Abstract: A starting apparatus including an input member coupled to a motor; a damper mechanism having an input element, an elastic body and an output element; a lock-up clutch mechanism for performing lockup where the input member is coupled to an input shaft of a transmission via the damper mechanism and for canceling lockup, and a dynamic damper including an elastic body and a mass body engaged with the elastic body. The mass body of the dynamic damper is an elastic body support member that is supported rotatably around an axis of the starting apparatus and that supports the elastic body of the damper mechanism. With this arrangement, the dynamic damper is easily adjustable while reducing the overall size of the starting apparatus.

Abstract: A hydraulic motor/pump regenerator system for recovering energy from the moving vehicle having high efficiency and precise control, thereby allowing the maximum amount of energy to be recovered and reused, is described. Three, fixed-displacement pump/motors are used to enable the system to recover and reapply energy at efficiencies expected to be above 70% in most circumstances. The invention is not limited to the use of three fixed displacement hydraulic units since using more units may in some drive cycles further improve efficiency. By selecting an appropriate combination of pump/motor units for providing the driveshaft torque required by the driver, embodiments of the present invention generate high recovery efficiency at any speed.

Abstract: The clutch release bearing device comprising a bearing 12 provided with a non-rotating ring 18, a rotating ring 20 and at least one row of rolling elements 22 arranged between the rings, and a wear ring 44 arranged on the rotating ring and capable of coming into contact with a clutch mechanism diaphragm, the wear ring 44 comprising at least one ball joint 84 bearing against a guide portion 42; 92 of the rotating ring and of which the axis 90 may be angularly tilted relative to the axis 14 of the bearing. The wear ring 44 is provided with a guide portion 80 comprising an internal surface in contact with an external bearing surface of the rotating ring, the ball joint 84 and joining portions 86; 94 capable of permitting angular tilting of the ball joint relative to the guide portion.

Abstract: In a drive arrangement for wheels of a motor vehicle which are driven by means of an electric machine via a differential, the electric machine includes a rotor and a stator and drives a drive element of the differential whose output shafts output to the wheels of the motor vehicle. In order to achieve a structurally compact construction which enables favorable transmission ratios the rotor outputs to the drive element of the differential and that by interposing a gear mechanism, the drive element and/or the output shafts are supported offset to the rotation axis of the rotor.

Abstract: The invention relates to a dual clutch for a dual clutch transmission for transmitting a torque from a drive shaft to at least one drive shaft, which comprises a first clutch, a second clutch, and an electrical actuating device. The actuating device comprises a coupling slide, wherein a first slide of the coupling slide acts on the first clutch, and a second slide of the coupling slide acts on the second clutch, and the two slides are movable in such a way that by displacing the slides a recoupling process is controlled.

Abstract: A dual clutch arrangement for a transmission that is provided with a first input shaft and a second input shaft has a clutch housing that is connectable to a drive train in a rotationally fixed fashion. The first and second friction clutches can transmit a torque between the clutch housing and the first and the second input shafts, respectively. The first and second friction clutches are nested in the radial direction with respect to each other and actuated by a first and a second actuating unit that have pistons for pressuring clutch disk packs. The compressive force exerted by the piston of the first actuating unit and the compressive force exerted by the piston of the second actuating unit are directed in axially opposite directions with respect to each other.

Abstract: A rotary electric drive device for a vehicle configured to couple a combustion engine to a wheel. The drive device includes an engagement device selectively drivingly connecting the input member with the rotary electric machine and a fluid coupling. The engagement device includes a differential pressure generating chamber that receives oil supply so as to apply hydraulic pressure to a side of the pressing member opposite to a side to which hydraulic pressure for operation is applied. A body portion housing chamber housing a body portion of the fluid coupling and the differential pressure generating chamber are structured as oil chambers independent of each other. The drive device includes a coupling supply oil passage supplying oil to the body portion housing chamber and a differential pressure supply oil passage supplying the oil to the differential pressure generating chamber.

Abstract: Provided is a highly reactive fluid fan coupling device utilizing the non-Newtonian fluid characteristics of oil, thereby obtaining an excellent reaction rate of fan rotation using a control signal. In the fan coupling device, where the interior of a sealed housing supported on a rotary shaft with a drive disk secured thereto is partitioned in an oil reservoir chamber and a torque transmission chamber placing the drive disk thereinto by a partition plate; drive torque is transmitted to a driven side by oil supplied to the torque transmission chamber; and opening and closing of a flow path of oil is controlled by a valve member actuated by an electromagnet, wherein a mechanism to scrape out the oil in the oil reservoir chamber utilizing the non-Newtonian fluid characteristics of oil is provided on the drive disk so as to be opposed to an oil supply adjusting hole of the partition plate.

Abstract: A transmission includes a housing defining a sealed interior and an input hub rotatably coupled to the housing. A gear set is disposed within the housing and configured for receiving a torque from an engine. The transmission further includes an isolator assembly and a bypass clutch, each disposed within the sealed interior of the housing. The isolator assembly is configured for selectively damping drivetrain inertia and/or vibration. The bypass clutch selectively engages and disengages the isolator assembly.

