| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 192103000 | Speed responsive | 33 |
| 20110005888 | SIZE AND WEIGHT SAVING CLUTCH DRUM OF A CENTRIFUGAL CLUTCH - The present invention provides a clutch drum ( | 01-13-2011 |
| 20120273320 | FLYWHEEL MODULE COMPRISING A CENTRIFUGAL DISENGAGING CLUTCH - A flywheel module has a closed housing with an opening, and an output which is formed by an output shaft that extends outward through the opening. A sealing ring is present between the output shaft and the boundary wall of the opening. A flywheel is accommodated in the housing, which flywheel is connected via a clutch to a first gear of a transmission whose other gear is connected to a first portion of a centrifugal disengaging clutch of which the other portion is connected to the output shaft. With this it be avoided that the flywheel starts to run at too high a speed, which guarantees the safety of the flywheel module. | 11-01-2012 |
| 20120312657 | Active Damping Tip-In Clutch Control of a Vehicle Transmission - A method for controlling an input clutch of a vehicle transmission during a tip-in includes using a current gear and rate of change of transmission input speed to determine a first torque modifier, if a peak or trough occurred in input speed, using the current gear and a difference between measured input speed and expected input speed to determine a second torque modifier, and changing a torque capacity of said clutch using said modifiers. | 12-13-2012 |
| 20130068584 | CONTROL SYSTEM FOR ROTATING SHAFT - A rotating element control system includes a rotating element rotatably disposed on a main body, a first measuring unit which measures an angular movement of the main body, a driving unit which drives the rotating element, a second measuring unit which measures a rotational speed of the rotating element, a transfer unit which connects the rotating element and the driving unit and transfers a driving force to the rotating element, a motion compensation unit which generates a compensation signal which removes an error component generated by the angular movement of the main body, and a stabilization control unit which controls the driving unit based on the compensation signal and a difference between an input signal and the rotational speed of the rotating element. | 03-21-2013 |
| 20080296118 | CLUTCH OF CONTINUOUS VARIABLE TRANSMISSION SYSTEM - An improved clutch of a continuous variable transmission system includes a gear shaft, a driven belt pulley assembly, a clutch disc and a clutch jacket. An internal driving disc sleeve is disposed at the driven belt pulley assembly and connected to the clutch disc. The clutch jacket is connected to the gear shaft through a gear shaft sleeve. When a belt drives the driven belt pulley assembly to rotate at a high speed, the internal driving disc sleeve drives the clutch disc to rotate accordingly, and each clutch pad on the clutch disc is expanded outward due to a centrifugal force and pressed against the clutch jacket to drive both clutch jacket and gear shaft to rotate. An oil seal is installed in a sleeve inside the driving disc and contacted with the internal driving disc sleeve and the gear shaft sleeve to facilitate a shift of gears. | 12-04-2008 |
| 20090242351 | Automatic Clutch Employing Expanding Friction Disk and an Adjustable Pressure Plate - An apparatus and system are disclosed for automatic centrifugal engagement of a clutch incorporating a friction disk that expands when rotated above a threshold speed. The apparatus may include a clutch basket, a clutch pack capable of coupling the clutch basket with a center clutch, a pressure plate that may be easily adjusted to create a gap between the pressure plate and the clutch pack and an expanding friction disk assembly that may take the place of one or more friction disks. The assembly expands under centrifugal force to provide automatic engagement of the clutch. A mechanism is provided to manually override the automatic engagement of the clutch with a clutch lever and with improved operational performance of the clutch lever versus previous automatic clutch systems. | 10-01-2009 |
| 20090250306 | Centrifugal Clutch - In a pendulum centrifugal clutch, a shoe is provided in a manner rotatable about a boss, and a fitting hole that rotatably fits with the boss is provided to the shoe. The fitting hole is bored on a thin portion formed by reducing a thickness of a shoe body from first and second sides of the shoe body. The thin portion is interposed between a brim provided to a first axial end of the boss and a plate brought adjacent to a second axial end of the boss. | 10-08-2009 |
| 20100163363 | Engine with centrifugal clutch - The present invention provides an engine with a centrifugal clutch which can efficiently cool and lubricate the centrifugal clutch. The engine according to the present invention supports a pair of journal portions of a crankshaft by a bearing such as a ball bearing, a roller bearing, or the like, as well as a bearing metal. There is provided first oil supplying means formed in the crankshaft. The first oil supplying means has an oil passage for the first oil supplying means which is communicated with a main oil passage through an oil hole formed in the bearing metal and extends through a fitting portion of a crankpin to reach the centrifugal clutch. | 07-01-2010 |
| 20120018276 | Centrifugal cluth with improved thermal management - A centrifugal friction clutch providing for a separation between the pressure and/or fixed plates and the friction surfaces of the clutch discs to provide for reduced heat transfer to said pressure and fixed plates, reduced risk of deformation of said plates, and improved distribution of axial forces to maintain maximum frictional engagement. Said pressure plates and fixed plates further including air impeller vanes or similar structures on their interior surface to further improve heat dissipation and reduce the risk of deformation. | 01-26-2012 |
| 20130270058 | MOTORCYCLE INCLUDING CENTRIFUGAL CLUTCH - A centrifugal clutch is disclosed. The centrifugal clutch has a first plate provided in a clutch housing, a second plate provided in a clutch boss, a pressure plate capable of being moved close to and away from the first and second plates, and a centrifugal weight arranged to push the pressure plate toward the first and second plates by receiving centrifugal force. The centrifugal clutch is arranged so that torque T transmitted between the first and second plates is temporarily reduced and then increased as an engine rotational speed is increased from a time when an engine is stopped. | 10-17-2013 |
| 20150041279 | CENTRIFUGAL ENGAGEMENT AND DISENGAGEMENT DRIVE SYSTEMS - A drive system may provide centrifugally driven clutch members into engagement and disengagement using weights between an interface of the clutch members. The weights maybe disposed in races between the clutch members. The weights may move centrifugally within the races pushing the clutch members apart during rotation of an input drive shaft. In some embodiments, two clutch members may provide the engagement and disengagement of the input drive shaft power to a drive output member and a third clutch member may be configured to engage the two cutch members during drive engagement. The third clutch member may be configured to disengage from the two clutch members as a failsafe during, for example, an overspeed condition or a jammed clutch interface. | 02-12-2015 |
| 20160017938 | CLUTCH ARRANGEMENT FOR A VEHICLE AND METHOD FOR OPERATING A VEHICLE - A clutch arrangement for a vehicle for the purpose of detachably connecting two shafts ( | 01-21-2016 |
| 20100236890 | Mechanical Clutch Having Polymer Engagement - A polymer based clutch system for using as a centrifugal clutch. The clutch includes a clutch hub configured to rotationally adhere to an engine crankshaft and a polymer clutch configured to mate with the clutch hub and having a deformity property configured to correlate to a desired RPM of the engine crankshaft. | 09-23-2010 |
| 20130020170 | CENTRIFUGAL CLUTCH APPARATUS - A centrifugal clutch apparatus can include a driving-side rotational member rotatable around a shaft member connected to a driving device; clutch devices mounted on the driving-side rotational member and movable radially-outward of the driving-side rotational member. A driven-side rotational member rotatable independent from the driving-side rotational member can be arranged for covering the driving-side rotational member and can have an inner circumferential surface to engage with the clutch devices. Friction members can be adapted to be abutted against the inner circumferential surface so as to transmit the driving power of the driving device to the driven-side rotational member. The inner circumferential surface of the driven-side rotational member can be formed with a groove and a tension member formed as a ring-shaped member can be snap-fitted into the groove and held therein under a radially-outward biasing force. | 01-24-2013 |
| 20130334005 | CLUTCH - A clutch is provided, comprising a clutch weight assembly ( | 12-19-2013 |
| 20090045027 | CLUTCH ARRANGEMENT - A clutch arrangement responsive to a speed difference including an input element and an output element that are rotatable relevant to one another, a friction clutch, and a pump. The friction clutch couples the input element with the output element in dependence on a hydraulic pressure prevails in a pressure space of the clutch arrangement. The pump has a first pump part that is rotationally fixedly connected to the input element and a second pump part that is rotationally fixedly connected to the output element. The pump may be driven by a rotary movement of the input element and the output element relative to one another, with a pressure side of the pump being connected to the pressure space. An orifice having a substantially temperature independent leakage characteristic is arranged at a leakage line that leads from the pressure space to a low pressure space and extends parallel to the pump. | 02-19-2009 |
| 20090314602 | Three Position Control Solenoid for Hydraulic Activation - A hydraulic system having a clutch assembly ( | 12-24-2009 |
| 192104000 | Fixed-speed release | 6 |
