connecting rod to the crank-shaft, and the connection of the connecting rod to the piston features at least one radial bearing and whereas the bearings feature a bearing inner surface and/or a bearing outer surface. According to the invention in at least one of the bearing surfaces are arranged micro-ramp structures with an asymmetric form having a first concave section between the bearing surface and a bottom point of the micro-ramp structure and a second concave section between the bottom point and the bearing surface, whereas between the micro-ramp structures are arranged sections of the bearing surface..
Thyssenkrupp Metalurgica Campo Limpo Ltda.

 Method for operating an internal combustion engine having intake manifold patent thumbnailMethod for operating an internal combustion engine having intake manifold
In an internal combustion engine having manifold injection, each cylinder is assigned at least one first injection device and one second injection device. The first injection device is at least intermittently actuated at a different crank angle than the second injection device..
Robert Bosch Gmbh

 Connecting rod and internal combustion engine patent thumbnailConnecting rod and internal combustion engine
A connecting rod (10) has a big end bearing eye (11) for connection to a crankshaft, a small end bearing eye (12) for connection to a piston of a cylinder, and an eccentric adjustment device (13) for adjusting an effective connecting rod length. The eccentric adjustment device (13) has an eccentric (36) that interacts with an eccentric lever (14), and eccentric rods (15, 16) that the eccentric lever (14).
Dr. Ing. H.c. F. Porsche Aktiengesellschaft

 Rotary valve internal combustion engine patent thumbnailRotary valve internal combustion engine
A rotary valve internal combustion engine has a piston (1) connected to a crankshaft (3) and reciprocatable in a cylinder (2), a combustion chamber 4 being defined in part by the piston. The engine has a rotary valve (5) rotatable with a close sliding fit in a valve housing (8) fixed relative to the cylinder (2), the rotary valve having a valve body containing a volume (9) defining, in part, the combustion chamber 4 and further having in a wall part (11) thereof a port (1)2 giving, during rotation of the valve, fluid communication successively to and from the combustion chamber via inlet and exhaust ports (13), (14) in the valve housing.
Rcv Engines Limited

 Bicycle pedal mechanism patent thumbnailBicycle pedal mechanism
A pedal assembly mountable on a bicycle crank arm associated with a bicycle drive assembly; the pedal assembly comprising: a pedal which is operably connected to a retaining member; the retaining member including a first end and a second end and on one side a spigot which engages the crank arm to enable support of the pedal assembly by the crank arm; the pedal including a first connection which engages the first end of the retaining member and a—second connection which engages the second end of the retaining member, wherein the first and second connections allow the pedal to move relative to the retaining arm during rotation of the crank arm.. .

 Electric vehicle patent thumbnailElectric vehicle
An electric vehicle may include at least one motor configured to transmit a drive output. A motor-generator unit may be configured to supply the at least one motor with electrical power.
Mahle International Gmbh

 Electronic device, mobile terminal connection control method, and power control program patent thumbnailElectronic device, mobile terminal connection control method, and power control program
A power control program (mobile terminal connection program) 300 is configured to include a mobile terminal connection unit 302 which connects a plurality of mobile terminals 20 and enables charging of power supplied from a battery, a usage state monitoring unit 304 which monitors usage states of the connected mobile terminals 20, a cranking detection unit 306 which detects cranking based on the voltage supplied from the battery, and a control unit 308 which controls power supply of the mobile terminal connection unit 302 based on monitoring information of the usage state monitoring unit 304 when the cranking is detected.. .
Alpine Electronics, Inc.

 Elliptical exercise machine patent thumbnailElliptical exercise machine
An elliptical exercise machine includes a frame, an impedance unit, two linkage units and a stride-adjusting unit. The impedance unit includes a flywheel supported on the frame and two cranks connected to the flywheel.
Dk City Corporation


Variable suction device for an a/c compressor to improve nvh by varying the suction inlet flow area

A variable displacement compressor for an air conditioning system includes a suction throttle valve. The suction throttle valve includes a housing with a cavity formed therein.
Halla Visteon Climate Control Corp.


Engine system having torsional coupling with thin web flywheel

An engine system includes an internal combustion engine, a driven unit, and a torsional coupling between a crankshaft of the engine and a driveshaft of the driven unit. The torsional coupling includes a driven-side disc coupled to the driveshaft, and a flywheel having an engine-side disc coupled to the crankshaft.
Electro-motive Diesel, Inc.


Fixing device for crank sensor

A device for crank sensor includes a main body, a screw member, and an expanding member. Therein, the main body has a sensing end and a screw end, with a sensed member disposed on the sensing end and a screw hole disposed on the screw end.


Direct timing system for internal combustion engine

The object of this invention is to simplify the timing system of all types of internal combustion engine. The system eliminates existing conventional timing trains.


