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This page is updated frequently with new Crank-related patent applications.




 Rotary power generating apparatus and electric generating apparatus patent thumbnailRotary power generating apparatus and electric generating apparatus
Obtaining of a secure reciprocation of piston magnets and enhance the continuity to obtain a continuous rotary power. The rotary power generating apparatus has the first, second piston magnet members the first, second connecting rods the crankshaft, the first, second guide members and the first, second fixed magnet members and it has the first, second demagnetizing member including demagnetizing rotating boards respectively.

 Rotary power generating apparatus and electric generating apparatus patent thumbnailRotary power generating apparatus and electric generating apparatus
Obtaining of a secure reciprocation of piston magnets and enhance the continuity to obtain a continuous rotary power. The rotary power generating apparatus has the first, second piston magnet members, the crankshaft, the first, second guide members, and the first, second fixed magnet members and the first, second demagnetizing rotary drums respectively having the first, second demagnetizing cylindrical bodies.

 Method for operating a work apparatus having a combustion engine patent thumbnailMethod for operating a work apparatus having a combustion engine
The invention relates to a method for operating a work apparatus having a combustion engine. An ignition device is provided for triggering an ignition spark at a spark plug for igniting a fuel/air mixture in a combustion chamber of the combustion engine.
Andreas Stihl Ag & Co. Kg


 Fuel pump mounting structure for engine patent thumbnailFuel pump mounting structure for engine
In a structure for mounting, on a cylinder block, a fuel pump including a fuel pump drive shaft which is rotated by receiving a driving force of a crankshaft, and a fuel pump body which is operated as the fuel pump drive shaft is rotated for pumping fuel, the cylinder block includes a flange portion, on an end portion of the cylinder block in the crankshaft direction, projecting from a surface of the end portion along the crankshaft direction in a direction orthogonal to the crankshaft direction. The flange portion includes a bearing portion which rotatably supports the fuel pump drive shaft, and a pump accommodating hole portion which accommodates the fuel pump body.
Mazda Motor Corporation


 Internal combustion engine having structural frame patent thumbnailInternal combustion engine having structural frame
A structural frame is provided. The structural frame includes a bottom surface, first and second cylinder block sidewall engaging surfaces, the first and second cylinder block sidewall engaging surfaces positioned above the bottom surface at a height that is above a centerline of a crankshaft support included in a cylinder block when the structural frame is coupled to the cylinder block..
Ford Global Technologies, Llc


 Lubrication circuit and  forming patent thumbnailLubrication circuit and forming
An engine has a cylinder block formed by a block material and defining at least one cylinder. The block defines a lubrication circuit with fluid passages including an inlet passage, a main oil gallery, a crankshaft bearing lubrication passage, and a piston ring lubrication passage.
Ford Global Technologies, Llc


 Combined-cycle combustion control type three-cylinder engine and  controlling the same patent thumbnailCombined-cycle combustion control type three-cylinder engine and controlling the same
A combined-cycle combustion control type three-cylinder engine includes: a cylinder block; and cylinders arranged in a row in the cylinder block and consisting of first, second, and third cylinders so that four-cycle combustion is performed in two of the first, second, and third cylinders and two-cycle combustion is performed in the remaining cylinder. A crankshaft is provided in first, second, and third pistons and converting reciprocating motions of the respective first, second, and third cylinders into rotational motions.
Hyundai Motor Company


 Coolant energy and exhaust energy recovery system patent thumbnailCoolant energy and exhaust energy recovery system
The present teachings include a power generation system for recovering waste heat energy from a power plant having a coolant circuit that extends through the power plant. The coolant circuit may also include a radiator and a coolant pump configured to circulate the coolant between the internal combustion engine and the radiator.
Eaton Corporation


 Drivetrain and transmission for marine propulsion device for preventing engine ingestion of water patent thumbnailDrivetrain and transmission for marine propulsion device for preventing engine ingestion of water
A drivetrain for a marine propulsion device includes an engine driving a crankshaft in a first direction, and a driveshaft connected in torque-transmitting relationship with the crankshaft and supported for rotation about a driveshaft axis. The drivetrain further includes a propeller shaft rotatable about a propeller shaft axis.
Brunswick Corporation


 Sailing furler and method patent thumbnailSailing furler and method
A sail furler for a sail boat and method for furling a sail for reefing or storage and for unfurling a sail for use. Furling and unfurling of the sail may be accomplished from the cockpit of the sailboat.

