Abstract: A transmission including: a first number of input shafts; an output shaft; a second number of gears non-rotatably connected to the output shaft; a third number of lay shafts; and full synchronizer clutches. Each full synchronizer clutch includes: a respective first half synchronizer clutch arranged to non-rotatably connect a respective first gear to a respective lay shaft included in the third number of lay shafts, and disconnect the respective first gear from the respective lay shaft; and a respective second half synchronizer clutch arranged to non-rotatably connect a respective second gear to the respective lay shaft, and disconnect the respective second gear from the respective lay shaft. The transmission is arranged to provide a fourth number of total reverse and forward speed ratios equal to the first number multiplied by the second number multiplied by the third number.

Abstract: A tuned damper for a torque converter includes a piston plate with a pivot ring, an inertia ring at least partially rotatable in a circumferential direction relative to the piston plate, and a resilient element fixed to the inertia ring and frictionally engaged with the piston plate pivot ring. In some example embodiments, the pivot ring includes a pair of radially extending tabs, the resilient element includes a radially-extending leaf spring fixed to a slide roll, and an outer circumference of the slide roll is clamped by the pivot ring tabs. In an example embodiment, the pivot ring tabs each include respective distal bent segments extending toward one another to limit radial displacement of the slide roll. In an example embodiment, an inertia of the inertia ring and a torsional spring rate of the resilient element are selected so that a natural frequency of the inertia ring is less than a shudder frequency.

Abstract: A transmission including first and second input shafts rotatable about a first axis of rotation; at least one output shaft rotatable about at least one second axis of rotation, the at least one second axis of rotation non-collinear with the first axis of rotation; a plurality of lay shafts; a plurality of gears; and a plurality of half synchronizer clutches arranged to non-rotatably connect at least a portion of the plurality of gears to the plurality of lay shafts to transmit respective torque from the first and second input shafts to the at least one output shaft and disconnect the at least a portion of the plurality of gears from the plurality of lay shafts.

Abstract: A transmission including first and second input shafts rotatable about a first axis of rotation; at least one output shaft rotatable about at least one second axis of rotation, the at least one second axis of rotation non-collinear with the first axis of rotation; a plurality of lay shafts; a plurality of gears; and a plurality of half synchronizer clutches arranged to non-rotatably connect at least a portion of the plurality of gears to the plurality of lay shafts to transmit respective torque from the first and second input shafts to the at least one output shaft and disconnect the at least a portion of the plurality of gears from the plurality of lay shafts.

Abstract: A transmission including: first and second input shafts; an output shaft; lay shafts; gears; and at least one forward output gear non-rotatably connected to the output shaft; an axis of rotation for each gear; half synchronizer clutches arranged to non-rotatably connect the gears to lay shafts and disconnect the gears from the lay shafts; and an idler gear non-rotatably connected to a lay shaft and meshed with the at least one forward output gear so that when the idler gear rotates about its axis of rotation, the at least one forward output gear rotates about its axis of rotation and when the at least one forward output gear rotates about its axis of rotation, the idler gear rotates about its axis of rotation. For at least one reverse gear ratio, the idler gear is arranged to rotate the output shaft opposite a direction of rotation for the first or second input shaft.

Abstract: A transmission including: a first number of input shafts; an output shaft; a second number of gears non-rotatably connected to the output shaft; a third number of lay shafts; and full synchronizer clutches. Each full synchronizer clutch includes: a respective first half synchronizer clutch arranged to non-rotatably connect a respective first gear to a respective lay shaft included in the third number of lay shafts, and disconnect the respective first gear from the respective lay shaft; and a respective second half synchronizer clutch arranged to non-rotatably connect a respective second gear to the respective lay shaft, and disconnect the respective second gear from the respective lay shaft. The transmission is arranged to provide a fourth number of total reverse and forward speed ratios equal to the first number multiplied by the second number multiplied by the third number.

