Abstract: A four-mode rocker clutch, including: a clutch gear supported for rotation around an axis of rotation; a housing; a first pawl including a portion disposed within the housing; a first actuator; a second pawl including a portion disposed within the housing; and a first resilient element. For a first one-way mode of the four-mode rocker clutch: the first actuator is arranged to hold the first pawl in contact with the clutch gear; the first pawl is arranged to block rotation of the clutch gear, with respect to the housing, in a first circumferential direction around an axis of rotation; and the first resilient element is arranged to hold the second pawl out of contact with the clutch gear.

Abstract: The present invention provides a new clutch system that ensures a 100% torque transmission rate between an engine and a transmission in a vehicle system, that can be commonly applied to conventional manual transmission vehicles and automatic vehicles, and that operates in conjunction with an accelerator pedal and a brake pedal.

Abstract: According to the present invention, a power transmission device of a clutch system can transmit power to precisely control and operate a clutch assembly, in conjunction with pressing and releasing of an accelerator pedal and a brake pedal.

Abstract: A hybrid module for a motor vehicle for coupling an internal combustion engine includes a disconnect clutch, an electrical machine, a clutch, a dry space and a wet space, and a seal. The disconnect clutch is for transmitting a first torque from the internal combustion engine to the hybrid module, and disconnecting the hybrid module from the internal combustion engine. The electrical machine is for generating a drive torque and includes a rotor. The clutch is for transmitting a second torque from the electrical machine or the disconnect clutch to a drivetrain. The seal is for sealing off the dry space with respect to the wet space. A one of the disconnect clutch or the clutch is a dry clutch in the dry space and the other of the disconnect clutch or the clutch is a wet clutch in the wet space.

Abstract: An electromagnetic friction disk clutch with a shaft, an electromagnet arrangement, a rotor for driving the shaft, and an armature disk which is connected to the shaft and moveable in a sprung manner in a direction which is axial to a shaft axis. In a shifting state of the friction disk clutch, the armature disk can be connected to the rotor in a frictionally locking manner, the rotor being mounted rotationally by a rotor bearing unit with respect to the housing section and with respect to the shaft, a magnetic effect is generated for connecting the armature disk to the rotor. The rotor bearing unit is offset with respect to the electromagnet arrangement in an axial direction with respect to the shaft, and overlaps the electromagnet arrangement in the axial direction with respect to the shaft.

Abstract: A synchronizer assembly includes a pair of engageable members each including an exterior cone surface and first exterior splines. A central synchronizer ring is disposed between the pair of engageable members and having second exterior splines. A pair of synchronizer cone rings are disposed on opposite sides of the central synchronizer ring and each include third exterior splines and an interior cone surface that oppose the exterior cone surface of respective ones of the pair of engageable members. A sliding synchronizer sleeve engages the second exterior splines of the central synchronizer ring and movable for engaging the third exterior splines of the pair of synchronizer cone rings and the first exterior splines of the pair of engageable members. A plurality of interlocking clips engage the pair of synchronizer cone rings.

Abstract: The present invention relates to a lock-up clutch of a torque converter. A cover (10) is separated to a pilot (48) and includes an opening (10-1) for installing the pilot (48). Before assembling a clutch driving portion such as a piston, a separator, drive plates, a seal ring, and driven plates, to the pilot (48), rivets (53) are press-fitted into the pilot (48), the cover (10) is abutted to respective head portions of the rivets (53), and the pilot (48) is installed in the cover (10) and is fixed to the cover (10) by welding. Thereafter, the piston, the drive plates and the driven plates are disposed between the separator and the cover (10), the seal ring is contact with the separator, the separator is press-fitted into projection ends of the rivets (53), and then projection portions (53-2) of the rivets (53) are crimped.

