| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 192850010 |
Fluid pressure
| 169 |
| 192840100 |
Electric or magnetic
| 150 |
| 192085000 |
Fluid pressure
| 48 |
| 192103000 |
Speed responsive
| 33 |
| 192099000 |
Lever systems
| 24 |
| 192093000 |
Cam
| 23 |
| 192890200 |
Spring engaged
| 22 |
| 192083000 |
Multiple for same clutch
| 7 |
| 192094000 |
Screw
| 6 |
| 192098000 |
Shipper saddles | 5 |
| 20080196993 | Clutch release bearing assembly - A clutch release bearing assembly is provided that includes a housing that encloses a bearing, release sleeve and bushing. The housing defines a reservoir for grease that is supplied to the bearing and bushing. Slots are provided in the release sleeve through which grease is provided to the bushing and the input shaft through holes formed in the bushing. An end cap seal prevents contaminants from entering the clutch release bearing assembly on one end and a multi-lip seal is provided between the housing and release sleeve on the other end of the housing. | 08-21-2008 |
| 20090071790 | Release Bearing Assembly - A release bearing assembly has a roller bearing, an enclosure and a slinger. The enclosure has first and second flange portions. The slinger has a body portion sized for radial disposition within an inner diameter of the first flange portion. A lip portion extends from the body portion and defines a channel between itself and the enclosure. | 03-19-2009 |
| 20110290613 | VARIABLE SPEED TRANSMISSION CLUTCH LINKAGE - The present subject matter relates to clutch arm and release devices and methods such as for a variable speed transmission. A clutch linkage can include a control shaft pivotable about an axis, a substantially U-shaped arm connected at two points to the shaft, and a plurality of projections positioned on the arm. The arm can be moved between positions in response to rotational movement of the control shaft, and the projections can thereby engage and exert a force on a movable sleeve to move the sleeve, such as for causing a clutch bearing to move between an engaged and a disengaged position. | 12-01-2011 |
| 20150136561 | CLUTCH, IN PARTICULAR FOR A MOTOR VEHICLE - A clutch release bearing ( | 05-21-2015 |
| 20160108971 | CLUTCH RELEASE BEARING DEVICE, NOTABLY FOR MOTOR VEHICLE CLUTCHES - A clutch release bearing device including a rolling bearing having an interior race, an exterior race, at least one row of rolling elements mounted between the races, and two seals disposed radially between the interior and exterior races and on either axial side of the rolling elements is provided. The release bearing device further includes a bearing ring that bears axially on one of the races and an actuating ring bearing axially on the other race The clutch release bearing device provides at least one additional sealing member that is positioned outside the rolling bearing and bears axially against one of the interior and exterior races and cooperates with the other one of the interior and exterior races or with the bearing ring. | 04-21-2016 |
| 192082000 |
Temperature operator | 4 |
| 20090127060 | POWER UNIT FOR VEHICLE AND VEHICLE EQUIPPED WITH THE SAME - A compact power unit for a vehicle having a clutch actuator is provided. The power unit includes a clutch actuator and a drive force transmission mechanism for transmitting the drive force of the clutch actuator to the clutch. The clutch actuator and the drive force transmission mechanism are arranged within a casing of the power unit. A drive shaft of the clutch actuator extends in the vertical direction. The drive force transmission mechanism includes a worm shaft coupled to the drive shaft of the clutch actuator, a first solid of revolution including a worm wheel portion which engages the worm shaft, a second solid of revolution which engages a gear portion of the first solid of revolution, and a ball cam. The ball cam converts torque from the second solid of revolution into a force which acts in the axial direction of a slide shaft of the clutch. | 05-21-2009 |
| 20100314213 | SELECTABLE MODE CLUTCH - A clutching device includes an outer race, an inner race, a plurality of rollers and an actuator plate. The outer and inner races have axial ridges to define opposed outer and inner race pockets. The rollers are positioned in the outer and inner race pockets. The clutching device further includes an axial projection coupled for rotation with one of the inner and outer race. An actuator plate is coupled for rotation with one of the inner and outer race and axially moveable between a first position wherein the actuator plate engages the axial projection and a second position wherein the actuator plate does not engage the axial projection. | 12-16-2010 |