Device for sealing and inflating inflatable objects

Devices for sealing and inflating inflatable objects, wherein the device has as a source of compressed gas a compressor unit, which is formed as a reciprocating piston compressor driven by a slider crank mechanism and has a piston moved in an oscillating manner in a cylinder, wherein the piston and the cylinder delimit a compression chamber and the cylinder is closed on the output side by a cylinder head with an outlet valve, wherein the device also has a reservoir for an automatic sealant that can be filled into the inflatable object and a valve-and-distributor unit for sealant and compressed gas, which connects the reservoir and the compressor unit and has a line that can be connected to the inflatable object, wherein the valve-and-distributor unit allows the device to be operated according to choice in the two operating modes “inflate” and “feed sealant”.. .
Continental Reifen Deutschland Gmbh

Centrifugal separator

A centrifugal separator is configured for cleaning of crankcase gases from an internal combustion engine. The centrifugal separator includes a rotor rotatably arranged inside a stationary housing.
Alfa Laval Corporate Ab

Exercise device

An exercise device includes a frame, two first swing arms, two second swing arms, two pedals, a resistance device, two cranks, two link rods, two supporting mechanisms, two rock rods, and two adjusting devices. Each first swing arm couples with the frame and has a lower end coupling with a first end of one second swing arm.
Dyaco International Inc.

Crankbait tuning device

Disclosed herein is a crankbait tuning device comprising a main lever arm comprising a first main lever arm major side, a second main lever arm major side, and a first handle portion, the first lever arm major side comprising a first interlocking portion and a main lever arm threaded portion; a torque setting knob comprising a mating threaded portion, wherein the mated threaded portion is attached to the main lever arm threaded portion in mated threaded fashion; an opposing lever arm comprising a second handle portion and a first jaw portion, the opposing lever arm pivotally attached to the main lever arm; and a movable lever arm comprising a first movable lever arm major side and a second movable lever arm major side, wherein the first movable lever arm major side comprises a second jaw portion and a second interlocking portion, wherein the movable lever arm first major side is disposed between the torque setting knob and the main lever arm and pivotally attached to the main lever arm such that the first interlocking portion is contacted with and engaged with the second interlocking portion.. .
Gierke Innovations Llc

Rotary power generating apparatus and electric generating apparatus

Obtaining of a secure reciprocation of piston magnets and enhance the continuity to obtain a continuous rotary power. The rotary power generating apparatus has the first, second piston magnet members the first, second connecting rods the crankshaft the first, second guide members and the first, second fixed magnet members and it has the demagnetizing member including the demagnetizing rotating board.

Vehicle having engine unit

An engine unit of a motorcycle has a crankcase and an overlying cylinder block. The crankcase has a magnet cover positioned outward of the cylinder block in the vehicle width direction as seen in the front-rear direction.
Suzuki Motor Corporation

Torsional damper with independently rotating inertia masses and crankshaft to which the torsional damper with independently rotating inertia masses is applied

A torsional damper with independently rotating inertia masses, wherein an inner inertia ring is located at an inner diameter portion of an outer inertia ring in an internal chamber defined by coupling of a case, so that the inner and outer inertia rings form a dual concentric circle, through which an axial hole is formed to a cover, the inner inertia ring is moved relative to rotation of the case, and then the outer inertia ring is moved relative thereto.. .
Hyundai Motor Company

Bearing and scroll-type fluid machine

Bearing 11 has base material 110 and coating layer 111. Base material 110 contains crank shaft 13 on an inner circumferential surface side.
Taiho Kogyo Co., Ltd.