| 20110155534 | CONTROLLER OF VEHICLE DRIVE UNIT - In a controller of a vehicle drive unit that is one embodiment of the present invention, a plurality of slippage control regions (regions A to C) are set based on the timing of booming noise generation that accompanies engine driving (time from when the vehicle running state enters a region until booming noise is generated) so as to actively use, for example, regions B and C where booming noise is generated if the road load comes to a balance due to a slope or the like and running is then continued and where booming noise is not immediately generated even after the vehicle running state enters the regions, so the frequency of performing lockup slippage control is increased and the fuel saving effects of the lockup slippage control are enhanced. | 06-30-2011 |
| 20130118857 | CENTRIFUGAL UNIT AND CLUTCH - A centrifugal unit for a clutch of a motor vehicle includes a first structural component part, a second structural component part which is coupled to the first structural component part so as to be fixed with respect to rotation relative to it. The first structural component part and the second structural component part are constructed in such a way that, when a limiting rotational speed is exceeded, a distance between the first structural component part and second structural component part increases along an axial direction, and a return spring element which causes a force between the first structural component part and second structural component part in such a way that the distance between the first structural component part and second structural component part adopts a neutral value when the centrifugal unit is at a standstill. The second structural component part is constructed so as to furnish a mechanical connection to a clutch disk of the clutch for transmitting a torque. The first structural component part is formed so as to contact or be brought into contact with a pressing force-generating element of the clutch. | 05-16-2013 |
| 20130199886 | BI-DIRECTIONAL OVERRUNNING CLUTCH HAVING SPLIT ROLL CAGE - A bi-directional overrunning clutch includes a housing and a pair of hubs substantially coaxially aligned within the housing. A pair of roll cages position a plurality of rollers between each hub and an inner cam surface of the housing. The rollers are positioned to wedge between the hub and the inner cam surface when one of the hub and the housing is rotated with respect to the other. End caps are attached to the housing adjacent to the hubs. A friction disk mechanism includes a friction plate rotating in combination with each the roll cage and a spring compressed between the end cap and the roll cage for biasing the friction member into frictional contact with the hub. An intermittent coupler is located between each roll cage and configured to engage the roll cages so as to permit indexing of one roll cage relative to the other. | 08-08-2013 |
| 20090050433 | POWER TRANSFER DEVICE WITH TORQUE LIMITED PUMP - A lube pump is provided for supplying lubricant to various components of a power transmission unit of the type used in motor vehicles. The lube pump includes a pump assembly and a coupling mechanism for releaseably coupling the pump assembly to a driven shaft. The coupling is operable to release the pump assembly when the rotary speed of the shaft exceeds a threshold value. | 02-26-2009 |
| 20110005889 | DRIVE UNCOUPLER - A coupling device including a drive member that is rotatable about an axis, a driven member that is substantially aligned with the drive member and is selectively rotatable about the axis, a speed sensing member that is coupled to the drive member and is movable between a first position and a second position in response to the rotational speed of the drive member, and a clutch member that is movable between a disengaged position and an engaged position in response to movement of the speed sensing member between the first position and the second position. At least a portion of the clutch member is removable without changing the alignment between the drive member and the driven member. | 01-13-2011 |
| 20130118856 | Centrifugal De-Clutch - A mechanical mechanism is used to prevent a rotor of an aircraft from rotating when the rotor is not in use. The mechanical mechanism disengages when the speed of the rotor exceeds a speed threshold and the mechanism reengages when the speed of the rotor is below the speed threshold. | 05-16-2013 |
| 192104000 | Transversely engaged-interior | 1 |
| 20110155534 | CONTROLLER OF VEHICLE DRIVE UNIT - In a controller of a vehicle drive unit that is one embodiment of the present invention, a plurality of slippage control regions (regions A to C) are set based on the timing of booming noise generation that accompanies engine driving (time from when the vehicle running state enters a region until booming noise is generated) so as to actively use, for example, regions B and C where booming noise is generated if the road load comes to a balance due to a slope or the like and running is then continued and where booming noise is not immediately generated even after the vehicle running state enters the regions, so the frequency of performing lockup slippage control is increased and the fuel saving effects of the lockup slippage control are enhanced. | 06-30-2011 |
| 20130118857 | CENTRIFUGAL UNIT AND CLUTCH - A centrifugal unit for a clutch of a motor vehicle includes a first structural component part, a second structural component part which is coupled to the first structural component part so as to be fixed with respect to rotation relative to it. The first structural component part and the second structural component part are constructed in such a way that, when a limiting rotational speed is exceeded, a distance between the first structural component part and second structural component part increases along an axial direction, and a return spring element which causes a force between the first structural component part and second structural component part in such a way that the distance between the first structural component part and second structural component part adopts a neutral value when the centrifugal unit is at a standstill. The second structural component part is constructed so as to furnish a mechanical connection to a clutch disk of the clutch for transmitting a torque. The first structural component part is formed so as to contact or be brought into contact with a pressing force-generating element of the clutch. | 05-16-2013 |
| 20130199886 | BI-DIRECTIONAL OVERRUNNING CLUTCH HAVING SPLIT ROLL CAGE - A bi-directional overrunning clutch includes a housing and a pair of hubs substantially coaxially aligned within the housing. A pair of roll cages position a plurality of rollers between each hub and an inner cam surface of the housing. The rollers are positioned to wedge between the hub and the inner cam surface when one of the hub and the housing is rotated with respect to the other. End caps are attached to the housing adjacent to the hubs. A friction disk mechanism includes a friction plate rotating in combination with each the roll cage and a spring compressed between the end cap and the roll cage for biasing the friction member into frictional contact with the hub. An intermittent coupler is located between each roll cage and configured to engage the roll cages so as to permit indexing of one roll cage relative to the other. | 08-08-2013 |
| 20090050433 | POWER TRANSFER DEVICE WITH TORQUE LIMITED PUMP - A lube pump is provided for supplying lubricant to various components of a power transmission unit of the type used in motor vehicles. The lube pump includes a pump assembly and a coupling mechanism for releaseably coupling the pump assembly to a driven shaft. The coupling is operable to release the pump assembly when the rotary speed of the shaft exceeds a threshold value. | 02-26-2009 |
| 20110005889 | DRIVE UNCOUPLER - A coupling device including a drive member that is rotatable about an axis, a driven member that is substantially aligned with the drive member and is selectively rotatable about the axis, a speed sensing member that is coupled to the drive member and is movable between a first position and a second position in response to the rotational speed of the drive member, and a clutch member that is movable between a disengaged position and an engaged position in response to movement of the speed sensing member between the first position and the second position. At least a portion of the clutch member is removable without changing the alignment between the drive member and the driven member. | 01-13-2011 |
| 20130118856 | Centrifugal De-Clutch - A mechanical mechanism is used to prevent a rotor of an aircraft from rotating when the rotor is not in use. The mechanical mechanism disengages when the speed of the rotor exceeds a speed threshold and the mechanism reengages when the speed of the rotor is below the speed threshold. | 05-16-2013 |
| 192104000 | Transversely engaged-exterior | 2 |
| 20110155534 | CONTROLLER OF VEHICLE DRIVE UNIT - In a controller of a vehicle drive unit that is one embodiment of the present invention, a plurality of slippage control regions (regions A to C) are set based on the timing of booming noise generation that accompanies engine driving (time from when the vehicle running state enters a region until booming noise is generated) so as to actively use, for example, regions B and C where booming noise is generated if the road load comes to a balance due to a slope or the like and running is then continued and where booming noise is not immediately generated even after the vehicle running state enters the regions, so the frequency of performing lockup slippage control is increased and the fuel saving effects of the lockup slippage control are enhanced. | 06-30-2011 |