Actuation of trailer jacks

Apparatus for actuating a trailer jack having a carrier shaft or drive shaft with an exposed end portion includes an adapter that is connectable to the end portion of the carrier shaft or drive shaft in driving relationship and a drive member that is connectable to the adapter in driving relationship. A driving member such as a drill chuck of an electric drill can be connected to the drive member.


Top stirring implement for natural peanut butter

A lid-mounted stirring implement provides an external crank handle which drives the rotation of a central internal pin, which supports one or more distal stirring elements. By turning the handle, the user may stir and temporarily homogenize the nut butter or other contained product, while keeping the container sealed and unable to leak..


Adjustable fire pit grill

An adjustable fire pit grill device that includes an elongated central post having a first end secured within the ground in a fire pit, and a second end that extends out of the fire pit such that the central post is in a vertical orientation. The central post includes one or more channels that extend along the length of the central post.


Novel on-off transmission device for high voltage electric switch

The present invention provides a novel on-off transmission device for high voltage electric switch, comprising conducting rod and switch actuating device to actuate the reciprocating motion of the conducting rod, wherein an insulation layer is coated on the circumferential wall of the conducting rod. The present invention designs the conducting rod to be covered outside by a solid insulation layer, between the outlet terminals at both sides; one end of the insulated conducting rod is directly connected to the moving contact of the breaking element, while the other end thereof connected to the outlet terminal via a sliding conducting assembly with a slide (a flexible connection with conducting wire connected can also be used).
Xuchang Yongxin Electric Corporation Limited


Torque measuring device for electromotive chainless bicycles

A torque measuring device for an electromotive chainless bicycle is provided. The bicycle comprises a power transfer shaft between the crank device and a passive gear of a hub of a rear wheel, a motor for providing auxiliary power, and a torque measuring device for measuring output torque of the motor.


Well service pump system

A well service pump system supplies high pressure working fluid to a well. The pump system is a linear design which incorporates a diesel engine, a hydraulic drive gear box, open loop hydraulic pumps, hydraulic ram cylinders, controls for the hydraulic system hydraulic cylinders, working fluid end cylinders and a coupling to connect the hydraulic cylinders and the working fluid ends.


Boot seal for variable compression ratio engine

Provided is a boot seal for a variable compression ratio engine having an inner layer free from tears or creases. The boot seal comprises a boot body having a cylinder-attaching part, a crankcase-attaching part and a connecting part for connecting these parts, and a rigid plate disposed in at least one of the cylinder-attaching part and the crankcase-attaching part and having a through hole.
Toyota Jidosha Kabushiki Kaisha


Piston pin unload for oil film renewal

In a reciprocating engine piston, added equipment to renew the piston pin's oil film once per crankshaft rotation. The equipment is located between the connecting rod's small end and the underside of the piston crown.


Apparatus, system, and biomass fractioning

A crank shaft driven biomass fractionator system, apparatus and method are described for inputting ground biomass and outputting several vapor streams of bio-intermediate compounds associated with bio-oil and bio-vapors along with biochar and optionally syngas production. A method for biomass fractioning comprises dispensing biomass into thin sheets of ground biomass; subjecting the thin sheets to temperature; and collecting various groups of compounds as they are released from the thin sheets..
Cool Planet Energy Systems, Inc.


Aircraft flap system with aileron functionality

The present disclosure pertains to an actuation mechanism for a flap with aileron functionality, including a crank having a crank axle, a crank arm and a crank pivot; a displacement shaft articulated to the crank pivot at an actuating end portion; and a rotatable linear-motion bearing in which the displacement shaft is slidably supported, wherein the displacement shaft is fixedly connectable to a flap body of the aircraft flap at a flap end portion of the displacement shaft opposite to the actuating end portion, and wherein the linear-motion bearing is rotatably attachable at a pivot point to an aircraft wing comprising the aircraft flap, so that the displacement shaft is able to rotate around an axis running spanwise of the aircraft wing around the pivot point. The present disclosure further pertains to an aircraft flap with such an actuation mechanism and an aircraft having an aircraft flap..
Airbus Operations Gmbh


Electrically assisted bicycle

An electrically assisted bicycle is provided with a so-called single-shaft motor drive unit that can satisfactorily keep torque detection capability. The outer periphery of a crankshaft 7a has a cylindrical human-power transmission member 28 having a torque sensor 31 for detecting a human driving force and a combined force member 29 that combines a human driving force and an auxiliary driving force from a motor 21.
Panasonic Intellectual Property Management Co., Ltd.


Bicycle crank assembly

A bicycle crank assembly includes a crank arm and at least one sprocket. The sprocket includes a set of regular teeth and a set of first and second teeth.
Shimano Inc.


