Abstract: A rotating shifting element arrangement for an automatic transmission of a vehicle, having a cylinder element (2), is proposed, in which an actuating piston (3) for actuating a shifting element (1) is arranged in an axially movable way, a compensating cavity (4) of the shifting element (1) being provided by way of the actuating piston (3) and an oil dam (5), and wherein the oil dam (5) is fixed radially outside the piston face (6) of the actuating piston (3).

Abstract: An isolating decoupler comprising a hub, a pulley journalled to the hub, a torsion spring having a first torsion spring end welded directly to the hub, a wrap spring having a first wrap spring end welded directly to a second torsion spring end, a wrap spring outer surface fictionally engaged with a pulley inner surface, and a wrap spring second end temporarily engagable with the torsion spring first end whereby the frictional engagement between the wrap spring outer surface and the pulley inner surface is progressively released as a torque load increases.

Abstract: A drive assembly including a wedge clutch assembly is disclosed. The wedge clutch assembly includes a first cage having a first plurality of tapered crossbars that at least partially define a plurality of tapered wedge pockets. A plurality of wedges are each arranged within a respective one of the plurality of wedge pockets and within a circumferential groove of one of an outer ring or an inner ring. The plurality of wedges each including a ramped surface facing a corresponding one of a plurality of ramps defined in the outer ring or inner ring. Movement of the first plurality of tapered crossbars in a first axial direction or a second axial direction circumferentially drives the plurality of wedges into contact with the circumferential groove such that an input drive gear drives an output.

Abstract: A machine tool for detecting a brake failure more reliably in a mechanism that stops the rotation of a vertical shaft by at least two brakes includes a ball screw extended in a vertical direction, a driving motor that rotates the ball screw, a movable part that vertically moves along the ball screw in accordance with the rotation of the ball screw driven by the driving motor, at least two brakes that prevent a fall of the movable part while power supply to the driving motor is stopped, a brake controller that releases at least one of the at least two brakes while power supply to the driving motor is stopped, and a detector that detects presence/absence of a fall of the movable part or a fall distance of the movable part resulting from the release of the at least one brake, thereby detecting a trouble of an unreleased one of the at least two brakes.

Abstract: A one way clutch with an integrated spring is disclosed. The assembly includes an inner ring and an outer ring, one of which has a ramped portion. A cage defines a plurality of rolling element pockets, and includes first and second sidewalls each having an integrated tab. Rolling elements are biased by the integrated tabs toward both the inner and outer rings. The force angle of the integrated tabs is calibrated for a predetermined application.

Abstract: A dog clutch comprises first (160) and second (170) drive shafts, the drive shafts being connectable to one another by a dual spline connector (150). The dual spline connector is movable along a longitudinal axis of the first (160) and second (170) drive shafts and is provided with an internal spline that mates with an external spline of the first drive shaft. The dual spline connector is further provided with an external spline that upon axial movement may be connected or disconnected to an internal spline of the second drive shaft. Either or both of the external spline of the dual spline connector and/or the internal spline of the second drive shaft is or are provided with means for allowing partial connection of the internal and external splines.

Abstract: A bicycle hub assembly includes a hub shell including a braking surface. A coaster brake shoe is accommodated in the hub shell and cooperates with the braking surface to generate braking force. A motor is accommodated in the hub shell and configured to be controlled for at least changing or maintaining a gear ratio.

Abstract: A friction clutch assembly for an automatic transmission is provided. The friction clutch assembly is configured to move between an applied position and a released or disengaged position. A plurality of clutch plates may include friction plates and interleaved reaction plates, plus an apply plate and a backing plate. A separator feature is disposed adjacent to at least one of the reaction plates, the friction plates, the apply plate, and the backing plate. At least one of the reaction plates, the friction plates, the apply plate, and the backing plate defines a passage configured to allow fluid to flow through the friction clutch assembly and around the separator feature.

Abstract: A rotary device assembly is provided and includes an input shaft coupled to a torque generating device, an output shaft and a rotary device disposed to transmit first torque from the input shaft to the output shaft and configured with no-back capability to prevent second torque applied to the output shaft from being transmitted to the input shaft in an event the second torque deceeds a torque-limiting threshold and the no-back capability and torsional lock-up capability to prevent an overload of the torque generating device in an event the second torque exceeds the torque-limiting threshold.

Abstract: A silent hub structure includes a hub housing, an interlocking ring, a detent ring and a cassette base. The interlocking ring is installed inside the hub housing and has a central through-hole slot therein through which a detent ring is rotatably disposed therethrough. The through-hole slot is internally and circumferentially provided with a plurality of receiving grooves recessed at an equal distance therebetween on the internal wall. Each of these receiving grooves is disposed with a metal roller pin along the axial direction. The forward-rotating direction side of every receiving groove forms a clamping portion; a magnetic member is disposed in the interlocking ring near the clamping portion of each of the receiving groove separately, whereas the backward-rotating direction side of every receiving groove forms a releasing portion.

Abstract: A joint structure includes a clutch unit interposed between a shaft joint and a shaft body which is one of an output shaft of a speed increaser and an input shaft of a power generator. The clutch unit includes: a shaft coupling portion rotating integrally with the shaft body; a joint coupling portion rotating integrally with the shaft joint; and a one-way clutch provided between the shaft coupling portion and the joint coupling portion. The one-way clutch makes a connection integrally rotatably between the shaft coupling portion and the joint coupling portion in a state in which a rotation speed of the output shaft is higher than that of the input shaft, and releases the connection between the shaft coupling portion and the joint coupling portion in a state in which the rotation speed of the output shaft is lower than that of the input shaft.