Abstract: The present invention is an automatic transmission equipped with at least one planetary gear set and including a single electric motor/generator having a motor output shaft; a hydrocarbon fueled engine; at least one transmission input shaft; an engine clutch operatively attached to the hydrocarbon fueled engine to the at least one transmission input shaft; a motor/generator clutch; a plurality of transmission clutches; and, a plurality of transmission clutch brakes.

Abstract: A tuned damper for a torque converter includes a piston plate with a pivot ring, an inertia ring at least partially rotatable in a circumferential direction relative to the piston plate, and a resilient element fixed to the inertia ring and frictionally engaged with the piston plate pivot ring. In some example embodiments, the pivot ring includes a pair of radially extending tabs, the resilient element includes a radially-extending leaf spring fixed to a slide roll, and an outer circumference of the slide roll is clamped by the pivot ring tabs. In an example embodiment, the pivot ring tabs each include respective distal bent segments extending toward one another to limit radial displacement of the slide roll. In an example embodiment, an inertia of the inertia ring and a torsional spring rate of the resilient element are selected so that a natural frequency of the inertia ring is less than a shudder frequency.

Abstract: A drive train of a hybrid vehicle comprising an internal combustion engine, a first electric motor including a first rotor, a second electric motor including a second rotor and arranged to be concentric with the first rotor, a gearbox for converting an input torque generated by the first electric motor and/or by the internal combustion engine into an output torque, the second electric motor being arranged such that a torque generated by the said second electric motor is superimposable over the output torque of the gearbox. A first stator is assigned to the first rotor and a second stator is assigned to the second rotor, the first rotor is arranged concentrically with the second rotor and electrically insulated from the second stator. A hybrid vehicle with a drive train as described above.

Abstract: A drive train of a hybrid vehicle comprising an internal combustion engine, a first electric motor including a first rotor, a second electric motor including a second rotor and arranged to be concentric with the first rotor, a gearbox for converting an input torque generated by the first electric motor and/or by the internal combustion engine into an output torque, the second electric motor being arranged such that a torque generated by the said second electric motor is superimposable over the output torque of the gearbox. A first stator is assigned to the first rotor and a second stator is assigned to the second rotor, the first rotor is arranged concentrically with the second rotor and electrically insulated from the second stator. A hybrid vehicle with a drive train as described above.

Abstract: An automatic transmission including a first number of dry clutches; a second number of brakes; a third number of actuators; and transfer elements. The transfer elements are connected to respective clutches and brakes by respective uninterruptible mechanical paths. The actuators are arranged to displace respective transfer elements to operate the dry clutches and brakes. The third number is less than a sum of the first and second numbers. The transmission can include an input to a drive unit; a gear set; a damper connecting the drive unit and gear set; and an uninterrupted torque path between the drive unit and gear set. The transmission can include: a fluid chamber; dry portions; a six speed gear set at least partly in the chamber; three shafts at least partially disposed in the chamber; and three sealing elements forming a fluid-tight seal among the shafts, chamber, and dry portions.

Abstract: The present invention broadly comprises a power transmitting assembly for a vehicle, including a transmission power output for a manual transmission in the vehicle and a torque-filling element. The torque-filling element is arranged for connection to an engine in the vehicle, is connected to the transmission power output and is arranged to modify engine torque from the engine and to provide the modified engine torque to the transmission power output during a shift to a gear in the manual transmission. The torque-filling element includes a hydrodynamic torque-transmitting device, a rotation adjustment element to modify rotational speed associated with the engine, and a coupling element to interface the engine torque with torque on the transmission power output. In some aspects, the rotation adjustment element is arranged for connection to the engine. In some aspects, the coupling element is arranged for connection to the engine.

Abstract: A drive system, including a torque converter with a housing arranged for connection to a combustion engine for a vehicle; and an air-operated motor, connected to the housing, for providing torque to the housing for the torque converter; or an air compressor, connected to the housing, for using torque from the housing to compress air. In one embodiment, the system includes a compressed air accumulator for providing compressed air to the air-operated motor; and a heat exchanger for transferring heat energy to compressed air provided to the air-operated motor from the accumulator. A drive system, including a combustion engine with a crankshaft; a plurality of pistons and cylinders for combusting fuel; and a cylinder and piston, the piston connected to the crankshaft. The system also includes a compressed gas accumulator for supplying compressed gas to the cylinder to operate the first piston to provide torque to the crankshaft.