| 20110147160 | Proximity Sensor Enabled Mechanical Power Coupling System - Systems and components for providing or receiving a mechanical power service through a mechanical power coupling system. A mechanical power service switch is provided for selectively communicating the mechanical power service between a first mechanical power service communicating device, such as a host or other mechanical power service source and a first mechanical power service communicating device, such as a mechanical power service consumer. The mechanical power service switch is activated to transfer a mechanical power service in response to detection of a contactless proximity target associated with one of the mechanical power service communicating devices by a proximity sensor associated with the other of the mechanical power service communicating devices. | 06-23-2011 |
| 20110147161 | Mechanically Energized Mechanical Power Coupling System - A system for communicating a mechanical power service between mechanical power service communicating devices. A service switch is provided for selectively transferring the mechanical power service from a first mechanical power service communicating device, such as a host or other mechanical power service provider or source, to a second mechanical power service communicating device, such as an accessory device or other mechanical power service consumer. The service switch is activated to communicate the mechanical power service between the first mechanical power service communicating device and the second mechanical power service communicating device in response to movement of a component associated with one of the mechanical power service communicating devices. | 06-23-2011 |
| 20110303505 | VEHICLE TRANSMISSION WITH CLUTCH PACK OVERRUN - A transmission system ( | 12-15-2011 |
| 20120024657 | TORQUE TRANSMISSION ARRANGEMENT - A torque transmission arrangement including a primary shaft, a friction clutch, a housing in which the primary shaft is rotatably supported by a rolling bearing including an inner ring and an outer ring. An actuator is disposed in the housing between the friction clutch and thr rolling bearing for actuating the friction clutch. The actuator comprises a fixed support element, an adjusting element axially offset from the support element and displaceable for engaging the friction clutch, and an actuating mechanism designed for displacing the adjusting element relative to the support element in an axial adjusting direction away from the rolling bearing. The rolling bearing is designed as a tapered roller bearing, and the support element is operationally connected to the tapered roller bearing. | 02-02-2012 |
| 20120261227 | Clutch-Release Bearing Device including a Wear Ring - A rolling-contact bearing device has a central axis and includes a non-rotating ring, a rotating ring having an axial guide portion providing a raceway for rolling elements, a reinforcement portion extending radially from the guide portion, and a mounting portion disposed generally against the reinforcement portion such that the two portions form a fold providing a double thickness of material, the reinforcement and mounting portions extending obliquely with respect to the central axis, and at least one row of rolling elements disposed between the non-rotating and rotating rings. A wear ring is mounted on the mounting portion of the rotating ring, contactable with the clutch mechanism diaphragm, and is dimensioned such that a force applied through the wear ring to the mounting portion of the rotating ring is oriented toward the guide portion. | 10-18-2012 |
| 20130008760 | VEHICULAR POWER UNIT - A power unit includes, electric motors for generating driving forces for respectively engaging clutches, and a clutch cover covering outer sides of the clutches in a direction along a power shaft. The electric motors are disposed in such a manner that drive axes arranged in a longitudinal direction thereof are perpendicular to the direction along the power shaft; further, the electric motors are disposed on the periphery of the clutch cover within a width W in the direction along the power shaft. | 01-10-2013 |
| 20130098734 | CLUTCH OPERATING DEVICE - A clutch operating device includes a drive mechanism and an assist mechanism. The drive mechanism is configured to generate a driving force and transmit the driving force to a clutch device. The assist mechanism is a mechanism for assisting the drive mechanism and includes a pressure mechanism and a toggle mechanism. The pressure mechanism is configured to generate a pressing force. The toggle mechanism is configured to convert the pressing force of the pressure mechanism into an assist force gradually increased from a power blocked state to a power transmitted state of the clutch device. | 04-25-2013 |