Abstract: A multi-mode clutch system (10) may include a cam slider (66) operatively associated with an actuator (82). A first cam profile (70) and a second cam profile may both be operatively associated with the cam slider (66). A first pawl (26) may be operatively associated with the first cam profile (70) and a second pawl may be operatively associated with the second cam profile (74) wherein the first cam profile (70) selectively acts on the first pawl (26), the second cam profile (74) selectively acts on the second pawl (30), and the multi-mode clutch system (10) is configured to allow multiple modes of operation between the first and second pawls (26, 30) and an inner race (14) according to different actuator (82) positions.

Abstract: In order to provide a hydraulic actuating system for actuating a parking lock of a motor vehicle, which hydraulic actuating system manages with as few components as possible which are simple, robust, relatively insusceptible to faults and inexpensive, with a simultaneously low installation space requirement, and the hydraulic layout of which hydraulic actuating system makes a simple actuation and a simple movement possible for locking and unlocking the parking lock, it is provided that a pumping device which can operate bidirectionally with a locking delivery direction and with a releasing delivery direction is used as pumping device, and check valves are arranged in the hydraulic circuit in such a way that, by way of actuation of the pumping device in the locking delivery direction, the parking lock moves into the locked position and, upon actuation of the pumping device in the releasing delivery direction, the parking lock moves into the released position.

Abstract: A hydrokinetic torque-coupling device for coupling driving and driven shafts. The torque-coupling device includes a casing, an impeller wheel and a turbine wheel hydrodynamically drivable by the impeller wheel, and a lock-up clutch. The lock-up clutch includes a lockup piston axially movable toward and away from the casing, a first disc carrier non-movably secured to the casing, a second disc carrier radially offset from the first disc carrier and drivingly coupled to the turbine wheel, at least one drive disc non-rotatably and axially movably mounted to the first disc carrier, at least one driven disc non-rotatably and axially movably mounted to the second disc carrier and disposed adjacent to the at least one drive disc so as to define a clutch pack, and a clutch biasing spring disposed between the casing and the clutch pack so as to bias the clutch pack toward the lockup piston.

Abstract: A clutch system includes a friction clutch and a ramp system. The friction clutch is a multiplate clutch, for example, for transmitting a torque between a torque-introducing element (i.e., an engine drive shaft) and a torque-discharging element (i.e., a transmission input shaft). The ramp system includes an input ramp, an output ramp, a pilot clutch, an actuation element, and a freewheel. The output ramp is rotatable relative to the input ramp to change an axial extent of the ramp system. The pilot clutch is for initiating rotation of the input ramp relative to the output ramp when there is a differential speed between the torque-introducing element and the torque-discharging element. The actuation element is for actuating the pilot clutch.

Abstract: A torsion damper with at least one torque input disk and at least one torque output disk, wherein the torque input disk can move in circumferential direction relative to the torque output disk against the force of at least one spring storage, wherein the relative movement is damped by a friction device which generates a smaller friction torque in a first swivel angle range than in a second swivel angle range in that the friction device has at least two friction ring pairs which are rotatable opposite one another and which are activated depending on the swivel angle via a driving connection of at least one friction ring with the torque input disk. The driving connection has a spring element which is arranged functionally in series with the friction device and functionally in parallel with the spring storage.

Abstract: A dynamic vibration absorbing device inhibits fluctuations in rotational velocity of a rotary member. The dynamic vibration absorbing device includes a tubular member having an annular shape, the tubular member including a slit extending in a circumferential direction. The dynamic vibration absorbing device also includes at least one elastic member disposed inside the tubular member, the at least one elastic member disposed to be non-rotatable relatively to the tubular member. In addition, the dynamic vibration absorbing device includes a support member including an attachment part, a support part and a coupling part, the attachment part attachable to the rotary member, the support part disposed inside the tubular member, the support part disposed to be rotatable relatively to the tubular member, the coupling part coupling the attachment part and the support part through the slit.

Abstract: A lock-up device includes a clutch disc, a piston, a temperature detection member and a gap adjustment mechanism. The clutch disc is disposed between a front cover and a turbine. The piston is disposed in opposition to the front cover through the clutch disc so as to be movable in an axial direction, and presses the clutch disc toward the front cover. The deformation amount of the temperature detection member is adjusted in accordance with surrounding temperatures. In accordance with the deformation amount, the gap adjustment mechanism adjusts a gap between the front cover and the piston to be a first gap at a first temperature. Further, in accordance the deformation amount, the gap adjustment mechanism adjusts the gap between the front cover and the piston to be a second gap narrower than the first gap at a second temperature higher than the first temperature.

Abstract: In an aspect, a decoupler includes a hub, a pulley, a torsion spring, a first spring driver fixed to the pulley, and having a first stop feature for the spring; a second spring driver mounted about the hub and not fixed to the pulley, and having a second stop feature for the spring, a driving clutch shaft mounted connected to the second spring driver, a driven clutch shaft mounted concentrically with the driving clutch shaft and drivingly connected to the hub, a one-way wrap spring clutch mounted about the hub and disposed to interconnect the driving and driven clutch shafts, and configured to transfer torque in a first direction between the driving and driven clutch shafts, and an axial biasing member acting between one of (i) the pulley and the driving clutch shaft and (ii) the hub and driven clutch shaft, to urge the driving and driven clutch shafts together.

Abstract: A clutch may include a hub configured to be constrained to a rotation shaft; a sleeve configured to be straight slidably disposed on an external circumferential surface of the hub; a clutch gear configured to be disposed to be relatively rotatable with respect to the rotation shaft; a first friction ring configured to be mounted between the clutch gear and the hub; a key configured to be mounted between the sleeve and the hub; and a displacement changing portion configured to change a relative rotation displacement of the first friction ring with respect to the hub to an axial linear displacement of the first friction ring.