| 20130118857 | CENTRIFUGAL UNIT AND CLUTCH - A centrifugal unit for a clutch of a motor vehicle includes a first structural component part, a second structural component part which is coupled to the first structural component part so as to be fixed with respect to rotation relative to it. The first structural component part and the second structural component part are constructed in such a way that, when a limiting rotational speed is exceeded, a distance between the first structural component part and second structural component part increases along an axial direction, and a return spring element which causes a force between the first structural component part and second structural component part in such a way that the distance between the first structural component part and second structural component part adopts a neutral value when the centrifugal unit is at a standstill. The second structural component part is constructed so as to furnish a mechanical connection to a clutch disk of the clutch for transmitting a torque. The first structural component part is formed so as to contact or be brought into contact with a pressing force-generating element of the clutch. | 05-16-2013 |
| 20130199886 | BI-DIRECTIONAL OVERRUNNING CLUTCH HAVING SPLIT ROLL CAGE - A bi-directional overrunning clutch includes a housing and a pair of hubs substantially coaxially aligned within the housing. A pair of roll cages position a plurality of rollers between each hub and an inner cam surface of the housing. The rollers are positioned to wedge between the hub and the inner cam surface when one of the hub and the housing is rotated with respect to the other. End caps are attached to the housing adjacent to the hubs. A friction disk mechanism includes a friction plate rotating in combination with each the roll cage and a spring compressed between the end cap and the roll cage for biasing the friction member into frictional contact with the hub. An intermittent coupler is located between each roll cage and configured to engage the roll cages so as to permit indexing of one roll cage relative to the other. | 08-08-2013 |
| 20090050433 | POWER TRANSFER DEVICE WITH TORQUE LIMITED PUMP - A lube pump is provided for supplying lubricant to various components of a power transmission unit of the type used in motor vehicles. The lube pump includes a pump assembly and a coupling mechanism for releaseably coupling the pump assembly to a driven shaft. The coupling is operable to release the pump assembly when the rotary speed of the shaft exceeds a threshold value. | 02-26-2009 |
| 20110005889 | DRIVE UNCOUPLER - A coupling device including a drive member that is rotatable about an axis, a driven member that is substantially aligned with the drive member and is selectively rotatable about the axis, a speed sensing member that is coupled to the drive member and is movable between a first position and a second position in response to the rotational speed of the drive member, and a clutch member that is movable between a disengaged position and an engaged position in response to movement of the speed sensing member between the first position and the second position. At least a portion of the clutch member is removable without changing the alignment between the drive member and the driven member. | 01-13-2011 |
| 20130118856 | Centrifugal De-Clutch - A mechanical mechanism is used to prevent a rotor of an aircraft from rotating when the rotor is not in use. The mechanical mechanism disengages when the speed of the rotor exceeds a speed threshold and the mechanism reengages when the speed of the rotor is below the speed threshold. | 05-16-2013 |
| 192105000 | Fixed-speed engagement | 7 |
| 20080223684 | SYSTEM FOR GENERATING CONSTANT SPEED OUTPUT FROM VARIABLE SPEED INPUT - An input shaft rotates at variable rotation rates and is driven by a variable source of energy or power such as by the propeller of a wind-driven electrical generator. The input shaft is connected to a clutch which is connected to an output shaft and which is operable to rotate the output shaft at a preselected or constant rotation rate. The clutch has a first rotor which electromagnetically interacts with a second rotor to create a torque to cause the second rotor to rotate. The interaction of the first rotor and the second rotor may be varied electrically or mechanically to vary the torque and in turn the rotation rate of the second shaft. The shaft is preferably connected to a synchronous generator; and the rotation rate of the output shaft is controlled so that the generator supplies power at an essentially constant rotation rate. | 09-18-2008 |
| 20110094847 | DRIVING TOOL - A driving tool of the invention includes a motor, a flywheel that is rotationally driven by the motor, an operating member that drives a material to be driven, an operating member actuation mechanism that selectively transmits a rotating force of the flywheel to the operating member and drives the operating member. The flywheel includes a driving-side member that is rotationally driven by the motor, a driven-side member that transmits a rotating force to the operating member, and a clutch member that connects the driving-side member and the driven-side member when the rotation speed of the motor is a predetermined speed or higher, while releasing the connection between the driving-side member and the driven-side member when the rotation speed of the motor is lower than the predetermined speed. | 04-28-2011 |
| 20110180365 | Centrifugal Clutch With Expansion Ring Assembly - A centrifugal clutch for utilization with an engine of a motorcycle is disclosed herein. The centrifugal clutch includes a clutch basket, a cover plate, a hub, first clutch plates, second clutch plates and a dynamic expansion ring assembly having cam members. The dynamic expansion ring assembly imparts substantially equal expansion forces in opposite directions. A gap is present when the engine is at an idle speed and cam members are positioned radially inward, and the gap is not present when the engine is operating faster than idle and the cam members are positioned radially outward by centrifugal force. | 07-28-2011 |
| 20140054127 | Ram Air Turbine with a Speed Engaged Clutch - A ram air turbine with a turbine assembly and a power train, the turbine assembly only coupling to the entire power train upon reaching a desired rotational speed of the turbine assembly, the ram air turbine having a clutch mechanism, the engagement of which couples the turbine assembly to at least a portion of the power train, and a speed control mechanism that engages the clutch mechanism only when the turbine assembly attains at least the desired rotational speed. | 02-27-2014 |
| 20120085617 | PASSIVE MECHANICAL LAUNCH DEVICE - A device is provided that includes a torque-transmitting mechanism selectively engageable by centripetal force to transfer torque between a rotatable input member and a rotatable output member. A mass is connected for rotation with the output member and is configured to move radially outward as the output member rotates to reduce torque transfer from the input member to the output member as the speed of the output member approaches the speed of the input member. Furthermore, the mass connected for rotation with the output member may create a force that causes torque transfer between the input member and the output member when the output member rotates faster than the input member. | 04-12-2012 |
| 20120228079 | SPEED DEPENDENT CLUTCH - The present invention relates to a clutch for a laundry appliance. The clutch selectively connects a laundry vessel to a variable speed drive. A driven member is rotationally coupled to the variable speed drive and an un-driven member is rotationably coupled to the laundry vessel. The un-driven member is at least partially rotationally coupled to the driven member by friction. At least one locking element is moveable from an unlocked position to a locking position. The un-driven member and the driven member are rotationally coupled together once the un-driven member accelerates to a rotational speed above a first rotational speed, connecting the laundry vessel to the variable speed drive. | 09-13-2012 |
| 20090008208 | Centrifugal clutch - A centrifugal clutch ( | 01-08-2009 |
| 192105000 | Centrifugal (fluid or powder) nonpivoted weights (radially movably or slidable) i.e., mercury clutch | 1 |
| 20080223684 | SYSTEM FOR GENERATING CONSTANT SPEED OUTPUT FROM VARIABLE SPEED INPUT - An input shaft rotates at variable rotation rates and is driven by a variable source of energy or power such as by the propeller of a wind-driven electrical generator. The input shaft is connected to a clutch which is connected to an output shaft and which is operable to rotate the output shaft at a preselected or constant rotation rate. The clutch has a first rotor which electromagnetically interacts with a second rotor to create a torque to cause the second rotor to rotate. The interaction of the first rotor and the second rotor may be varied electrically or mechanically to vary the torque and in turn the rotation rate of the second shaft. The shaft is preferably connected to a synchronous generator; and the rotation rate of the output shaft is controlled so that the generator supplies power at an essentially constant rotation rate. | 09-18-2008 |
| 20110094847 | DRIVING TOOL - A driving tool of the invention includes a motor, a flywheel that is rotationally driven by the motor, an operating member that drives a material to be driven, an operating member actuation mechanism that selectively transmits a rotating force of the flywheel to the operating member and drives the operating member. The flywheel includes a driving-side member that is rotationally driven by the motor, a driven-side member that transmits a rotating force to the operating member, and a clutch member that connects the driving-side member and the driven-side member when the rotation speed of the motor is a predetermined speed or higher, while releasing the connection between the driving-side member and the driven-side member when the rotation speed of the motor is lower than the predetermined speed. | 04-28-2011 |
| 20110180365 | Centrifugal Clutch With Expansion Ring Assembly - A centrifugal clutch for utilization with an engine of a motorcycle is disclosed herein. The centrifugal clutch includes a clutch basket, a cover plate, a hub, first clutch plates, second clutch plates and a dynamic expansion ring assembly having cam members. The dynamic expansion ring assembly imparts substantially equal expansion forces in opposite directions. A gap is present when the engine is at an idle speed and cam members are positioned radially inward, and the gap is not present when the engine is operating faster than idle and the cam members are positioned radially outward by centrifugal force. | 07-28-2011 |