| 20130112525 | CLUTCH OPERATING DEVICE - A clutch operating device includes a drive mechanism and a reduction mechanism. The drive mechanism generates a driving force. The reduction mechanism is a mechanism configured to amplify the driving force by reducing the driving amount to be inputted thereto from the reduction mechanism and convert the amplified driving force into an operating force of a clutch device. The reduction mechanism has a reduction ratio characteristic gradually increasing from a power blocking state to a power transmitting state of the clutch device and is allowed to adjust the reduction ratio characteristic in accordance with a state of the clutch device. | 05-09-2013 |
| 20140190786 | Clutch Engagement Mechanism - A clutch engagement mechanism is provided, including a rotational shaft coupled to a clutch plate to engage and disengage the clutch plate in a clutch assembly, an arm extending from the rotational shaft to apply a rotating force to the rotational shaft, and a rotational pulley coupled to a distal end of the arm so as to rotate about a point at the distal end of the arm, and to receive a clutch control cable that provides a rotating force to the rotational pulley and the rotational shaft. | 07-10-2014 |
| 20100163365 | CLUTCH - A clutch includes a driving member and a driven member. The driving member includes a rotatable shaft and four breaking blocks radially fixed to the rotatable shaft. Each breaking block includes a thermally deformable main body including an engaging surface, and a heating element and an engaging block formed on the engaging surface. The driven member includes a mounting surface and defines four engagement-receiving portions and a through hole in the mounting surface. The four engagement-receiving portions are positioned and shaped so as when the driving member is assembled to the driven member the four engaging blocks are correspondingly engaged with the four engagement-receiving portions. The rotatable shaft is rotatably inserted through the through hole. The heating element is configured for heating the breaking block to force it to bend the engaging blocks away from the engagement-receiving portions to disengage the clutch. | 07-01-2010 |
| 20120261228 | METHOD FOR DETERMINING WET CLUTCH TEMPERATURE - A method for determining clutch temperature. The method provides an accurate real-time clutch temperature that can be used to improve shift quality and protect against failure due to clutch overheating. A counter is incremented every time the clutch exceeds a threshold temperature to track cumulative high temperature conditions. Determining the clutch temperatures includes taking account of heat generation, clutch cooling by transmission oil flow from a groove when the clutch is engaged, clutch cooling by open transmission oil flow when the clutch is disengaged, oil vaporization, and heat conduction. | 10-18-2012 |
| 20120292155 | SHAPE MEMORY ALLOY ACTUATOR SYSTEM AND METHOD - An actuator assembly may comprise a housing, a shaft, a shape memory alloy (SMA) torque tube, and first and second unidirectional bearings. The SMA torque tube may rotate the shaft. The first unidirectional bearing may limit rotation of the shaft relative to the SMA torque tube to a first direction. The second unidirectional bearing may prevent rotation of the shaft relative to the housing along a second direction opposite the first direction. | 11-22-2012 |
| 20160146264 | THERMAL DISCONNECT ASSEMBLY WITH FLIGHT CONTROL PERMANENT MAGNET GENERATOR FOR INTEGRATED DRIVE GENERATOR - A thermal disconnect assembly for an integrated drive generator includes an input shaft, an output shaft, a eutectic solder, and a disconnect clutch. The input shaft is driven by an external mechanical source. The output shaft is coupled to the input shaft through a disconnect clutch in a coupled state, is driven by the input shaft and rotates with the input shaft in the coupled state. The eutectic solder is configured to hold the output shaft in the coupled state and melt upon reaching a threshold temperature. The disconnect clutch is configured to urge the output shaft toward a decoupled state upon melting of the eutectic solder such that the output shaft does not rotate with the input shaft in the decoupled state. | 05-26-2016 |
| 192101000 |
Releasing | 3 |