Abstract: A torque transmission device includes a torque converter, a pump impeller, a turbine wheel and optionally a stator. The device also includes a converter bypass coupling having a flange which is connected to the housing or the pump impeller in a force-locking manner. The flange is arranged between the pump impeller and the turbine wheel and can be connected to the turbine wheel in a frictionally engaged manner by means of a first coupling.

Abstract: An automatic transmission including a first number of dry clutches; a second number of brakes; a third number of actuators; and transfer elements. The transfer elements are connected to respective clutches and brakes by respective uninterruptible mechanical paths. The actuators are arranged to displace respective transfer elements to operate the dry clutches and brakes. The third number is less than a sum of the first and second numbers. The transmission can include an input to a drive unit; a gear set; a damper connecting the drive unit and gear set; and an uninterrupted torque path between the drive unit and gear set. The transmission can include: a fluid chamber; dry portions; a six speed gear set at least partly in the chamber; three shafts at least partially disposed in the chamber; and three sealing elements forming a fluid-tight seal among the shafts, chamber, and dry portions.

Abstract: The present invention broadly comprises a power transmitting assembly for a vehicle, including a transmission power output for a manual transmission in the vehicle and a torque-filling element. The torque-filling element is arranged for connection to an engine in the vehicle, is connected to the transmission power output and is arranged to modify engine torque from the engine and to provide the modified engine torque to the transmission power output during a shift to a gear in the manual transmission. The torque-filling element includes a hydrodynamic torque-transmitting device, a rotation adjustment element to modify rotational speed associated with the engine, and a coupling element to interface the engine torque with torque on the transmission power output. In some aspects, the rotation adjustment element is arranged for connection to the engine. In some aspects, the coupling element is arranged for connection to the engine.

Abstract: The invention broadly comprises a torque converter with a pump clutch operatively arranged to couple a pump in the converter to a torsional input to the converter and a torque converter clutch operatively arranged to couple the torsional input to an output shaft for the converter. The pump clutch is arranged to maintain the coupling of the pump to the input as the torsional input and the shaft are coupled. The torque converter also includes at least one vibration damping means. The damping means is operatively connected to the torsional input and disposed in the converter such that the torsional input passes through the at least one vibration damping means when the input is coupled to the pump. The present invention also broadly comprises a torque transmitting apparatus, comprising a torque converter, a first input shaft for a dual-input gearbox, and, means for coupling the converter and the input shaft.

Abstract: A torque transmission device includes a torque converter, a pump impeller, a turbine wheel and optionally a stator. The device also includes a converter bypass coupling having a flange which is connected to the housing or the pump impeller in a force-locking manner. The flange is arranged between the pump impeller and the turbine wheel and can be connected to the turbine wheel in a frictionally engaged manner by means of a first coupling.

Abstract: A torque transmitting system including a torque converter or a fluid coupling. The system includes a torsional-vibration damper that is positioned within the housing of the fluid coupling and that serves to damp torsional vibrations. Several locations at which the torsional-vibration damper can be positioned are disclosed.

Abstract: A hydrokinetic torque converter for use with a transmission in the power train of a motor vehicle has a housing rotatable by the engine and containing a pump, a turbine and at least one stator as well as a rotary output device connected to the input shaft of the transmission. The pump is normally rotatable by the housing; the turbine is rotatable (a) by the fluid which is circulated by the pump or (b) by the housing in response to engagement of a lockup clutch; and the stator can be connected to the stationary case of the transmission or is rotatable by the circulating fluid. First and second hubs are non-rotatably but axially movably mounted on the output member and are respectively connectable with the turbine and the stator by suitable clutches.