Sliding arrangement and producing the sliding arrangement, in particular for a cylinder liner

A sliding arrangement has a main body, in particular a crankcase, made from an aluminum material, and a coating which is applied to the main body by way of thermal spraying as a sliding surface, in particular as a cylinder liner. The sliding surface has a first phase consisting of a first material and a second phase consisting of a second material.
Bayerische Motoren Werke Aktiengesellschaft

Device for determining abnormality in engine system

An estimation unit calculates an estimated value of oxygen concentration in an exhaust passage on the basis of a target injection amount of a fuel injection valve and an air intake amount of an engine. A first determination unit determines the relationship of a detected value to the estimated value of the oxygen concentration, in both a fuel-injecting state and a non-fuel-injecting state.
Hino Motors, Ltd.

Device, method, and system for emissions control

Various embodiments for an exhaust gas treatment device for a vehicle system are provided. In one example, the vehicle system includes an engine with a longitudinal axis, where a crankshaft of the engine is parallel to the longitudinal axis and an exhaust gas treatment device mounted on the engine, vertically above the engine such that a longitudinal axis of the exhaust gas treatment device is aligned in parallel with the longitudinal axis of the engine, the exhaust gas treatment device configured to receive exhaust gas from an exhaust manifold of the engine..
General Electric Company

Four-cycle ohv engine

An engine case includes bearings, an oil pump, lubricating oil passages, and a relief device. The bearings rotatably support a crankshaft and a camshaft.
Suzuki Motor Corporation

System and controlling propeller pitch

Systems and methods are disclosed for controlling the pitch angle of a propeller and rotor assembly that selectively limit the pitch angle according to a selected mode of operation. The system comprises a fine stop collar defining a primary channel, an oil transfer bearing (otb) extending across the fine stop collar, and an actuator piston engaged with a propeller blade crankshaft to vary propeller blade pitch, wherein the annular piston is positioned about the otb in fluid communication with the primary channel..
General Electric Company

Servo press machine, motor using servo press machine, and assembling and detaching motor

Provided is a servo press machine having a configuration that allows miniaturization of the servo press machine, and a motor using the same. A servo press machine includes a servomotor, a crankshaft rotated by driving of the servomotor, a connecting rod connected to an eccentric portion of the crankshaft, and a slide connected to the connecting rod, wherein two connecting rods are connected to the crankshaft, the servomotor is an axial gap motor, a rotor of the axial gap motor is assembled with the crankshaft between the two connecting rods, and a stator of the axial gap motor is fixed to a crown in which the crankshaft is housed..
Aida Engineering, Ltd.

Apparatus, power measurement

A power measurement device, which may be mounted to an inside area of a crank arm, includes processing circuitry within a housing. The processing circuitry is coupled with strain gauges mounted on the crank arm, and produces a power value that is wireless transmitted to a separate display that may receive and display power measurements.
Foundation Fitness, Llc

Spinning reel

A spinning reel includes a main shaft, a crank for driving the main shaft to rotate, a spool shaft, a cam mechanism configured to translate rotation of the main shaft into linear reciprocating motion of the spool shaft, a tubular worm, a rotor coupled to the tubular worm to rotate therewith, a spool coupled to the spool shaft to move therewith, and a speed variation means which includes an output wheel for driving the tubular worm to rotate, a sun planetary gear system coupling the main shaft to the output wheel, and a coupler. The coupler is shiftable between a first position, where the output wheel and the main shaft are rotated at different speeds, and a second position, where the output wheel and the main shaft are rotated at the same speed..
Haibao Fishing Tackle Co., Ltd.