| 20140054127 | Ram Air Turbine with a Speed Engaged Clutch - A ram air turbine with a turbine assembly and a power train, the turbine assembly only coupling to the entire power train upon reaching a desired rotational speed of the turbine assembly, the ram air turbine having a clutch mechanism, the engagement of which couples the turbine assembly to at least a portion of the power train, and a speed control mechanism that engages the clutch mechanism only when the turbine assembly attains at least the desired rotational speed. | 02-27-2014 |
| 20120085617 | PASSIVE MECHANICAL LAUNCH DEVICE - A device is provided that includes a torque-transmitting mechanism selectively engageable by centripetal force to transfer torque between a rotatable input member and a rotatable output member. A mass is connected for rotation with the output member and is configured to move radially outward as the output member rotates to reduce torque transfer from the input member to the output member as the speed of the output member approaches the speed of the input member. Furthermore, the mass connected for rotation with the output member may create a force that causes torque transfer between the input member and the output member when the output member rotates faster than the input member. | 04-12-2012 |
| 20120228079 | SPEED DEPENDENT CLUTCH - The present invention relates to a clutch for a laundry appliance. The clutch selectively connects a laundry vessel to a variable speed drive. A driven member is rotationally coupled to the variable speed drive and an un-driven member is rotationably coupled to the laundry vessel. The un-driven member is at least partially rotationally coupled to the driven member by friction. At least one locking element is moveable from an unlocked position to a locking position. The un-driven member and the driven member are rotationally coupled together once the un-driven member accelerates to a rotational speed above a first rotational speed, connecting the laundry vessel to the variable speed drive. | 09-13-2012 |
| 20090008208 | Centrifugal clutch - A centrifugal clutch ( | 01-08-2009 |
| 192105000 | Transversely engaged with nonpivoted weights | 1 |
| 20080223684 | SYSTEM FOR GENERATING CONSTANT SPEED OUTPUT FROM VARIABLE SPEED INPUT - An input shaft rotates at variable rotation rates and is driven by a variable source of energy or power such as by the propeller of a wind-driven electrical generator. The input shaft is connected to a clutch which is connected to an output shaft and which is operable to rotate the output shaft at a preselected or constant rotation rate. The clutch has a first rotor which electromagnetically interacts with a second rotor to create a torque to cause the second rotor to rotate. The interaction of the first rotor and the second rotor may be varied electrically or mechanically to vary the torque and in turn the rotation rate of the second shaft. The shaft is preferably connected to a synchronous generator; and the rotation rate of the output shaft is controlled so that the generator supplies power at an essentially constant rotation rate. | 09-18-2008 |
| 20110094847 | DRIVING TOOL - A driving tool of the invention includes a motor, a flywheel that is rotationally driven by the motor, an operating member that drives a material to be driven, an operating member actuation mechanism that selectively transmits a rotating force of the flywheel to the operating member and drives the operating member. The flywheel includes a driving-side member that is rotationally driven by the motor, a driven-side member that transmits a rotating force to the operating member, and a clutch member that connects the driving-side member and the driven-side member when the rotation speed of the motor is a predetermined speed or higher, while releasing the connection between the driving-side member and the driven-side member when the rotation speed of the motor is lower than the predetermined speed. | 04-28-2011 |
| 20110180365 | Centrifugal Clutch With Expansion Ring Assembly - A centrifugal clutch for utilization with an engine of a motorcycle is disclosed herein. The centrifugal clutch includes a clutch basket, a cover plate, a hub, first clutch plates, second clutch plates and a dynamic expansion ring assembly having cam members. The dynamic expansion ring assembly imparts substantially equal expansion forces in opposite directions. A gap is present when the engine is at an idle speed and cam members are positioned radially inward, and the gap is not present when the engine is operating faster than idle and the cam members are positioned radially outward by centrifugal force. | 07-28-2011 |
| 20140054127 | Ram Air Turbine with a Speed Engaged Clutch - A ram air turbine with a turbine assembly and a power train, the turbine assembly only coupling to the entire power train upon reaching a desired rotational speed of the turbine assembly, the ram air turbine having a clutch mechanism, the engagement of which couples the turbine assembly to at least a portion of the power train, and a speed control mechanism that engages the clutch mechanism only when the turbine assembly attains at least the desired rotational speed. | 02-27-2014 |
| 20120085617 | PASSIVE MECHANICAL LAUNCH DEVICE - A device is provided that includes a torque-transmitting mechanism selectively engageable by centripetal force to transfer torque between a rotatable input member and a rotatable output member. A mass is connected for rotation with the output member and is configured to move radially outward as the output member rotates to reduce torque transfer from the input member to the output member as the speed of the output member approaches the speed of the input member. Furthermore, the mass connected for rotation with the output member may create a force that causes torque transfer between the input member and the output member when the output member rotates faster than the input member. | 04-12-2012 |
| 20120228079 | SPEED DEPENDENT CLUTCH - The present invention relates to a clutch for a laundry appliance. The clutch selectively connects a laundry vessel to a variable speed drive. A driven member is rotationally coupled to the variable speed drive and an un-driven member is rotationably coupled to the laundry vessel. The un-driven member is at least partially rotationally coupled to the driven member by friction. At least one locking element is moveable from an unlocked position to a locking position. The un-driven member and the driven member are rotationally coupled together once the un-driven member accelerates to a rotational speed above a first rotational speed, connecting the laundry vessel to the variable speed drive. | 09-13-2012 |
| 20090008208 | Centrifugal clutch - A centrifugal clutch ( | 01-08-2009 |
| 192105000 | Transversely engaged positive with nonpivoted weights | 1 |
| 20080223684 | SYSTEM FOR GENERATING CONSTANT SPEED OUTPUT FROM VARIABLE SPEED INPUT - An input shaft rotates at variable rotation rates and is driven by a variable source of energy or power such as by the propeller of a wind-driven electrical generator. The input shaft is connected to a clutch which is connected to an output shaft and which is operable to rotate the output shaft at a preselected or constant rotation rate. The clutch has a first rotor which electromagnetically interacts with a second rotor to create a torque to cause the second rotor to rotate. The interaction of the first rotor and the second rotor may be varied electrically or mechanically to vary the torque and in turn the rotation rate of the second shaft. The shaft is preferably connected to a synchronous generator; and the rotation rate of the output shaft is controlled so that the generator supplies power at an essentially constant rotation rate. | 09-18-2008 |
| 20110094847 | DRIVING TOOL - A driving tool of the invention includes a motor, a flywheel that is rotationally driven by the motor, an operating member that drives a material to be driven, an operating member actuation mechanism that selectively transmits a rotating force of the flywheel to the operating member and drives the operating member. The flywheel includes a driving-side member that is rotationally driven by the motor, a driven-side member that transmits a rotating force to the operating member, and a clutch member that connects the driving-side member and the driven-side member when the rotation speed of the motor is a predetermined speed or higher, while releasing the connection between the driving-side member and the driven-side member when the rotation speed of the motor is lower than the predetermined speed. | 04-28-2011 |
| 20110180365 | Centrifugal Clutch With Expansion Ring Assembly - A centrifugal clutch for utilization with an engine of a motorcycle is disclosed herein. The centrifugal clutch includes a clutch basket, a cover plate, a hub, first clutch plates, second clutch plates and a dynamic expansion ring assembly having cam members. The dynamic expansion ring assembly imparts substantially equal expansion forces in opposite directions. A gap is present when the engine is at an idle speed and cam members are positioned radially inward, and the gap is not present when the engine is operating faster than idle and the cam members are positioned radially outward by centrifugal force. | 07-28-2011 |
| 20140054127 | Ram Air Turbine with a Speed Engaged Clutch - A ram air turbine with a turbine assembly and a power train, the turbine assembly only coupling to the entire power train upon reaching a desired rotational speed of the turbine assembly, the ram air turbine having a clutch mechanism, the engagement of which couples the turbine assembly to at least a portion of the power train, and a speed control mechanism that engages the clutch mechanism only when the turbine assembly attains at least the desired rotational speed. | 02-27-2014 |
| 20120085617 | PASSIVE MECHANICAL LAUNCH DEVICE - A device is provided that includes a torque-transmitting mechanism selectively engageable by centripetal force to transfer torque between a rotatable input member and a rotatable output member. A mass is connected for rotation with the output member and is configured to move radially outward as the output member rotates to reduce torque transfer from the input member to the output member as the speed of the output member approaches the speed of the input member. Furthermore, the mass connected for rotation with the output member may create a force that causes torque transfer between the input member and the output member when the output member rotates faster than the input member. | 04-12-2012 |