Methods and devices to prevent fluid migration in a refrigeration system during an off cycle

Embodiments to prevent off cycle fluid migration in a refrigeration system are described. The embodiments described herein allow a fluid, such as oil from a crankcase sump of a compressor of the refrigeration system, to flow into an anti-fluid migration apparatus positioned in-line along a suction line of the refrigeration system.
Thermo King Corporation


Pulley structure and damper pulley

Disclosed are a pulley structure and a damper pulley that prevent corrosion. The pulley structure may include a hub part that is fitted on a crankshaft rotated by power from an engine and rotates with the crankshaft and a pulley part coupled with the hub part to rotate with the hub part and connected with a power transmission member.
Halla Visteon Climate Control Corp.


Structure of crankshaft for internal combustion engine

A crankshaft for an internal combustion engine can be an integrated crankshaft in which a thrust receiving surface is formed on each of crank arm parts around the root of a crankpin in an annularly protruding manner to restrict axial movement of a connecting rod. A recessed portion is formed in each of the facing surfaces of facing crank webs at a position near a corner portion continuing from the crankpin to the crank arm part, the position being so close to the crankpin that part of the thrust receiving surface is cut away..
Honda Motor Co., Ltd.


Linear cross-head bearing for stirling engine

An external combustion engine including a burner element, a heater head, a piston cylinder containing a piston, a cooler and a crankcase. The crankcase includes a crankshaft, a piston rod connected to the piston, a drive mechanism for converting the linear motion of the piston rod to rotary motion of the crankshaft and a linear cross-head bearing that is connected rigidly to the piston rod at one end and to the drive mechanism at the other end.
New Power Concepts Llc


Engine-powered work tool provided with wind governor and mechanism for increasing engine output

An engine-powered work tool includes an air-cooled engine having a crank shaft, an engine output controller, a wind governor including a governor plate, and a throttle-opening assisting mechanism. The engine output controller includes a throttle valve shaft angularly rotatable about its axis for controlling a rotation speed of the crank shaft based on the angular rotation of the throttle valve shaft.
Hitachi Koki Co., Ltd.


Engine-powered work tool provided with wind governor that performs ignition control

An engine-powered work tool includes an engine having a crank shaft, an ignition system, an output controller having a throttle valve shaft for controlling output of the engine, a wind governor connected to the throttle valve shaft, a rotation speed detector and an ignition control unit. The wind governor includes a governor plate movable upon receipt of cooling air generated by a cooling fan to control an angular rotation of the throttle valve shaft.
Hitachi Koki Co., Ltd.


Engine with supercharger

A supercharger-equipped combustion engine includes a crankshaft extending in a widthwise direction of a vehicle supported by a crankcase and a supercharger disposed above the crankcase. Power from the crankshaft is transmitted through a supercharger transmission to the supercharger.
Kawasaki Jukogyo Kabushiki Kaisha


Supercharger equipped engine

A supercharger-equipped combustion engine includes a crankcase supporting a crankshaft extending in a widthwise direction of a vehicle, and a cylinder block disposed above the crankcase. A supercharger is disposed above the crankcase and rearward of the cylinder block and driven by power of the crankshaft.
Kawasaki Jukogyo Kabushiki Kaisha


Two-stroke engine with fuel injection

In a two-stroke engine including a scavenging port (43b) having an open end (42d) opening out in a side wall of the cylinder bore (3a) and communicating with a crank chamber (2a), the open end being configured to be closed and opened by the piston (22), a fuel injection device (71) is mounted on the engine main body so as to inject fuel onto a back side of the piston and/or a part of the side wall of the cylinder bore located under the piston via the open end of the scavenging port or via the open lower end of the cylinder bore. The fuel deposited on the surfaces of the piston and the cylinder inner wall promotes the cooling of such parts..
Honda Motor Co., Ltd.


Camshaft adjuster

A camshaft adjustment device for an internal combustion engine, having a stator (1) that can be driven by a crankshaft of the internal combustion engine, having a rotor (3) that can be connected rotationally conjointly to the camshaft, having working chambers which are arranged between the stator (1) and the rotor (3) and which are divided into first and second pressure chambers (a, b) by vanes (18) assigned to the rotor (3), wherein, in the rotor (3) there are provided first pressure medium ducts (5) which issue into the first pressure chambers (a) and second pressure medium ducts (6) which issue into the second pressure chambers (b), wherein the rotor (3) has an inner ring (15) and an outer ring (14) which are connected to one another by means of a disk-shaped web (9), and the first pressure medium ducts (5) are arranged on one side of the web (9) and the second pressure medium ducts (6) are arranged on the other side of the web (9), and the first and second pressure medium ducts (5,6) are formed by pressure medium guiding sleeves.. .
Schaeffler Technologies Gmbh & Co. Kg