| 20090229944 | MOTORCYCLE - In a motorcycle, a cable linked with a clutch release lever is reduced in length and arranged without being bent so much. A release mechanism for a friction type clutch device is provided with a clutch release lever on a lateral surface of a crankcase that is linked with a cable connected to a clutch operational lever disposed on the left side of a steering handlebar that is turned to perform a clutch release operation. The clutch release lever includes an arm portion linked with the cable and a release rod turned together with the arm portion to press the push rod. The release rod is disposed on a left side portion of the crankcase and the arm portion is attached to project outwardly of the crankcase. The clutch release lever is turned clockwise as viewed from above a vehicle body to perform clutch release operation. | 09-17-2009 |
| 20130081921 | SPRING RING - A spring ring formed by a supporting ring, which is used as a spreading element for a multi-disc clutch is disclosed. The spring elements are formed by notches in a leg of the supporting ring. | 04-04-2013 |
| 20150345572 | DRIVING FORCE TRANSMISSION APPARATUS - A driving force transmission apparatus includes: a meshing member that switches two rotating members between a coupled state and an uncoupled state; a piston member with a plurality of locked portions formed along a circumferential direction; an armature that moves the piston member forward and backward between a first position where the armature presses the piston member in an axial direction and a second position where the armature does not press the piston member; a biasing member that biases the piston member in the opposite direction from the pressing direction of the armature; and a locking member that locks the locked portions. The piston member has a mechanism that mitigates a possible shock when the locking member comes into abutting contact with an abutting contact surface of a first locked portion. | 12-03-2015 |
| 192096000 |
Central pin | 1 |
| 20130334004 | CLUTCH OPERATING DEVICE - The present clutch operating device includes a drive motor and a speed reduction mechanism. The speed reduction mechanism includes a link bar receiving a driving force of the drive motor, a clutch lever that is rotatably coupled to a first end of the link bar while being disposed rotatably with respect to a second cover, and a main roller that is rotatably attached to a second end of the link bar while being disposed to roll on the second cover. | 12-19-2013 |
| 192890100 |
Weight operated | 1 |
| 20110226579 | CENTRIFUGALLY ASSISTED CLUTCH - A friction clutch assembly connects driving and driven shafts and has a pressure plate axially moveable between an engaged position transmitting torque from the driving shaft to the driven shaft and a disengaged position. The assembly includes levers and a plurality of centrifugal-assist weights on the levers adjacent outer ends of the levers. The centrifugal-assist weights are arranged to apply an increased force urging the pressure plate to its engaged position upon rotation of the cover and the levers. The centrifugal-assist weights are suitably configured to provided the desired amount of increased force. | 09-22-2011 |
| 192102000 |
Check of driven member | 1 |
| 20090314601 | SEPARATOR SPRING FOR CLUTCH PLATE SEPARATION AND STABILIZATION - A clutch assembly includes a plurality of reaction plates separated by one or more separator springs to maintain a distance between the reaction plates when the clutch is not activated. | 12-24-2009 |
| Entries |
| Document | Title | Date |
|---|
| 20090127060 | POWER UNIT FOR VEHICLE AND VEHICLE EQUIPPED WITH THE SAME - A compact power unit for a vehicle having a clutch actuator is provided. The power unit includes a clutch actuator and a drive force transmission mechanism for transmitting the drive force of the clutch actuator to the clutch. The clutch actuator and the drive force transmission mechanism are arranged within a casing of the power unit. A drive shaft of the clutch actuator extends in the vertical direction. The drive force transmission mechanism includes a worm shaft coupled to the drive shaft of the clutch actuator, a first solid of revolution including a worm wheel portion which engages the worm shaft, a second solid of revolution which engages a gear portion of the first solid of revolution, and a ball cam. The ball cam converts torque from the second solid of revolution into a force which acts in the axial direction of a slide shaft of the clutch. | 05-21-2009 |
| 20100314213 | SELECTABLE MODE CLUTCH - A clutching device includes an outer race, an inner race, a plurality of rollers and an actuator plate. The outer and inner races have axial ridges to define opposed outer and inner race pockets. The rollers are positioned in the outer and inner race pockets. The clutching device further includes an axial projection coupled for rotation with one of the inner and outer race. An actuator plate is coupled for rotation with one of the inner and outer race and axially moveable between a first position wherein the actuator plate engages the axial projection and a second position wherein the actuator plate does not engage the axial projection. | 12-16-2010 |