| 20120228079 | SPEED DEPENDENT CLUTCH - The present invention relates to a clutch for a laundry appliance. The clutch selectively connects a laundry vessel to a variable speed drive. A driven member is rotationally coupled to the variable speed drive and an un-driven member is rotationably coupled to the laundry vessel. The un-driven member is at least partially rotationally coupled to the driven member by friction. At least one locking element is moveable from an unlocked position to a locking position. The un-driven member and the driven member are rotationally coupled together once the un-driven member accelerates to a rotational speed above a first rotational speed, connecting the laundry vessel to the variable speed drive. | 09-13-2012 |
| 20090008208 | Centrifugal clutch - A centrifugal clutch ( | 01-08-2009 |
| 192105000 | Axially engaged with pivoted weights | 1 |
| 20080223684 | SYSTEM FOR GENERATING CONSTANT SPEED OUTPUT FROM VARIABLE SPEED INPUT - An input shaft rotates at variable rotation rates and is driven by a variable source of energy or power such as by the propeller of a wind-driven electrical generator. The input shaft is connected to a clutch which is connected to an output shaft and which is operable to rotate the output shaft at a preselected or constant rotation rate. The clutch has a first rotor which electromagnetically interacts with a second rotor to create a torque to cause the second rotor to rotate. The interaction of the first rotor and the second rotor may be varied electrically or mechanically to vary the torque and in turn the rotation rate of the second shaft. The shaft is preferably connected to a synchronous generator; and the rotation rate of the output shaft is controlled so that the generator supplies power at an essentially constant rotation rate. | 09-18-2008 |
| 20110094847 | DRIVING TOOL - A driving tool of the invention includes a motor, a flywheel that is rotationally driven by the motor, an operating member that drives a material to be driven, an operating member actuation mechanism that selectively transmits a rotating force of the flywheel to the operating member and drives the operating member. The flywheel includes a driving-side member that is rotationally driven by the motor, a driven-side member that transmits a rotating force to the operating member, and a clutch member that connects the driving-side member and the driven-side member when the rotation speed of the motor is a predetermined speed or higher, while releasing the connection between the driving-side member and the driven-side member when the rotation speed of the motor is lower than the predetermined speed. | 04-28-2011 |
| 20110180365 | Centrifugal Clutch With Expansion Ring Assembly - A centrifugal clutch for utilization with an engine of a motorcycle is disclosed herein. The centrifugal clutch includes a clutch basket, a cover plate, a hub, first clutch plates, second clutch plates and a dynamic expansion ring assembly having cam members. The dynamic expansion ring assembly imparts substantially equal expansion forces in opposite directions. A gap is present when the engine is at an idle speed and cam members are positioned radially inward, and the gap is not present when the engine is operating faster than idle and the cam members are positioned radially outward by centrifugal force. | 07-28-2011 |
| 20140054127 | Ram Air Turbine with a Speed Engaged Clutch - A ram air turbine with a turbine assembly and a power train, the turbine assembly only coupling to the entire power train upon reaching a desired rotational speed of the turbine assembly, the ram air turbine having a clutch mechanism, the engagement of which couples the turbine assembly to at least a portion of the power train, and a speed control mechanism that engages the clutch mechanism only when the turbine assembly attains at least the desired rotational speed. | 02-27-2014 |
| 20120085617 | PASSIVE MECHANICAL LAUNCH DEVICE - A device is provided that includes a torque-transmitting mechanism selectively engageable by centripetal force to transfer torque between a rotatable input member and a rotatable output member. A mass is connected for rotation with the output member and is configured to move radially outward as the output member rotates to reduce torque transfer from the input member to the output member as the speed of the output member approaches the speed of the input member. Furthermore, the mass connected for rotation with the output member may create a force that causes torque transfer between the input member and the output member when the output member rotates faster than the input member. | 04-12-2012 |
| 20120228079 | SPEED DEPENDENT CLUTCH - The present invention relates to a clutch for a laundry appliance. The clutch selectively connects a laundry vessel to a variable speed drive. A driven member is rotationally coupled to the variable speed drive and an un-driven member is rotationably coupled to the laundry vessel. The un-driven member is at least partially rotationally coupled to the driven member by friction. At least one locking element is moveable from an unlocked position to a locking position. The un-driven member and the driven member are rotationally coupled together once the un-driven member accelerates to a rotational speed above a first rotational speed, connecting the laundry vessel to the variable speed drive. | 09-13-2012 |
| 20090008208 | Centrifugal clutch - A centrifugal clutch ( | 01-08-2009 |
| 192106000 | Release | 3 |
| 20110214963 | LOCKING CLUTCH FOR DOWNHOLE MOTOR - A locking clutch to selectively transmit torque from a stator of a downhole tool to a rotor of the downhole tool includes at least one locking pawl disposed upon the rotor, wherein the at least one locking pawl comprises a load path, at least one pivot axis, and a mass center, wherein the at least one locking pawl is biased into an engaged position by a biasing mechanism, wherein the at least one locking pawl transmits force from the stator to the rotor along the load path when in the engaged position, and wherein centrifugal force urges the at least one locking pawl into a disengaged position when the rotor is rotated above a disengagement speed. | 09-08-2011 |
| 20080202884 | Automatic transmission - An automatic transmission that includes two clutches that are provided in mutually different positions in a radial direction while overlapping each other in an axial direction. The two clutches each include a clutch drum; a piston that structures a operating oil chamber while using a part of the clutch drum as a cylinder; a plurality of friction plates that engage the clutch drum; and a cancel oil chamber that is disposed on a back face side of the piston and that cancels a centrifugal hydraulic pressure acting on the operating oil chamber. | 08-28-2008 |
| 20080223685 | CLUTCH EXHAUST ASSEMBLY AND METHOD - An assembly and method is provided for reducing clutch wear due to centrifugal apply pressure within a clutch-apply cavity. The assembly comprises a rotatable clutch housing, a clutch-apply piston disposed within a clutch-apply cavity, and a balance piston. The balance and apply pistons define a balance cavity including a liquid fill channel and a dedicated air exhaust channel having a control radius configured to at least partially offset or compensate for the centrifugal apply force generated within the clutch-apply cavity when the clutch assembly rotates. The method includes configuring the balance cavity with an exhaust channel for exhausting fluid, and providing the exhaust channel with a control radius determined by the innermost radius of rotating fluid within the balance cavity as measured with respect to the centerline of rotation of the clutch assembly, the control radius being suitable for exhausting any excess of centrifugal balance force over centrifugal apply force. | 09-18-2008 |
| 192106000 | Devices to prevent fluid clutches from being operated by centrifugal forces acting on fluid | 2 |
| 20110214963 | LOCKING CLUTCH FOR DOWNHOLE MOTOR - A locking clutch to selectively transmit torque from a stator of a downhole tool to a rotor of the downhole tool includes at least one locking pawl disposed upon the rotor, wherein the at least one locking pawl comprises a load path, at least one pivot axis, and a mass center, wherein the at least one locking pawl is biased into an engaged position by a biasing mechanism, wherein the at least one locking pawl transmits force from the stator to the rotor along the load path when in the engaged position, and wherein centrifugal force urges the at least one locking pawl into a disengaged position when the rotor is rotated above a disengagement speed. | 09-08-2011 |
| 20080202884 | Automatic transmission - An automatic transmission that includes two clutches that are provided in mutually different positions in a radial direction while overlapping each other in an axial direction. The two clutches each include a clutch drum; a piston that structures a operating oil chamber while using a part of the clutch drum as a cylinder; a plurality of friction plates that engage the clutch drum; and a cancel oil chamber that is disposed on a back face side of the piston and that cancels a centrifugal hydraulic pressure acting on the operating oil chamber. | 08-28-2008 |
| 20080223685 | CLUTCH EXHAUST ASSEMBLY AND METHOD - An assembly and method is provided for reducing clutch wear due to centrifugal apply pressure within a clutch-apply cavity. The assembly comprises a rotatable clutch housing, a clutch-apply piston disposed within a clutch-apply cavity, and a balance piston. The balance and apply pistons define a balance cavity including a liquid fill channel and a dedicated air exhaust channel having a control radius configured to at least partially offset or compensate for the centrifugal apply force generated within the clutch-apply cavity when the clutch assembly rotates. The method includes configuring the balance cavity with an exhaust channel for exhausting fluid, and providing the exhaust channel with a control radius determined by the innermost radius of rotating fluid within the balance cavity as measured with respect to the centerline of rotation of the clutch assembly, the control radius being suitable for exhausting any excess of centrifugal balance force over centrifugal apply force. | 09-18-2008 |