Magnetic radial engine

A magnetic radial engine which may comprise a crankshaft assembly, wherein the crankshaft assembly further comprises an output crankshaft assembly and a peripheral crankshaft assembly and a piston assembly, wherein the piston assembly may be connected to the crankshaft assembly and the output crankshaft assembly. Further, comprising an engine ring assembly, an oil system, and a cover, wherein the cover houses the crankshaft assembly, piston assembly, and the oil system..

Vehicle-mounted detecting device for a bicycle

A vehicle-mounted detecting device for a bicycle comprises a force sensing base, a strain touch member for detecting the direction and magnitude of force, and a sensor contacted with the sensor. The detecting device is assembled to a crank and a pedal shaft of the bicycle in a manner of external hanging.

Torsional vibration dampers having a hub with spokes acting as a second spring in series with an elastomeric member

Torsional vibration dampers for rotating shafts are disclosed that have a hub or a hub portion of a pulley-hub monolithic body that has an innermost sleeve defining a bore, an outermost ring concentric with and spaced radially outward from the innermost sleeve, and a plurality of spokes connecting the innermost sleeve to the outermost ring that each have torsional flexibility to act as a first spring to attenuate torsional vibrations. The dampers include an elastomeric member positioned concentrically against the outermost ring or the innermost sleeve of the hub, where the elastomeric member acts as a second spring to attenuate torsional vibrations, and an inertia member positioned concentrically against the elastomeric member, which places the first spring and second spring in series.
Dayco Ip Holdings, Llc

Thrust bearing and bearing device for crankshaft of internal combustion engine

The invention provides a thrust bearing, including a pair of half thrust bearings. Each half thrust bearing includes a bearing alloy layer and a resin slide layer, or a back metal layer, a bearing alloy layer and a resin slide layer.
Daido Metal Company Ltd.

Bearing device for crankshaft of internal combustion engine

The invention provides a bearing device, including a crankshaft, a pair of half bearings each having crush reliefs adjacent to both circumferential ends thereof, a bearing housing having a retaining hole, and one half thrust bearing arranged adjacent to the retaining hole. Each half thrust bearing is configured at least by a bearing alloy layer and a resin slide layer which constitutes a slide surface receiving an axial force of the crankshaft, and thrust reliefs adjacent to both circumferential end portions of the sliding surface so that its wall thickness is made thinner toward the circumferential end surface.
Daido Metal Company Ltd.

Lightweight compressor crankcase assembly and method

A compressor crankcase assembly is provided for an air compressor. In one example, a compressor crankcase assembly includes a crankcase made of a material comprising at least 50% by weight aluminum and a crankcase liner disposed within the crankcase.
Bendix Commercial Vehicle Systems Llc

Access pump casing

A new pump design is described. The pump features a casing with a continuous enclosure extending from a power end of the casing to a fluid end of the casing for housing the reciprocating assembly of the pump, which includes a crankshaft, a plurality of control rods coupled to the crankshaft, and a plurality of crossheads coupled to the control rods.
Tsc Manufacturing And Supply, Llc

Cooling system for air-cooled engine

An air-cooled internal combustion engine including a crankshaft, a cylinder, a blower assembly including a blower housing and a fan, and a static cover. The static cover includes a main body that is aligned with the crankshaft, an arm that extends from the main body and is aligned with the cylinder, and a plurality of air intake openings.
Briggs & Stratton Corporation

Control device for internal combustion engine

A control device for an internal combustion engine capable of performing additional injection in addition to regular injection includes an electronic control unit. The electronic control unit is configured to calculate an ignition timing at a predetermined crank angle before a compression top dead center.
Toyota Jidosha Kabushiki Kaisha

Controlling engine

A controlling apparatus for an engine, includes: an auto-ignition index calculating unit that is configured to calculate, based on a cylinder temperature and a cylinder pressure in a combustion chamber, an auto-ignition index which indicates easiness of occurrence of auto-ignition of fuel at a crank angle before an ignition timing in a compression stroke; a first correction coefficient calculating unit that is configured to calculate, based on an amount of fuel adhering to a wall surface of the combustion chamber at the crank angle, a wall-adhering fuel correction coefficient for correcting the auto-ignition index; and a low-speed pre-ignition predicting unit that is configured to predict, based on the auto-ignition index and the wall-adhering fuel correction coefficient, occurrence of low-speed pre-ignition.. .
Mitsubishi Jidosha Kogyo Kabushiki Kaisha