Abstract: A bi-directional clutch assembly equipped with a pair of laterally-spaced, selectable one-way clutches configured in a compact arrangement. The bi-directional clutch assembly establishes a LOCK-LOCK mode when both SOWC's are non-actuated, establishes a FREEWHEEL mode when both SOWC's are actuated, and establishes a pair of LOCK-RATCHET mode when one SOWC is actuated and the other is not actuated. Coils units of the SOWC's are energized to shift an actuator toward active struts of an outer race. The actuator is rotationally fixed to the outer race. The active struts are biased toward the deployed position, and the actuator is biased toward the non-actuated position. The actuator includes a strut engagement feature that contacts the active struts and causes pivotal movement of the active struts to the non-deployed position.

Abstract: A first rotating shaft (22) and a second rotating shaft (43) are connected so as to be capable of transmitting rotation by engagement of a first pawl portion (38) of a piston (32) and a second pawl portion (47) of the second rotating shaft (43) based upon delivery of hydraulic oil to an oil chamber (37). The first pawl portion, when in engagement with the second pawl portion based upon the delivery of the hydraulic oil, is engaged with a third pawl portion (52) of a synchronizer ring (51) prior to the engagement with the second pawl portion. Engagement surfaces of the first and second pawl portions are formed as inclination surfaces so that a force is applied to the first pawl portion and the second pawl portion in a direction of axially moving away from each other when the rotation is transmitted between the first and second rotating shafts.

Abstract: A torque damper apparatus includes an input-side plate having a pair of side plates and rotatably driven in response to drive force from a motor, a center plate coupled to an output shaft and arranged between the pair of side plates, and an elastic transmission body provided between the input-side plate and the center plate to transmit rotary drive force of the input-side plate to the center plate. The input-side plate has, at a plate surface of at least one side plate, multiple weight attachment holes for attaching a balance weight. Each weight attachment hole is formed in a long hole shape extending along a circumferential direction at an outer edge portion of the side plate.

Abstract: A multi-pawl park lock includes a gear wheel, an actuation ring, a first pawl, a second pawl, and first and second strut rods. The first pawl includes a first tooth and the second pawl includes a second tooth. The strut rods connect the actuation ring to respective pawls. The actuation ring is arranged to rotate in a first rotational direction to rotate the first pawl about a first pawl axis and engage the first tooth with the gear wheel, and rotate the second pawl about a second pawl axis and engage the second tooth with the gear wheel, preventing rotation of the gear wheel. The actuation ring is also arranged to rotate in a second rotational direction, opposite the first rotational direction, to rotate the first pawl and disengage the first tooth, and rotate the second pawl and disengage the second tooth, permitting rotation of the gear wheel.

Abstract: A partial reverse clutch assembly comprises a frame, a coupling member, a corrugated swing body, and a cam body. The frame mounts an input gear and an output gear, and, a coupling member that is disposed between input and output gears couple the input gear to the output gear to transmit a motorized rotational drive in a first direction. The swing body is coupled between the input gear and the coupling member and comprises a projecting swing arm. The cam body abuts and defines a sliding contact between the swing body and the coupling member, where a reversal of the motorized rotational drive oppositely rotates the output gear in engagement with the swing arm in a second direction. The cam body is displaced upon contact with the swing body during the rotation in the second direction to decouple the coupling member between the input gear and the output gear.

Abstract: A freewheel has a first ring which has a first blocking contour on a first axial side and a second ring which is rotatable relative to the first ring and which has a second blocking contour on a second axial side pointing toward the first axial side of the first ring. Tiltable blocking bodies can be caused to engage into the first blocking contour and into the second blocking contour. A switching element tilts the blocking bodies. A displacement unit axially displaces the second blocking contour relative to the first ring between an active setting, which is axially approximated to the first ring, and an inactive setting, which is axially remote from the first ring and in which torque-transmitting blocking of the first ring with the second ring is prevented in any setting of the blocking bodies.