| 192103000 | Centrifugal operated, axially engaged | 8 |
| 20110005888 | SIZE AND WEIGHT SAVING CLUTCH DRUM OF A CENTRIFUGAL CLUTCH - The present invention provides a clutch drum ( | 01-13-2011 |
| 20120273320 | FLYWHEEL MODULE COMPRISING A CENTRIFUGAL DISENGAGING CLUTCH - A flywheel module has a closed housing with an opening, and an output which is formed by an output shaft that extends outward through the opening. A sealing ring is present between the output shaft and the boundary wall of the opening. A flywheel is accommodated in the housing, which flywheel is connected via a clutch to a first gear of a transmission whose other gear is connected to a first portion of a centrifugal disengaging clutch of which the other portion is connected to the output shaft. With this it be avoided that the flywheel starts to run at too high a speed, which guarantees the safety of the flywheel module. | 11-01-2012 |
| 20120312657 | Active Damping Tip-In Clutch Control of a Vehicle Transmission - A method for controlling an input clutch of a vehicle transmission during a tip-in includes using a current gear and rate of change of transmission input speed to determine a first torque modifier, if a peak or trough occurred in input speed, using the current gear and a difference between measured input speed and expected input speed to determine a second torque modifier, and changing a torque capacity of said clutch using said modifiers. | 12-13-2012 |
| 20130068584 | CONTROL SYSTEM FOR ROTATING SHAFT - A rotating element control system includes a rotating element rotatably disposed on a main body, a first measuring unit which measures an angular movement of the main body, a driving unit which drives the rotating element, a second measuring unit which measures a rotational speed of the rotating element, a transfer unit which connects the rotating element and the driving unit and transfers a driving force to the rotating element, a motion compensation unit which generates a compensation signal which removes an error component generated by the angular movement of the main body, and a stabilization control unit which controls the driving unit based on the compensation signal and a difference between an input signal and the rotational speed of the rotating element. | 03-21-2013 |
| 20080296118 | CLUTCH OF CONTINUOUS VARIABLE TRANSMISSION SYSTEM - An improved clutch of a continuous variable transmission system includes a gear shaft, a driven belt pulley assembly, a clutch disc and a clutch jacket. An internal driving disc sleeve is disposed at the driven belt pulley assembly and connected to the clutch disc. The clutch jacket is connected to the gear shaft through a gear shaft sleeve. When a belt drives the driven belt pulley assembly to rotate at a high speed, the internal driving disc sleeve drives the clutch disc to rotate accordingly, and each clutch pad on the clutch disc is expanded outward due to a centrifugal force and pressed against the clutch jacket to drive both clutch jacket and gear shaft to rotate. An oil seal is installed in a sleeve inside the driving disc and contacted with the internal driving disc sleeve and the gear shaft sleeve to facilitate a shift of gears. | 12-04-2008 |
| 20090242351 | Automatic Clutch Employing Expanding Friction Disk and an Adjustable Pressure Plate - An apparatus and system are disclosed for automatic centrifugal engagement of a clutch incorporating a friction disk that expands when rotated above a threshold speed. The apparatus may include a clutch basket, a clutch pack capable of coupling the clutch basket with a center clutch, a pressure plate that may be easily adjusted to create a gap between the pressure plate and the clutch pack and an expanding friction disk assembly that may take the place of one or more friction disks. The assembly expands under centrifugal force to provide automatic engagement of the clutch. A mechanism is provided to manually override the automatic engagement of the clutch with a clutch lever and with improved operational performance of the clutch lever versus previous automatic clutch systems. | 10-01-2009 |
| 20090250306 | Centrifugal Clutch - In a pendulum centrifugal clutch, a shoe is provided in a manner rotatable about a boss, and a fitting hole that rotatably fits with the boss is provided to the shoe. The fitting hole is bored on a thin portion formed by reducing a thickness of a shoe body from first and second sides of the shoe body. The thin portion is interposed between a brim provided to a first axial end of the boss and a plate brought adjacent to a second axial end of the boss. | 10-08-2009 |
| 20100163363 | Engine with centrifugal clutch - The present invention provides an engine with a centrifugal clutch which can efficiently cool and lubricate the centrifugal clutch. The engine according to the present invention supports a pair of journal portions of a crankshaft by a bearing such as a ball bearing, a roller bearing, or the like, as well as a bearing metal. There is provided first oil supplying means formed in the crankshaft. The first oil supplying means has an oil passage for the first oil supplying means which is communicated with a main oil passage through an oil hole formed in the bearing metal and extends through a fitting portion of a crankpin to reach the centrifugal clutch. | 07-01-2010 |
| 20120018276 | Centrifugal cluth with improved thermal management - A centrifugal friction clutch providing for a separation between the pressure and/or fixed plates and the friction surfaces of the clutch discs to provide for reduced heat transfer to said pressure and fixed plates, reduced risk of deformation of said plates, and improved distribution of axial forces to maintain maximum frictional engagement. Said pressure plates and fixed plates further including air impeller vanes or similar structures on their interior surface to further improve heat dissipation and reduce the risk of deformation. | 01-26-2012 |
| 20130270058 | MOTORCYCLE INCLUDING CENTRIFUGAL CLUTCH - A centrifugal clutch is disclosed. The centrifugal clutch has a first plate provided in a clutch housing, a second plate provided in a clutch boss, a pressure plate capable of being moved close to and away from the first and second plates, and a centrifugal weight arranged to push the pressure plate toward the first and second plates by receiving centrifugal force. The centrifugal clutch is arranged so that torque T transmitted between the first and second plates is temporarily reduced and then increased as an engine rotational speed is increased from a time when an engine is stopped. | 10-17-2013 |
| 20150041279 | CENTRIFUGAL ENGAGEMENT AND DISENGAGEMENT DRIVE SYSTEMS - A drive system may provide centrifugally driven clutch members into engagement and disengagement using weights between an interface of the clutch members. The weights maybe disposed in races between the clutch members. The weights may move centrifugally within the races pushing the clutch members apart during rotation of an input drive shaft. In some embodiments, two clutch members may provide the engagement and disengagement of the input drive shaft power to a drive output member and a third clutch member may be configured to engage the two cutch members during drive engagement. The third clutch member may be configured to disengage from the two clutch members as a failsafe during, for example, an overspeed condition or a jammed clutch interface. | 02-12-2015 |
| 20160017938 | CLUTCH ARRANGEMENT FOR A VEHICLE AND METHOD FOR OPERATING A VEHICLE - A clutch arrangement for a vehicle for the purpose of detachably connecting two shafts ( | 01-21-2016 |
| 20100236890 | Mechanical Clutch Having Polymer Engagement - A polymer based clutch system for using as a centrifugal clutch. The clutch includes a clutch hub configured to rotationally adhere to an engine crankshaft and a polymer clutch configured to mate with the clutch hub and having a deformity property configured to correlate to a desired RPM of the engine crankshaft. | 09-23-2010 |
| 20130020170 | CENTRIFUGAL CLUTCH APPARATUS - A centrifugal clutch apparatus can include a driving-side rotational member rotatable around a shaft member connected to a driving device; clutch devices mounted on the driving-side rotational member and movable radially-outward of the driving-side rotational member. A driven-side rotational member rotatable independent from the driving-side rotational member can be arranged for covering the driving-side rotational member and can have an inner circumferential surface to engage with the clutch devices. Friction members can be adapted to be abutted against the inner circumferential surface so as to transmit the driving power of the driving device to the driven-side rotational member. The inner circumferential surface of the driven-side rotational member can be formed with a groove and a tension member formed as a ring-shaped member can be snap-fitted into the groove and held therein under a radially-outward biasing force. | 01-24-2013 |
| 20130334005 | CLUTCH - A clutch is provided, comprising a clutch weight assembly ( | 12-19-2013 |
| 20090045027 | CLUTCH ARRANGEMENT - A clutch arrangement responsive to a speed difference including an input element and an output element that are rotatable relevant to one another, a friction clutch, and a pump. The friction clutch couples the input element with the output element in dependence on a hydraulic pressure prevails in a pressure space of the clutch arrangement. The pump has a first pump part that is rotationally fixedly connected to the input element and a second pump part that is rotationally fixedly connected to the output element. The pump may be driven by a rotary movement of the input element and the output element relative to one another, with a pressure side of the pump being connected to the pressure space. An orifice having a substantially temperature independent leakage characteristic is arranged at a leakage line that leads from the pressure space to a low pressure space and extends parallel to the pump. | 02-19-2009 |