| 20110147160 | Proximity Sensor Enabled Mechanical Power Coupling System - Systems and components for providing or receiving a mechanical power service through a mechanical power coupling system. A mechanical power service switch is provided for selectively communicating the mechanical power service between a first mechanical power service communicating device, such as a host or other mechanical power service source and a first mechanical power service communicating device, such as a mechanical power service consumer. The mechanical power service switch is activated to transfer a mechanical power service in response to detection of a contactless proximity target associated with one of the mechanical power service communicating devices by a proximity sensor associated with the other of the mechanical power service communicating devices. | 06-23-2011 |
| 20110147161 | Mechanically Energized Mechanical Power Coupling System - A system for communicating a mechanical power service between mechanical power service communicating devices. A service switch is provided for selectively transferring the mechanical power service from a first mechanical power service communicating device, such as a host or other mechanical power service provider or source, to a second mechanical power service communicating device, such as an accessory device or other mechanical power service consumer. The service switch is activated to communicate the mechanical power service between the first mechanical power service communicating device and the second mechanical power service communicating device in response to movement of a component associated with one of the mechanical power service communicating devices. | 06-23-2011 |
| 20110303505 | VEHICLE TRANSMISSION WITH CLUTCH PACK OVERRUN - A transmission system ( | 12-15-2011 |
| 20120024657 | TORQUE TRANSMISSION ARRANGEMENT - A torque transmission arrangement including a primary shaft, a friction clutch, a housing in which the primary shaft is rotatably supported by a rolling bearing including an inner ring and an outer ring. An actuator is disposed in the housing between the friction clutch and thr rolling bearing for actuating the friction clutch. The actuator comprises a fixed support element, an adjusting element axially offset from the support element and displaceable for engaging the friction clutch, and an actuating mechanism designed for displacing the adjusting element relative to the support element in an axial adjusting direction away from the rolling bearing. The rolling bearing is designed as a tapered roller bearing, and the support element is operationally connected to the tapered roller bearing. | 02-02-2012 |
| 20120261227 | Clutch-Release Bearing Device including a Wear Ring - A rolling-contact bearing device has a central axis and includes a non-rotating ring, a rotating ring having an axial guide portion providing a raceway for rolling elements, a reinforcement portion extending radially from the guide portion, and a mounting portion disposed generally against the reinforcement portion such that the two portions form a fold providing a double thickness of material, the reinforcement and mounting portions extending obliquely with respect to the central axis, and at least one row of rolling elements disposed between the non-rotating and rotating rings. A wear ring is mounted on the mounting portion of the rotating ring, contactable with the clutch mechanism diaphragm, and is dimensioned such that a force applied through the wear ring to the mounting portion of the rotating ring is oriented toward the guide portion. | 10-18-2012 |
| 20130008760 | VEHICULAR POWER UNIT - A power unit includes, electric motors for generating driving forces for respectively engaging clutches, and a clutch cover covering outer sides of the clutches in a direction along a power shaft. The electric motors are disposed in such a manner that drive axes arranged in a longitudinal direction thereof are perpendicular to the direction along the power shaft; further, the electric motors are disposed on the periphery of the clutch cover within a width W in the direction along the power shaft. | 01-10-2013 |