Abstract: A transmission for a drivetrain of a motor vehicle, including a transmission casing which is or can be at least partially filled with oil and wherein a parking lock is arranged, wherein the parking lock includes a parking lock gear, which is connected rotationally conjointly to a transmission shaft and which has a locking toothing, and a locking pawl, which is mounted pivotably on the transmission casing and which has a locking tooth which, when the locking pawl is pivoted into a locking position, can be placed in positive locking engagement with the locking toothing of the parking lock gear, wherein the locking pawl is actuatable by an electromechanical parking-lock actuator which is arranged within the transmission casing. The invention furthermore relates to a motor vehicle which has a transmission of the type.

Abstract: A magnetorheological fluid clutch apparatus comprises an input(s) having an input shear surface(s). An output(s) is rotatably mounted about the input for rotating about a common axis with the input, the output(s) having output shear surface(s), the input shear surface and the output shear surface separated annular space(s), with magnetorheological fluid, configured to generate a variable amount of torque transmission between the sets of input rotor and output rotor when subjected to a magnetic field. An electromagnet(s) delivers a magnetic field through the magnetorheological fluid, the electromagnet configured to vary the strength of the magnetic field, whereby actuation of the electromagnet results in torque transmission from the input to the output. A member(s) defining at least one of the shear surfaces is made of a low-permeability material.

Abstract: A one-way clutch including: a driving force input member; a driving force output member; and a driving force transmitting member, wherein, when the driving force input member performs forward rotation, the second engaging part performs forward rotation in a state of being engaged with the first engaging part, so as to connect the first ratchet engaging part and the second ratchet engaging part, in order to make the driving force output member perform forward rotation, wherein, when the driving force input member performs reverse rotation, the second engaging part performs reverse rotation in a state of being engaged with the first engaging part, so as to make the driving force transmitting member and the first ratchet engaging part perform reverse rotation so that the first ratchet engaging part is separated from the second ratchet engaging part, in order not to make the driving force output member perform reverse rotation.

Abstract: A first electric motor is coupled to a first rotating element of a first differential mechanism, and a second electric motor is coupled to a first rotating element of a second differential mechanism. A first rotating element coupling body, formed by coupling a second rotating element of the first differential mechanism and a second rotating element of the second differential mechanism with each other, is coupled to an output shaft. a second rotating element coupling body, formed by coupling a third rotating element of the first differential mechanism and a third rotating element of the second differential mechanism with each other, is coupled to a first connection/disconnection portion. A first rotating element of the first differential mechanism, the first rotating element coupling body, the second rotating element coupling body, a first rotating element of the second differential mechanism are aligned in this order on a collinear diagram.

Abstract: A vehicular parking lock mechanism includes a parking gear, a parking pole, a lock member, and a lock releasing member. The parking pole includes a first parking pole member having a meshing tooth, and a second parking pole member having a cam protrusion. When the lock releasing member is pulled in one direction, and the second parking pole member is moved to a manually released position, the cam protrusion is disengaged from a second roller of the lock member, and the meshing tooth of the first parking pole member comes out of the parking gear, so that the parking lock mechanism is released from the parking locked state.

Abstract: A driving force transmission control device includes a driving force transmission device configured to press a friction clutch by an actuator and a controller configured to control the driving force transmission device. The controller calculates a torque command value indicating a driving force to be transmitted from a rotating member on an input side to a rotating member on an output side based on information of a vehicle. The controller sets an electric current command value according to a magnitude and an amount of time change of the torque command value. The electric current command value is a target value of an electric current. The controller performs electric current feedback control such that an electric current corresponding to the calculated electric current command value is supplied to the actuator.

Abstract: A vehicle differential may have multiple gears and include a coil, a drive member movable in response to a magnetic field generated by the coil, with the drive member being movable between a first position and a second position. The drive member has an axis and includes a first body that is magnetically responsive, a second body coupled to the first body, an axis, an axially forward face and a stop surface axially spaced from the forward face, where the stop surface is arranged to limit movement of the drive member away from the first position. A lock member is engaged and driven by the forward face of the drive member to engage a gear of the differential when the drive member is in the second position, and the lock member is adapted to be disengaged from the gear when the drive member is in the first position.