| 20090314602 | Three Position Control Solenoid for Hydraulic Activation - A hydraulic system having a clutch assembly ( | 12-24-2009 |
| 192103000 | Centrifugal operator transversely engaged | 3 |
| 20110005888 | SIZE AND WEIGHT SAVING CLUTCH DRUM OF A CENTRIFUGAL CLUTCH - The present invention provides a clutch drum ( | 01-13-2011 |
| 20120273320 | FLYWHEEL MODULE COMPRISING A CENTRIFUGAL DISENGAGING CLUTCH - A flywheel module has a closed housing with an opening, and an output which is formed by an output shaft that extends outward through the opening. A sealing ring is present between the output shaft and the boundary wall of the opening. A flywheel is accommodated in the housing, which flywheel is connected via a clutch to a first gear of a transmission whose other gear is connected to a first portion of a centrifugal disengaging clutch of which the other portion is connected to the output shaft. With this it be avoided that the flywheel starts to run at too high a speed, which guarantees the safety of the flywheel module. | 11-01-2012 |
| 20120312657 | Active Damping Tip-In Clutch Control of a Vehicle Transmission - A method for controlling an input clutch of a vehicle transmission during a tip-in includes using a current gear and rate of change of transmission input speed to determine a first torque modifier, if a peak or trough occurred in input speed, using the current gear and a difference between measured input speed and expected input speed to determine a second torque modifier, and changing a torque capacity of said clutch using said modifiers. | 12-13-2012 |
| 20130068584 | CONTROL SYSTEM FOR ROTATING SHAFT - A rotating element control system includes a rotating element rotatably disposed on a main body, a first measuring unit which measures an angular movement of the main body, a driving unit which drives the rotating element, a second measuring unit which measures a rotational speed of the rotating element, a transfer unit which connects the rotating element and the driving unit and transfers a driving force to the rotating element, a motion compensation unit which generates a compensation signal which removes an error component generated by the angular movement of the main body, and a stabilization control unit which controls the driving unit based on the compensation signal and a difference between an input signal and the rotational speed of the rotating element. | 03-21-2013 |
| 20080296118 | CLUTCH OF CONTINUOUS VARIABLE TRANSMISSION SYSTEM - An improved clutch of a continuous variable transmission system includes a gear shaft, a driven belt pulley assembly, a clutch disc and a clutch jacket. An internal driving disc sleeve is disposed at the driven belt pulley assembly and connected to the clutch disc. The clutch jacket is connected to the gear shaft through a gear shaft sleeve. When a belt drives the driven belt pulley assembly to rotate at a high speed, the internal driving disc sleeve drives the clutch disc to rotate accordingly, and each clutch pad on the clutch disc is expanded outward due to a centrifugal force and pressed against the clutch jacket to drive both clutch jacket and gear shaft to rotate. An oil seal is installed in a sleeve inside the driving disc and contacted with the internal driving disc sleeve and the gear shaft sleeve to facilitate a shift of gears. | 12-04-2008 |
| 20090242351 | Automatic Clutch Employing Expanding Friction Disk and an Adjustable Pressure Plate - An apparatus and system are disclosed for automatic centrifugal engagement of a clutch incorporating a friction disk that expands when rotated above a threshold speed. The apparatus may include a clutch basket, a clutch pack capable of coupling the clutch basket with a center clutch, a pressure plate that may be easily adjusted to create a gap between the pressure plate and the clutch pack and an expanding friction disk assembly that may take the place of one or more friction disks. The assembly expands under centrifugal force to provide automatic engagement of the clutch. A mechanism is provided to manually override the automatic engagement of the clutch with a clutch lever and with improved operational performance of the clutch lever versus previous automatic clutch systems. | 10-01-2009 |
| 20090250306 | Centrifugal Clutch - In a pendulum centrifugal clutch, a shoe is provided in a manner rotatable about a boss, and a fitting hole that rotatably fits with the boss is provided to the shoe. The fitting hole is bored on a thin portion formed by reducing a thickness of a shoe body from first and second sides of the shoe body. The thin portion is interposed between a brim provided to a first axial end of the boss and a plate brought adjacent to a second axial end of the boss. | 10-08-2009 |
| 20100163363 | Engine with centrifugal clutch - The present invention provides an engine with a centrifugal clutch which can efficiently cool and lubricate the centrifugal clutch. The engine according to the present invention supports a pair of journal portions of a crankshaft by a bearing such as a ball bearing, a roller bearing, or the like, as well as a bearing metal. There is provided first oil supplying means formed in the crankshaft. The first oil supplying means has an oil passage for the first oil supplying means which is communicated with a main oil passage through an oil hole formed in the bearing metal and extends through a fitting portion of a crankpin to reach the centrifugal clutch. | 07-01-2010 |
| 20120018276 | Centrifugal cluth with improved thermal management - A centrifugal friction clutch providing for a separation between the pressure and/or fixed plates and the friction surfaces of the clutch discs to provide for reduced heat transfer to said pressure and fixed plates, reduced risk of deformation of said plates, and improved distribution of axial forces to maintain maximum frictional engagement. Said pressure plates and fixed plates further including air impeller vanes or similar structures on their interior surface to further improve heat dissipation and reduce the risk of deformation. | 01-26-2012 |
| 20130270058 | MOTORCYCLE INCLUDING CENTRIFUGAL CLUTCH - A centrifugal clutch is disclosed. The centrifugal clutch has a first plate provided in a clutch housing, a second plate provided in a clutch boss, a pressure plate capable of being moved close to and away from the first and second plates, and a centrifugal weight arranged to push the pressure plate toward the first and second plates by receiving centrifugal force. The centrifugal clutch is arranged so that torque T transmitted between the first and second plates is temporarily reduced and then increased as an engine rotational speed is increased from a time when an engine is stopped. | 10-17-2013 |
| 20150041279 | CENTRIFUGAL ENGAGEMENT AND DISENGAGEMENT DRIVE SYSTEMS - A drive system may provide centrifugally driven clutch members into engagement and disengagement using weights between an interface of the clutch members. The weights maybe disposed in races between the clutch members. The weights may move centrifugally within the races pushing the clutch members apart during rotation of an input drive shaft. In some embodiments, two clutch members may provide the engagement and disengagement of the input drive shaft power to a drive output member and a third clutch member may be configured to engage the two cutch members during drive engagement. The third clutch member may be configured to disengage from the two clutch members as a failsafe during, for example, an overspeed condition or a jammed clutch interface. | 02-12-2015 |
| 20160017938 | CLUTCH ARRANGEMENT FOR A VEHICLE AND METHOD FOR OPERATING A VEHICLE - A clutch arrangement for a vehicle for the purpose of detachably connecting two shafts ( | 01-21-2016 |
| 20100236890 | Mechanical Clutch Having Polymer Engagement - A polymer based clutch system for using as a centrifugal clutch. The clutch includes a clutch hub configured to rotationally adhere to an engine crankshaft and a polymer clutch configured to mate with the clutch hub and having a deformity property configured to correlate to a desired RPM of the engine crankshaft. | 09-23-2010 |
| 20130020170 | CENTRIFUGAL CLUTCH APPARATUS - A centrifugal clutch apparatus can include a driving-side rotational member rotatable around a shaft member connected to a driving device; clutch devices mounted on the driving-side rotational member and movable radially-outward of the driving-side rotational member. A driven-side rotational member rotatable independent from the driving-side rotational member can be arranged for covering the driving-side rotational member and can have an inner circumferential surface to engage with the clutch devices. Friction members can be adapted to be abutted against the inner circumferential surface so as to transmit the driving power of the driving device to the driven-side rotational member. The inner circumferential surface of the driven-side rotational member can be formed with a groove and a tension member formed as a ring-shaped member can be snap-fitted into the groove and held therein under a radially-outward biasing force. | 01-24-2013 |
| 20130334005 | CLUTCH - A clutch is provided, comprising a clutch weight assembly ( | 12-19-2013 |
| 20090045027 | CLUTCH ARRANGEMENT - A clutch arrangement responsive to a speed difference including an input element and an output element that are rotatable relevant to one another, a friction clutch, and a pump. The friction clutch couples the input element with the output element in dependence on a hydraulic pressure prevails in a pressure space of the clutch arrangement. The pump has a first pump part that is rotationally fixedly connected to the input element and a second pump part that is rotationally fixedly connected to the output element. The pump may be driven by a rotary movement of the input element and the output element relative to one another, with a pressure side of the pump being connected to the pressure space. An orifice having a substantially temperature independent leakage characteristic is arranged at a leakage line that leads from the pressure space to a low pressure space and extends parallel to the pump. | 02-19-2009 |