| 20130098734 | CLUTCH OPERATING DEVICE - A clutch operating device includes a drive mechanism and an assist mechanism. The drive mechanism is configured to generate a driving force and transmit the driving force to a clutch device. The assist mechanism is a mechanism for assisting the drive mechanism and includes a pressure mechanism and a toggle mechanism. The pressure mechanism is configured to generate a pressing force. The toggle mechanism is configured to convert the pressing force of the pressure mechanism into an assist force gradually increased from a power blocked state to a power transmitted state of the clutch device. | 04-25-2013 |
| 20130112525 | CLUTCH OPERATING DEVICE - A clutch operating device includes a drive mechanism and a reduction mechanism. The drive mechanism generates a driving force. The reduction mechanism is a mechanism configured to amplify the driving force by reducing the driving amount to be inputted thereto from the reduction mechanism and convert the amplified driving force into an operating force of a clutch device. The reduction mechanism has a reduction ratio characteristic gradually increasing from a power blocking state to a power transmitting state of the clutch device and is allowed to adjust the reduction ratio characteristic in accordance with a state of the clutch device. | 05-09-2013 |
| 20140190786 | Clutch Engagement Mechanism - A clutch engagement mechanism is provided, including a rotational shaft coupled to a clutch plate to engage and disengage the clutch plate in a clutch assembly, an arm extending from the rotational shaft to apply a rotating force to the rotational shaft, and a rotational pulley coupled to a distal end of the arm so as to rotate about a point at the distal end of the arm, and to receive a clutch control cable that provides a rotating force to the rotational pulley and the rotational shaft. | 07-10-2014 |
| 20100163365 | CLUTCH - A clutch includes a driving member and a driven member. The driving member includes a rotatable shaft and four breaking blocks radially fixed to the rotatable shaft. Each breaking block includes a thermally deformable main body including an engaging surface, and a heating element and an engaging block formed on the engaging surface. The driven member includes a mounting surface and defines four engagement-receiving portions and a through hole in the mounting surface. The four engagement-receiving portions are positioned and shaped so as when the driving member is assembled to the driven member the four engaging blocks are correspondingly engaged with the four engagement-receiving portions. The rotatable shaft is rotatably inserted through the through hole. The heating element is configured for heating the breaking block to force it to bend the engaging blocks away from the engagement-receiving portions to disengage the clutch. | 07-01-2010 |
| 20120261228 | METHOD FOR DETERMINING WET CLUTCH TEMPERATURE - A method for determining clutch temperature. The method provides an accurate real-time clutch temperature that can be used to improve shift quality and protect against failure due to clutch overheating. A counter is incremented every time the clutch exceeds a threshold temperature to track cumulative high temperature conditions. Determining the clutch temperatures includes taking account of heat generation, clutch cooling by transmission oil flow from a groove when the clutch is engaged, clutch cooling by open transmission oil flow when the clutch is disengaged, oil vaporization, and heat conduction. | 10-18-2012 |
| 20120292155 | SHAPE MEMORY ALLOY ACTUATOR SYSTEM AND METHOD - An actuator assembly may comprise a housing, a shaft, a shape memory alloy (SMA) torque tube, and first and second unidirectional bearings. The SMA torque tube may rotate the shaft. The first unidirectional bearing may limit rotation of the shaft relative to the SMA torque tube to a first direction. The second unidirectional bearing may prevent rotation of the shaft relative to the housing along a second direction opposite the first direction. | 11-22-2012 |
| 20160146264 | THERMAL DISCONNECT ASSEMBLY WITH FLIGHT CONTROL PERMANENT MAGNET GENERATOR FOR INTEGRATED DRIVE GENERATOR - A thermal disconnect assembly for an integrated drive generator includes an input shaft, an output shaft, a eutectic solder, and a disconnect clutch. The input shaft is driven by an external mechanical source. The output shaft is coupled to the input shaft through a disconnect clutch in a coupled state, is driven by the input shaft and rotates with the input shaft in the coupled state. The eutectic solder is configured to hold the output shaft in the coupled state and melt upon reaching a threshold temperature. The disconnect clutch is configured to urge the output shaft toward a decoupled state upon melting of the eutectic solder such that the output shaft does not rotate with the input shaft in the decoupled state. | 05-26-2016 |