Variable valve actuating mechanism for ohv engine

An ohv engine comprises a first and second cam carried by a camshaft rotatably supported by a crankcase to be rotatively actuated by a crankshaft, first and second lower rocker arms pivotally supported by a lower rocker shaft adjacent to each other, and configured to be actuated by the first and second cams, respectively, a clutch member mounted on the second rocker arm in an axially slidable and rotationally fast manner, the clutch member being axially moveable between an engaged position and a disengaged position, the clutch member being provided with an engagement recess configured to receive a corresponding engagement projection of the first lower rocker arm for a joint pivotal movement of the first and second lower rocker arms when the clutch member is at the engaged position, and an actuator for causing the clutch member to move axially between the engaged position and the disengaged position.. .
Honda Motor Co., Ltd.


Bicycle suspension system

A bicycle suspension system includes a control unit, a velocity sensor, and a cadence sensor. The control unit is configured to obtain gear ratio information of a bicycle to control an operating state of a suspension of the bicycle based on the gear ratio information.
Shimano Inc.


Linear motion mixer

A linear motion mixer having a reciprocating drive assembly of the scotch yoke type, wherein the yoke assembly is mounted on first and second column bearing shafts (i.e., thomson shafts) by two or more contoured bearing shaft rollers. The way shafts of the yoke assembly are preferably mounted for rotation about their longitudinal axis so as to accommodate misalignment of the roller wheel of the crank assembly which drivingly interacts therewith.
Enersave Fluid Mixers, Inc.


Elliptical exercise device

An elliptical exercise device includes a frame supporting guide links which provide for a horizontal component of motion of associated foot support links. A mechanical coupling couples the foot support links to a crank system and intermediate links couple the crank system to the guide links such that a foot receiving area of each foot support link moves in a closed generally elliptical path when the crank system rotates..
Larry D. Miller Trust


Oblong orbital exercising machine with a motion trace that performs full body torsion and swinging

An oblong orbital exercising machine includes a main frame, an upright mounted on the main frame, a base frame mounted on the main frame, a support plate mounted on the base frame, two swinging members pivotally connected with the base frame, two primary rollers each connected with the respective swinging member and each placed on the support plate, a cycle movement mechanism mounted on the main frame, a belt wheel mounted on the upright, a belt mounted between the belt wheel and the cycle movement mechanism, two cranks mounted on the belt wheel, two driving levers each pivotally connected with the respective crank and the respective primary roller, two pedals each pivotally connected with the respective driving lever, two handles each mounted on the upright, and two driven levers each pivotally connected with the respective handle and the respective pedal.. .


Selective angular positioning of the crank of an elliptical

An exercise machine includes a frame pivotally connected to a stationary horizontal base. A first foot pedal and a second foot pedal are attached to the frame and arranged to travel along reciprocating paths.
Icon Health & Fitness, Inc.


Detachable crank and slider circuit pack ejector

A mechanism for connecting a first object, such as a chassis and/or motherboard, to a second object, such as a faceplate and/or daughterboard. A first link may be connected to the first object and a second link may be connected to the second object.
Flextronics Ap, Llc.


Method, device and smart mobile terminal for alerting against unknown incoming call

Provided are a method, device and smart phone for alerting against an unknown incoming call, and the method includes: a phone number of an incoming call is extracted; the phone number is searched for through a predefined search engine; and a page found is displayed on a display of a mobile terminal. The present disclosure can prompt a user to reject a crank call..
Zte Corporation


High power electrode materials

An lfp electrode material is provided which has improved impedance, power during cold cranking, rate capacity retention, charge transfer resistance over the current lfp based cathode materials. The electrode material comprises crystalline primary particles and secondary particles, where the primary particle is formed from a plate-shaped single-phase spheniscidite precursor and a lithium source.
A123 Systems, Llc


Microscope and shutter mechanism

A microscope according to the present technology includes a microscopic optical system, a first light-receiving element, and a shutter mechanism. The shutter mechanism includes a rotation power source that generates rotation power, a crank that converts the rotation power generated by the rotation power source into a back-and-forth movement, and a shutter connected to the crank, the shutter moving back and forth according to the crank between a first position at which a first optical path from the microscopic optical system to the first light-receiving element is blocked and a second position at which the first optical path is not blocked..