| 20090314602 | Three Position Control Solenoid for Hydraulic Activation - A hydraulic system having a clutch assembly ( | 12-24-2009 |
| 192103000 | Fluid operated | 2 |
| 20110005888 | SIZE AND WEIGHT SAVING CLUTCH DRUM OF A CENTRIFUGAL CLUTCH - The present invention provides a clutch drum ( | 01-13-2011 |
| 20120273320 | FLYWHEEL MODULE COMPRISING A CENTRIFUGAL DISENGAGING CLUTCH - A flywheel module has a closed housing with an opening, and an output which is formed by an output shaft that extends outward through the opening. A sealing ring is present between the output shaft and the boundary wall of the opening. A flywheel is accommodated in the housing, which flywheel is connected via a clutch to a first gear of a transmission whose other gear is connected to a first portion of a centrifugal disengaging clutch of which the other portion is connected to the output shaft. With this it be avoided that the flywheel starts to run at too high a speed, which guarantees the safety of the flywheel module. | 11-01-2012 |
| 20120312657 | Active Damping Tip-In Clutch Control of a Vehicle Transmission - A method for controlling an input clutch of a vehicle transmission during a tip-in includes using a current gear and rate of change of transmission input speed to determine a first torque modifier, if a peak or trough occurred in input speed, using the current gear and a difference between measured input speed and expected input speed to determine a second torque modifier, and changing a torque capacity of said clutch using said modifiers. | 12-13-2012 |
| 20130068584 | CONTROL SYSTEM FOR ROTATING SHAFT - A rotating element control system includes a rotating element rotatably disposed on a main body, a first measuring unit which measures an angular movement of the main body, a driving unit which drives the rotating element, a second measuring unit which measures a rotational speed of the rotating element, a transfer unit which connects the rotating element and the driving unit and transfers a driving force to the rotating element, a motion compensation unit which generates a compensation signal which removes an error component generated by the angular movement of the main body, and a stabilization control unit which controls the driving unit based on the compensation signal and a difference between an input signal and the rotational speed of the rotating element. | 03-21-2013 |
| 20080296118 | CLUTCH OF CONTINUOUS VARIABLE TRANSMISSION SYSTEM - An improved clutch of a continuous variable transmission system includes a gear shaft, a driven belt pulley assembly, a clutch disc and a clutch jacket. An internal driving disc sleeve is disposed at the driven belt pulley assembly and connected to the clutch disc. The clutch jacket is connected to the gear shaft through a gear shaft sleeve. When a belt drives the driven belt pulley assembly to rotate at a high speed, the internal driving disc sleeve drives the clutch disc to rotate accordingly, and each clutch pad on the clutch disc is expanded outward due to a centrifugal force and pressed against the clutch jacket to drive both clutch jacket and gear shaft to rotate. An oil seal is installed in a sleeve inside the driving disc and contacted with the internal driving disc sleeve and the gear shaft sleeve to facilitate a shift of gears. | 12-04-2008 |
| 20090242351 | Automatic Clutch Employing Expanding Friction Disk and an Adjustable Pressure Plate - An apparatus and system are disclosed for automatic centrifugal engagement of a clutch incorporating a friction disk that expands when rotated above a threshold speed. The apparatus may include a clutch basket, a clutch pack capable of coupling the clutch basket with a center clutch, a pressure plate that may be easily adjusted to create a gap between the pressure plate and the clutch pack and an expanding friction disk assembly that may take the place of one or more friction disks. The assembly expands under centrifugal force to provide automatic engagement of the clutch. A mechanism is provided to manually override the automatic engagement of the clutch with a clutch lever and with improved operational performance of the clutch lever versus previous automatic clutch systems. | 10-01-2009 |
| 20090250306 | Centrifugal Clutch - In a pendulum centrifugal clutch, a shoe is provided in a manner rotatable about a boss, and a fitting hole that rotatably fits with the boss is provided to the shoe. The fitting hole is bored on a thin portion formed by reducing a thickness of a shoe body from first and second sides of the shoe body. The thin portion is interposed between a brim provided to a first axial end of the boss and a plate brought adjacent to a second axial end of the boss. | 10-08-2009 |
| 20100163363 | Engine with centrifugal clutch - The present invention provides an engine with a centrifugal clutch which can efficiently cool and lubricate the centrifugal clutch. The engine according to the present invention supports a pair of journal portions of a crankshaft by a bearing such as a ball bearing, a roller bearing, or the like, as well as a bearing metal. There is provided first oil supplying means formed in the crankshaft. The first oil supplying means has an oil passage for the first oil supplying means which is communicated with a main oil passage through an oil hole formed in the bearing metal and extends through a fitting portion of a crankpin to reach the centrifugal clutch. | 07-01-2010 |
| 20120018276 | Centrifugal cluth with improved thermal management - A centrifugal friction clutch providing for a separation between the pressure and/or fixed plates and the friction surfaces of the clutch discs to provide for reduced heat transfer to said pressure and fixed plates, reduced risk of deformation of said plates, and improved distribution of axial forces to maintain maximum frictional engagement. Said pressure plates and fixed plates further including air impeller vanes or similar structures on their interior surface to further improve heat dissipation and reduce the risk of deformation. | 01-26-2012 |
| 20130270058 | MOTORCYCLE INCLUDING CENTRIFUGAL CLUTCH - A centrifugal clutch is disclosed. The centrifugal clutch has a first plate provided in a clutch housing, a second plate provided in a clutch boss, a pressure plate capable of being moved close to and away from the first and second plates, and a centrifugal weight arranged to push the pressure plate toward the first and second plates by receiving centrifugal force. The centrifugal clutch is arranged so that torque T transmitted between the first and second plates is temporarily reduced and then increased as an engine rotational speed is increased from a time when an engine is stopped. | 10-17-2013 |
| 20150041279 | CENTRIFUGAL ENGAGEMENT AND DISENGAGEMENT DRIVE SYSTEMS - A drive system may provide centrifugally driven clutch members into engagement and disengagement using weights between an interface of the clutch members. The weights maybe disposed in races between the clutch members. The weights may move centrifugally within the races pushing the clutch members apart during rotation of an input drive shaft. In some embodiments, two clutch members may provide the engagement and disengagement of the input drive shaft power to a drive output member and a third clutch member may be configured to engage the two cutch members during drive engagement. The third clutch member may be configured to disengage from the two clutch members as a failsafe during, for example, an overspeed condition or a jammed clutch interface. | 02-12-2015 |
| 20160017938 | CLUTCH ARRANGEMENT FOR A VEHICLE AND METHOD FOR OPERATING A VEHICLE - A clutch arrangement for a vehicle for the purpose of detachably connecting two shafts ( | 01-21-2016 |
| 20100236890 | Mechanical Clutch Having Polymer Engagement - A polymer based clutch system for using as a centrifugal clutch. The clutch includes a clutch hub configured to rotationally adhere to an engine crankshaft and a polymer clutch configured to mate with the clutch hub and having a deformity property configured to correlate to a desired RPM of the engine crankshaft. | 09-23-2010 |
| 20130020170 | CENTRIFUGAL CLUTCH APPARATUS - A centrifugal clutch apparatus can include a driving-side rotational member rotatable around a shaft member connected to a driving device; clutch devices mounted on the driving-side rotational member and movable radially-outward of the driving-side rotational member. A driven-side rotational member rotatable independent from the driving-side rotational member can be arranged for covering the driving-side rotational member and can have an inner circumferential surface to engage with the clutch devices. Friction members can be adapted to be abutted against the inner circumferential surface so as to transmit the driving power of the driving device to the driven-side rotational member. The inner circumferential surface of the driven-side rotational member can be formed with a groove and a tension member formed as a ring-shaped member can be snap-fitted into the groove and held therein under a radially-outward biasing force. | 01-24-2013 |
| 20130334005 | CLUTCH - A clutch is provided, comprising a clutch weight assembly ( | 12-19-2013 |
| 20090045027 | CLUTCH ARRANGEMENT - A clutch arrangement responsive to a speed difference including an input element and an output element that are rotatable relevant to one another, a friction clutch, and a pump. The friction clutch couples the input element with the output element in dependence on a hydraulic pressure prevails in a pressure space of the clutch arrangement. The pump has a first pump part that is rotationally fixedly connected to the input element and a second pump part that is rotationally fixedly connected to the output element. The pump may be driven by a rotary movement of the input element and the output element relative to one another, with a pressure side of the pump being connected to the pressure space. An orifice having a substantially temperature independent leakage characteristic is arranged at a leakage line that leads from the pressure space to a low pressure space and extends parallel to the pump. | 02-19-2009 |
| 20090314602 | Three Position Control Solenoid for Hydraulic Activation - A hydraulic system having a clutch assembly ( | 12-24-2009 |