Determining the amount of energy released in a cylinder of an internal combustion engine by evaluating tooth timings of a sensor disc that is connected to a crankshaft

A method for determining an amount of energy released in the working cycle of an internal combustion engine cylinder includes: (a) recording a time curve of the rotational speed of the engine crankshaft using tooth timings measured using a toothed sensor disc, (b) assigning each tooth timing to a working cycle of a selected cylinder, (c) determining a cylinder-specific average value from the tooth timings assigned to the selected cylinder, (d) determining cylinder-specific tooth timing deviations from the determined cylinder-specific average value, for the tooth timings assigned to each working cycle of the selected cylinder, (e) determining a cylinder-specific characteristic tooth timing by summing the determined tooth timing deviations, and (f) specifying the amount of energy released in the working cycle of the selected cylinder as a function of the determined cylinder-specific characteristic tooth timing, the amount of energy released being indirectly proportional to the determined cylinder-specific characteristic tooth timing.. .
Continental Automotive Gmbh

Sensing unit providing fixed arrangement of engine position sensors

A sensing unit that provides fixed arrangement of crankshaft and camshaft position sensors is disclosed. The sensing unit attaches to the front timing cover to replace the existing distributor so that the position of sensing unit is aligned according to the tight tolerances of the existing distributor with respect to the camshaft and crankshaft.

Method of and operating a supercharger

A method of and apparatus for operating a supercharger for an automotive engine is disclosed. The supercharger has: an input shaft for coupling to an engine crankshaft, and coupled to the rotor of a first electrical machine and a first component of an epicyclic gear train; and an output shaft connected to a compressor and a second component of the epicyclic gear train; wherein the third component of the epicyclic gear train is connected to the rotor of a second electrical machine.
Integral Powertrain Ltd

Multi-joint crank drive of an internal combustion engine, and corresponding internal combustion engine

A multi-joint crank drive of an internal combustion engine includes at least one coupling member rotataby supported on a crankpin of a crankshaft for rotation about a coupling member rotation axis; and at least one connecting rod supported on a crankpin of an eccentric shaft for rotation about an eccentric rotation axis, wherein the coupling member is connected with a piston rod of a piston of the internal combustion engine for pivoting about a piston rod rotation axis and with the connecting rod for rotation about a connecting rod rotation axis, said coupling member having a bearing eye receiving the crankpin of the crankshaft, wherein a coupling angle between an imagined straight line though the coupling member rotation axis and the connecting rod rotation axis and an imagined straight line through the coupling member ration axis and the piston rod rotation axis is at least 140° and at most 180°, wherein a center point of the coupling member is arranged outside the bearing eye, and on a side of a first plane which faces the piston of the internal combustion engine, said first plane receiving the coupling member rotation axis and the connecting rod rotation axis.. .
Audi Ag

Engine for outboard motor

In an exhaust passage, an exhaust manifold connected to exhaust ports of each cylinder of an engine body and formed to extend vertically is arranged in a side portion of a cylinder head. A secondary air supply system has an intake silencer, a check valve configured to permit only a flow to the exhaust passage side, a secondary air supply control valve configured to control a flow rate of the secondary air, and a secondary air supply passage configured to connect those components to each other and the exhaust passage.
Suzuki Motor Corporation

Bicycle guard and drive unit equipped with bicycle guard

A bicycle guard is provided that has a minimal number of parts required for mounting. A drive unit is provided with the bicycle guard.
Shimano Inc.

Landing gear aero skirt

A trailer with an aerodynamic skirt system for reducing drag is disclosed. The aerodynamic skirt system may include a landing gear skirt with an aperture positioned to receive a landing gear crank handle.
Wabash National, L.p.