A transmission for transmitting a motive power of an engine includes a counter shaft that receives a motive power from a crank shaft of an engine, a drive shaft that is connected to the crank shaft and configured to output the motive power, a multi-stage gear train that has a plurality of unit gear trains each having a drive gear and a driven gear, a plurality of jaw clutches each of which is movably provided between adjacent ones of the unit gear trains, a plurality of shift forks each of which is coupled to a corresponding one of the plurality of jaw clutches, and a shift cam that moves the plurality of jaw clutches via the plurality of shift forks to select one unit gear train in the multi-stage gear train that is to be used to transmit the motive power from the counter shaft to the drive shaft.. .
Suzuki Motor Corporation


Eccentric oscillation gear device

Provided is an eccentric oscillation gear device including: a crank shaft having eccentric portions; oscillation gears having insertion holes into which the eccentric portions are inserted; an outer cylinder; and a carrier. The outer cylinder and the carrier concentrically rotate relative to each other by the oscillation of the oscillation gears due to the rotation of the crank shaft.
Nabtesco Corporation


Generator with vertical piston and reciprocal movement, with orientable blades and conversion of mechanical energy to electrical energy by means of a vertical solenoid device

The generator comprises a shaft, tie-rods, a head, which can rotate, a piston, a set of blades that can rotate about horizontal axis, a series of bearings, two bars, with lower racks and upper racks, a toothed ascent wheel, on an axis common to both, with cams, two connecting rods, and cranks, a series of neodymium magnets or magnets comprising a similar magnetic compound and a solenoid. The generator is suitable for operation as a wind turbine or as a water turbine..


Torque transmission mechanism

A torque transmission mechanism, for a starter for an internal combustion engine, is adapted to transmit a starting torque from a starter motor to a crankshaft. The torque transmission mechanism comprises a ring gear that transmits the starting torque and a one-way clutch disposed between the ring gear and the crankshaft, this ring gear comprising a gear side portion to which the starting torque is transmitted from the starter motor via gear mesh, and a flange extending between the gear side portion and an inner ring of the one-way clutch.
Aktiebolaget Skf


Actuator mounting structure for internal-combustion engine having variable compression ratio

An actuator mounting structure of a variable compression ratio internal combustion engine includes: a variable compression ratio mechanism arranged to vary an engine compression ratio in accordance with a rotational position of a control shaft; an actuator arranged to drivingly rotate the control shaft, the actuator being fixed on an actuator mounting portion provided to a side wall of a main body of the engine by using a plurality of fixing bolts, and a rigidity improvement section arranged to improve a mounting rigidity of the actuator to the actuator mounting portion, and which is provided within an inter-bolt distance between two bolts of the plurality of the fixing bolts, which are located on the both sides in a direction of a crank shaft.. .
Nissan Motor Co., Ltd.


Variable compression ratio device for internal combustion engine

A variable compression ratio device for an internal combustion engine includes: a connecting rod, having a small end and a large end, wherein a support hole formed at the small end is pivotally supported by a support shaft of a piston that reciprocates in a cylinder, and a support hole formed at the large end is pivotally supported by a support shaft of a crankshaft; an eccentric sleeve that is rotatably installed between the support hole of the small end or the support hole of the large end and the support shaft, and displaces a center axis of the support hole of the small end or a center axis of the support hole of the large end with respect to a center axis the support shaft; and an actuator that drives and rotates the eccentric sleeve.. .
Mitsubishi Jidosha Kogyo Kabushiki Kaisha


Turbocompound scheme, in particular in the field of industrial vehicles

An improved turbocompound system, in particular in the field of industrial vehicles. A first turbine drives a fresh air compressor.
Fpt Motorenforschung Ag


Chain-based transfer device

A transfer device is provided with variable rotation angle having an internally toothed ring gear, an externally toothed sun gear, a transmitter element and an adjustable actuation device, wherein the transmitter element comprises a circumferential engagement device arranged between the ring gear and sun gear. The actuation device comprises an activation element that can be moved along the engagement device for rotation angle adjustment.
Iwis Motorsysteme Gmbh & Co. Kg


Bicycle crank arm assembly

A bicycle crank arm including a support member. The support member includes a first end sized and shaped to receive a pedal and a second end opposite the first end.
Sram, Llc


Muscle-propelled vehicle

The present invention relates to a muscle-propelled vehicle with two or more wheels, more particularly a vehicle with front drive and steering. The vehicle of the present invention is designed to exploit the propulsive force exerted by the rider by the lower and the upper limbs, however without imposing the rotary movement of feet and hands to perform the rotary motion to be transmitted to the driving wheel.