Abstract: A powertrain module includes an input, a bulkhead supporting the input, a rotor support, a torque converter casing driveably connected to the rotor support, an electric machine including a stator supported on the bulkhead and a rotor connected to the rotor support, a clutch hub driveably connected to the input, and a clutch for alternately opening and closing a drive connection between the clutch hub and the rotor support.

Abstract: A device for transmission and/or generation of torque having a driveshaft and having a driven shaft acted upon by field-excited forces of a magnetorheological medium, the driveshaft terminates in a flange in a housing, at least one cylinder is arranged on the flange (7), and the cylinder extends over the driven shaft coaxially while forming a gap which is filled with the magnetorheological medium.

Abstract: An internal combustion engine is provided with a plurality of hydraulic clutches, a plurality of hydraulic controlling valves for individually controlling the oil pressure for the hydraulic clutches, and a plurality of clutch oil pressure sensors for individually detecting the controlling oil pressure of controlling oil supplying paths interconnecting the hydraulic controlling valves and the hydraulic clutches. The oil pressure sensors individually correspond to the hydraulic clutches compactly, thereby to preventing an increase in size. The clutch oil pressure sensors are provided on an engine main body so as to be disposed in the proximity of and in parallel to each other while axial directions thereof are directed in a forward and backward direction of a saddle type vehicle in a state in which the engine main body is mounted on the saddle type vehicle.

Abstract: A transmission is disclosed for a wheeled vehicle. The transmission has a rotary input (14) to be driven by a rotary power source, e.g. an internal combustion engine. It has a rotary output (16) for driving a vehicle wheel. A transmission unit is coupled between the rotary input and the rotary output to transfer drive between them at a speed ratio which is continuously variable through a range which includes both negative ratios (providing a reversal of rotational direction between the rotary input and the rotary output), positive ratios (in which the rotary input and the rotary output rotate in the same direction), and a geared neutral ratio, in which the rotary output is stationary. In accordance with the invention, the transmission further comprises a brake (20) for braking the rotary output. The brake is provided with a control arrangement adapted to apply it when the speed ratio is set to the geared neutral ratio and to release the brake as the speed ratio is adjusted away from the geared neutral ratio.

Abstract: A transfer case having a planetary gear set, a clutch collar, and an actuator. The actuator is configured to actuate the clutch collar between a low speed range position in which the clutch collar engages a planet gear carrier of the planetary gear set, and a high speed range position in which the clutch collar engages a sun gear of the planetary gear set.

Abstract: A planetary gear train is provided with: a carrier; a planetary gear; a planetary pin inserted into an insert hole provided through the planetary gear and coupled to the carrier to rotatably support the planetary gear; a thrust collar attached to a surface opposed to the planetary gear of the carrier so as to surround the planetary pin; and a pin for coupling the thrust collar to the carrier. The thrust collar has a first surface opposed to the carrier and a second surface opposed to the planetary gear, and has a first pin hole provided on the first surface so as not to reach the second surface. The carrier has a second pin hole on a surface opposed to the planetary gear. The thrust collar is attached to the carrier by inserting the pin into the first pin hole of the thrust collar and into the second pin hole of the carrier.

Abstract: The present invention provides a roller type one-way clutch comprising an outer race in which pockets provided at their inner surfaces with cam surfaces are formed, an inner race spaced apart from the outer race in a radial inner diameter side and disposed coaxially with the outer race for a relative rotational movement and having an annular outer peripheral track surface, a roller disposed within the pocket to be engaged with the cam surfaces and adapted to transmit torque between the outer race and the inner race, and an accordion spring disposed within the pocket and adapted to bias the rollers to be engaged with the cam surfaces, and wherein one end of each accordion spring is secured to an axial end face of the outer race.

Abstract: The present invention relates to a clutch actuation mechanism having a valve, a plurality of couplings in fluid communication with the valve, wherein one of the plurality of couplings is operable to distribute power between a primary set of wheels and a secondary set of wheels, and another of the plurality of couplings is operable to distribute power between each of the secondary set of wheels. The present invention also includes a drive shaft driven by a source of power, which is also connected to the secondary set of wheels, and a pressure supply device in fluid communication with the valve, wherein the valve directs fluid to the plurality of couplings, and when the valve directs fluid to the one of the plurality of couplings operable to distribute power between the primary set and secondary set of wheels, the drive shaft will transfer power to the secondary set of wheels.

Abstract: 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.

Abstract: The present disclosure relates to durability enhancement techniques for a dry-clutch vehicle transmission. A cooling system that provides a direct convective cooling path to friction surfaces is disclosed. Also disclosed is a continuously variable clutch wear compensation assembly configured to adjust the position of clutch assembly components on-demand or as needed.

Abstract: A hybrid drive configuration is provided wherein the carrier of a first planetary gear set is coupled with the ring gear of a second planetary gear set, which is embodied as a Ravigneaux gear set. The ring gear of the second planetary gear set is fixedly connected to a driven shaft. The carrier of the second planetary gear set is connectable to the ring gear of the first planetary gear set by a clutch. The ring gear of the first planetary gear set is fixedly connected to a drive shaft. The rotor of a first electric machine is fixedly connected to the sun gear of the first planetary gear set. The rotor of a second electric machine is fixedly connected to the first sun gear of the second planetary gear set. The second sun gear of the second planetary gear set is connectable to a housing by a brake.