Hybrid vehicle

A planetary gear mechanism mechanically couples an engine, a first motor generator and a drive shaft. A second inverter is configured to control power supply to the second motor generator coupled to the drive shaft, the second inverter being a multi-phase and full-bridge type inverter having an upper arm and a lower arm in each phase.
Toyota Jidosha Kabushiki Kaisha

Hybrid vehicle

A hybrid vehicle includes an engine, a first mg (motor generator), a second mg, a battery electrically connected to the first mg and the second mg, an engine ecu configured to control the engine, and a hybrid ecu (electronic control unit) configured to control the first mg and the second mg and communicate with the engine ecu. When an abnormality of communication with the engine ecu is not found and a history of an abnormality of the engine main body is not found and electric power generated by the first mg during cranking of the engine is lower than electric power receivable by the battery during md (motor drive) running (fail-safe running) in which the engine is stopped, the hybrid ecu achieves recovery to normal running in which actuation of the engine is permitted, with cranking of the engine by power generation torque of the first mg..
Toyota Jidosha Kabushiki Kaisha

Pedal path of a stepping machine

A vertical stepping machine includes a frame, a crank wheel connected to the frame, a crank wheel connected to the frame, a pedal beam having a first end and a second end, wherein the first end is in mechanical communication with the crank wheel, a pedal connected to the second end of the pedal beam, a linkage assembly connected to the frame and to the pedal beam, an arm support rotatably connected to the frame, an arm linkage connecting the arm support to the linkage assembly, and a rotary resistance mechanism positioned above the crank wheel when the vertical stepping machine is in an upright orientation. The pedal beam moves in an elliptical path when the crank wheel rotates and the elliptical path has a vertical major axis and a horizontal minor axis when the vertical stepping machine is in an upright position..
Icon Health & Fitness, Inc.

Pedal path of a stepping machine

A vertical stepping machine includes a frame, a crank wheel connected to the frame, a crank arm extending away from a rotational axis of the crank wheel, and a pedal beam connected to the crank arm. A linkage assembly is connected to the frame at a fixed frame location and to the pedal beam at a fixed pedal beam location.
Icon Health & Fitness, Inc.

Adjustable seat occupant support assembly

An adjustable seat occupant assembly for a vehicle seat including an elongate beam spring with an inline slider mechanism at its proximal end that displaces an beam spring flexor, e.g., elongate strap or link, operatively connected to a distal end of the spring to change the amount of flexure and prominence during adjustment to adjust support. In one embodiment, the mechanism is an inline slider crank mechanism carried by a drive carriage extending from the proximal end that rotates a crank when a knob is turned reciprocating the flexor between a fully retracted position where flexure is maximum and a fully extended position flexure is minimum.
Milsco Manufactoring Company, A Unit Of Jason Incorporated

Cryocooler

A cryocooler includes a displacer, a cylinder in which the displacer is accommodated, a scotch yoke mechanism which drives the displacer, and a housing in which the scotch yoke mechanism is accommodated. The scotch yoke mechanism includes a crank, a yoke plate, a second drive shaft, and a first drive shaft.
Sumitomo Heavy Industries, Ltd.

Pump system and starting pump

A pump system positionable at a surface of a well site for downhole operations includes a pump assembly haying a pump and a starting assist. The pump includes a crankshaft and is operable by a first motor.
Baker Hughes Incorporated

Controller for internal combustion engine

A pcv valve that ventilates a crankcase is provided. A three-way catalyst and a nox storage/reduction catalyst are provided in an exhaust passage.
Toyota Jidosha Kabushiki Kaisha

Valve timing control apparatus and manufacturing method thereof

A sprocket plate, which is rotated synchronously with a crankshaft, includes a tapered hole portion. A shoe housing, which stops rotation of an inner rotor, includes a press fitting hole portion, which extends straight and into which a positioning member is press fitted.
Denso Corporation



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


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