Hybrid vehicle

An engine has a variable valve actuation device for controlling an actuation characteristic of an intake valve that is an amount of lifting the intake valve and/or a working angle on the intake valve. When the intake valve having the actuation characteristic (or lifted in an amount and/or worked by a working angle) controlled by the variable valve actuation device has the actuation characteristic (or the amount and/or the angle) fixed, intermittently operating the engine is not unconditionally stopped, and when a power storage device is not limited in chargeability and dischargeability and a cranking torque is ensured to ensure that the engine is startable, intermittently stopping the engine is permitted..
Toyota Jidosha Kabushiki Kaisha


System and device for mechanically extending and retracting landing gear of a semitrailer or a chassis

The herein described system is used for mechanically extending and retracting a semi trailer's/chassis landing gear to support, raise or lower the trailer or chassis. Such system utilizes the existing apparatus minus the manual “crank” currently attached to the shaft which, in turn, is attached to the gear reduction box assembly.
John L. Quaid Family Limited Partnership


Equilibrium training device

An equilibrium training device mainly comprises a chassis, a crank component, a pedal and a revolving inertia auxiliary roller set. When the user stands on the pedal for rotary equilibrium training, the belt and the first/second rollers of the revolving inertia auxiliary roller set are pulled together in tune with the rotation of the flywheel, so the swinging uncertainty of the pedal in revolution could be eliminated, such that the pedal could swing smoothly via the inertia of its swinging path, thus avoiding falls due to loss of equilibrium and improving greatly the security, convenience and practicability..
Shang Jia Yu Co., Ltd.


Exercise device providing automatic calculation of seat position and/or crank length

An exercise device comprises a flywheel, a seat, a driving assembly, and a calculation module. The driving assembly drives the flywheel to rotate and comprises a driving wheel, a coupling member, and two cranks respectively connecting with a pedal.
Dyaco International Inc.


Anti-tip system for a power wheelchair

An anti-tip system is provided for improving the stability of a powered vehicle, such as a powered wheelchair. The vehicle includes a drive-train assembly pivotally mounted to a main structural frame.
Pride Mobility Products Corp.


Force accumulator for an on-load tap changer

The invention relates to a force accumulator for an on-load tap changer. The force accumulator has a first gear arranged on a rotatable drive shaft.
Machinenfabrik Reinhausen Gmbh


Device for throwing targets for shooting sports, with instant projection of the target

The present invention relates to a device for throwing targets for shooting sports, with instant projection of the target. The device is characterized in that it comprises means for blocking the movement of the arm in abutment, enabling the arm, to go beyond the “zero point”, by the action of the driving means, while keeping the throwing means in tension, with these blocking means being carried by the driving means and engaging with complementary blocking means carried by the arm, and wherein the throwing arm comprises a rotating shaft, with said shaft carrying a pinion driven by a second drive pinion connected to the output pin of the driving means comprising a geared motor, with the means for blocking in abutment having a stop carried on the periphery of a crank pin rotating about the output pin of the geared motor.
Laporte Holding


Structure of power transmission apparatus

A power transmission system transmits power from an internal combustion engine to a first and a second auxiliary device through an endless transmitting member. Prior to issuing of an engine start request, the first auxiliary device is actuated to move a tensioner pulley to a given position to increase the degree of tension of the endless transmitting member.
Denso Corporation


Structuring of sliding surface portions

In order to reduce friction of a crank shaft during operation by a large amount with low complexity through structuring sliding bearing surfaces (1) of the crank shaft through controlled introduction of microscopically small indentations (27) it is proposed for the center bearings and the crank bearings to only structure highly loaded portions of the bearing surface in circumferential direction and also in axial direction since this is already difficult to achieve in view of the operating gap towards the tool that only has a size of a few μm.. .
Mag Ias Gmbh


Engine starting apparatus

In an engine starting apparatus, a starter control unit is configured to, upon command to start the engine, put a starter in a drive on state to begin cranking of the engine and then put the starter in a drive off state at a predetermined timing. The starter control unit is configured to, when acceleration is requested within a predetermined time period from the command to start the engine, keep the starter in the drive on state even after the time when the starter would be put in the drive off state without the acceleration request within the predetermined time period, and drive the starter to torque-assist the engine, thereby performing an assist mode in which both the engine) and the starter serve as drive sources for driving a vehicle..
Denso Corporation


Engine starting apparatus

An engine starting apparatus includes a starter and a starter control unit configured to control driving of the starter. The starter control unit operates a motor with a pinion engaged with a ring gear to thereby crank an engine, and de-engage the pinion from the ring gear or de-energize the motor to thereby terminate the cranking of the engine.
Denso Corporation


Internal combustion engine

An internal combustion engine includes a supercharger, an oil tank, a scavenging pump, a first passage, a second passage, and a one-way valve. The supercharger is provided in an intake passage.
Honda Motor Co., Ltd.


Multi-part crankcase and assembly method

Described is a crankcase and a method for assembling a multi-part crankcase. The method can include providing a cylinder block and a bearing tunnel upper part.
Steyr Motors Gmbh


Variable compression ratio device

Disclosed is a variable compression ratio device which changes a top dead center of a piston provided in an engine depending on a driving state of the engine. The variable compression ratio device may include: a lower piston reciprocally movable in a cylinder of the engine and connected with a connecting rod to rotate a crankshaft, an operation chamber, an upper piston disposed above the lower piston and partially inserted into the operation chamber, a push plate dividing the operation chamber into upper and lower spaces, a hydraulic pressure chamber which is the lower space, an elastic member provided in the upper space to push the push plate downward, a hydraulic pressure supply unit selectively supplying hydraulic pressure to the hydraulic pressure chamber, and a hydraulic pressure supply pathway connecting the hydraulic pressure supply unit and the hydraulic pressure chamber for supplying the hydraulic pressure..
Hyundai Motor Company


Variable valve lift diagnostic techniques using an intake manifold absolute pressure signal

A method can include receiving, at a controller for an internal combustion engine, the controller having one or more processors, an intake manifold absolute pressure (map) signal indicative of an air pressure in an intake manifold of the engine. The method can include processing, at the controller, the map signal in a crank angle domain to obtain distinct portions of the map signal corresponding to cylinders of the engine, respectively.


Combustion chamber structure for engine

The axial line of an intake valve is inclined, and a gap between a piston crown surface and a valve head of the intake valve expands in accordance with the approach of the crankshaft axis. A relationship of g2>g1 is fulfilled, where g1 stands for a minimum gap between the lower surface of the cylinder head that is positioned between the intake valve and the exhaust valve facing the intake valve, with the crankshaft axis being interposed therebetween, and the piston crown surface in a top dead center, and g2 stands for a gap at a position that is the closest to the crankshaft axis, from among the gaps between the lower surface of the valve head of the intake valve and the piston crown surface at a center timing of a valve overlap period in which the intake valve and the exhaust valve are both open..
Mazda Motor Corporation


Method for warming an internal combustion engine, and internal combustion engine

The disclosure relates to a method for expediting warm up of an internal combustion engine cylinder block and engine oil utilizing an existing oil coolant circuit. A method for warming up an internal combustion engine with at least one cylinder, a cylinder block which is formed by an upper crankcase half mounted to a lower crankcase half, said lower crankcase half containing an oil sump which is fed, via a supply line, by a coolant jacket, an inlet side of said coolant jacket supplied in turn with oil via the oil sump by an oil pump, the method comprising: releasing oil from the coolant jacket via gravity to reduce a cooling capacity of the internal combustion engine..
Ford Global Technologies, Llc


High efficiency cyclone oil separator device

An oil separation device of the having a separation chamber configured to separate micron particles of oil from crankcase gas is provided. The separation chamber has passage having a first end and a second end, the second end has a diameter smaller than the first end.
Toyota Motor Engineering & Manufacturing North America, Inc.


Valve control system for internal combustion engines and operation thereof

A valve control system for an internal combustion engine, the engine having at least one cylinder with at least one intake or exhaust valve and a piston and the valve being operable independently of the rotation of the engine crankshaft. The system is configured to generate a control signal that controls a preconditioning actuation cycle of an actuator prior to a first combustion cycle of the engine, receive a feedback signal relating to an operating condition of the actuator during the preconditioning actuation cycle, and generate a modified control signal that controls a combustion actuation cycle of the actuator, modified with reference to the feedback signal.
Camcon Auto Limited


System and monitoring and controlling snubbing slips

A system and method for monitoring and controlling a snubbing unit having traveling slips and stationary slips are provided. Position sensors are associated with the slips for directly or indirectly detecting opened and closed positions of the slips, including detecting a rotational position of a crankshaft that drives the slips into engagement with a pipe.
Snubco Manufacturing Inc.


Reel system

A reel system includes a hinged crank handle portion that turns a frame portion on an axis for winding and unwinding a coilable portion. The handle portion folds into the frame inner area, forming a flat surface on the flange, to allow for facilitated storage of a plurality of reel systems in a five gallon bucket.


Pedal propulsion device for a watercraft

A pedal propulsion device for use on a small watercraft, having a lightweight portable frame with integral foot-engagement cranks. A propeller and rudder assembly driven by the foot cranks automatically will adjust for obstacles within and below the water, while maintaining direct drive by utilizing a depth stabilizer assembly extending from the support frame..


Method and torque arbitration and shaping in a multi-mode powertrain system

A method for operating a multi-mode powertrain system includes monitoring an operator request for tractive power, and arbitrating the operator request for tractive power with axle torque constraints and crankshaft torque constraints. An immediate tractive torque request and a predicted tractive torque request are determined based upon the arbitrated operator request for tractive power.
Gm Global Technology Operations Llc


Clutch failure diagnostic dct

A clutch failure diagnostic method for a dual clutch transmission (dct), may include a synchronous clutch confirming step of confirming whether a clutch rotating in synchronization with an engine speed may be present after a cranking of an engine, when the clutch rotating in the synchronization with the engine speed may be determined to be present, a gear joining attempting step of attempting to join shift gears connected to the clutch rotating in the synchronization with the engine speed, and a failure determining step of determining that a corresponding clutch fails when the gears may be not joined, as a performance result of the gear joining attempting step.. .
Kia Motors Corp.


All terrain vehicle

An all-terrain vehicle including a frame having longitudinally-spaced ends defining a first longitudinal axis, and an engine supported by the frame. The engine includes a crankshaft defining a second longitudinal axis substantially parallel to the first longitudinal axis..
Polaris Industries Inc.


Apparatus and repair and renovation of crankshaft journal surfaces in-situ by means of laser cladding

The invention refers to manufacturing engineering, in particular to shipbuilding and ship repair. Said invention applies to internal combustion engines, such as marine diesel engines.


Cutter assembly for an agricultural harvester

An improved cutter assembly for use with a header of an agricultural harvester is provided. The assembly includes a pair of oppositely directed knife blades or cutter bars and a center knife drive.
Cnh America Llc


Scroll pump having axially compliant spring element

A scroll pump includes a frame, a stationary plate scroll, an orbiting plate scroll, a tip seal(s), an eccentric drive mechanism which drives the orbiting plate scroll, and an axial compliance system. The eccentric drive mechanism includes a crankshaft, and bearings and a counterbalance disposed on the crankshaft.
Agilent Technologies, Inc.


Planetary rotor machine with synchronizing mechanism

Various examples of planetary rotor machines and synchronizing mechanisms are provided. In one example, a planetary rotor machine comprises a plurality of helical rotors for compressing or expanding a fluid.
Helidyne Llc


Blowby gas ventilation system for supercharger-equipped internal combustion engine

A blowby gas ventilation system for a supercharger-equipped internal combustion engine, which discharges blowby gas from a crankcase into intake air, includes a positive crankcase ventilation passage through which the blowby gas is delivered from the crankcase to an intake passage. The positive crankcase ventilation passage branches, in an intermediate location in the positive crankcase ventilation passage, into a first path that is used during natural aspiration of the internal combustion engine and a second path that is used during supercharging of the internal combustion engine, and a part of the positive crankcase ventilation passage, which includes a branching portion between the first path and the second path, is formed integrally with a cylinder head of the internal combustion engine..
Toyota Jidosha Kabushiki Kaisha


Method and system for pre-ignition control

Methods and systems are provided for mitigating knock and/or pre-ignition. Each of a spark timing retard, cylinder enrichment, and engine load limiting is adjusted based on a knock sensor output generated in a single defined crank angle window, and not based on knock sensor output generated outside the defined crank angle window.
Ford Global Technologies, Llc


Variable compression ratio engine that varies compression ratio

A variable compression ratio engine that changes the compression ratio may include a piston disposed to be reciprocated in a cylinder by combustion, a crankshaft rotatably disposed at a predetermined distance from the piston, a crank arm with one end connected with the piston and the other end connected with the crankshaft, a connecting rod connected with the crank arm through a crankpin and with the piston through a piston pin and having an oil chamber, an eccentric cam disposed between the crankpin and the connecting rod and being off-center from the crankpin, a variable piston disposed in the oil chamber to be moved by supplied oil, and a link connecting the variable piston with the eccentric cam to rotate the eccentric cam with movement of the variable piston.. .
Hyundai Motor Company


Rolling bearing with radial pressure medium transfer

A rolling bearing (50) which includes a rolling bearing inner ring (51), a rolling bearing outer ring (52) and a rolling bearing ball cage ring (53). The aim of the invention is to enable a hydraulic pressure medium (p) to be transferred, economizing as much mounting space as possible, for example for a camshaft (10), the phase position thereof being adjustable in relation to a crankshaft via a hydraulic pressure medium (p) through a hydraulic phase adjusting device (20).
Schaeffler Technologies Gmbh & Co. Kg


Radial cylinder hydraulic machine with a distributor each cylinder

A hydraulic machine includes radial cylinders including, oscillating radial cylinders arranged in a crown or star of cylinder-piston units, the pistons of the groups are made slidable on a crankshaft or with a cam, or on interposed members concentric to it, and realizing the reciprocating motion in the oscillating cylinders. The oscillating cylinders are placed in contact with a surface of distribution concentric or corresponding to the surface of oscillation of the respective cylinder on which a distributor body is placed separate from the machine body and housed in a seat in the body, or part fixed to the body, of the hydraulic machine, and each distributor body is mobile in its seat under the action of the pressure of liquid in connection on the back surface of the distributor body against the surface of distribution of the oscillating radial cylinder subject to the distribution..
S.a.i. Societa' Apparecchiature Idrauliche S.p.a.

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

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