Abstract: A drive force transmission device includes a clutch operatively interposed between a hub member and a drum member to selectively transmit drive power therebetween. A first rotating shaft member is coupled to the hub member to rotate with the hub member. A second rotating shaft member is coupled to a separating wall part of the drum member to rotate with the drum member. A support member rotatably supports the second rotating shaft member via a bearing. The support member includes a restriction part that restricts axial movement of an outer race of the bearing. A bottom portion of the separating wall part is a radially offset towards the bearing space with respect to a top portion of the separating wall so that the bottom portion radial overlaps with the restriction part as viewed perpendicular to a rotational axis of the drum member.

Abstract: The present disclosure provides an actuation mechanism for applying a mechanical diode clutch. The actuation mechanism includes a capsule including a cylindrical body defining an interior chamber, the cylindrical body defining a first opening at a first end and a second opening at a second end thereof. The actuation mechanism also includes a pin having a body and a radially-extending arm, the pin being retained within the interior chamber of the capsule. An apply spring is coupled at one end to the pin and a return spring is retained within the interior chamber of the capsule. The return spring is disposed between the pin on one end and the cylindrical body on the opposite end thereof. The return spring substantially surrounds the apply spring.

Abstract: A friction clutch assembly, preferably for a hybrid cooling pump. The friction clutch assembly includes a friction lining carrier member, a friction lining member, a compression spring member, a clutch carrier member and a flux plate member. A solenoid can be utilized to control the compression of the spring member. The friction clutch assembly has a preferred use in a hybrid coolant pump with two modes of operation, an electric motor operation, and a mechanical pulley-driven operation. The friction clutch assembly can be positioned inside a motor housing. The softening compression spring can minimize parasitic clutch power consumption.

Abstract: A clutch plate in an annular shape, the clutch plate includes: a plurality of lubricating grooves on one end face and the other end face of the clutch plate in an axial direction; and a plurality of windows passing through the clutch plate in the axial direction. The lubricating grooves are formed with plastic deformation, in a same phase on both the end faces, and extended up to outer peripheral edges and inner peripheral edges of both the end faces. A plurality of intersection points where the lubricating grooves intersect with each other are positioned in other areas than at least one of the outer peripheral edges, radially outer edges of the windows, radially inner edges of the windows, and the inner peripheral edges, of both the end faces.

Abstract: A clutch engagement mechanism is provided, including a rotational shaft coupled to a clutch plate to engage and disengage the clutch plate in a clutch assembly, an arm extending from the rotational shaft to apply a rotating force to the rotational shaft, and a rotational pulley coupled to a distal end of the arm so as to rotate about a point at the distal end of the arm, and to receive a clutch control cable that provides a rotating force to the rotational pulley and the rotational shaft.

Abstract: A wheel end of a vehicle includes a knuckle and a wheel and wheel hub rotatably mounted to the knuckle. A CV-joint is positioned adjacent to the wheel hub. A clutch ring is slidable between engagement with one of the wheel hub and the CV-joint or both. A pneumatic annular actuator is connected to a shift fork that is engaged with the clutch ring for movement of the clutch ring between engaged and dis-engaged. The shift fork includes a base portion and an L-shaped section. The L-shaped section includes a plurality of slots therein to allow the shift fork to deflect and pivot when a misalignment occurs between the teeth of the constant velocity joint half shaft and the clutch ring during assembly of the CV-joint to the wheel hub. The pneumatic actuator includes an elastomeric diaphragm wall that includes a compliant stop extending axially therefrom.

Abstract: A friction clutch includes a clutch boss and a pressure member that change in a relative position in a rotation direction. The clutch boss and the pressure member respectively include cam surfaces that come into contact with each other when the relative position of the clutch boss and the pressure member changes. A first damper member configured to damp a collision between the cam surfaces is provided in the friction clutch. Generation of noise due to the collision between the cam surfaces when the relative position of the clutch boss and the pressure member rapidly changes in the rotation direction is significantly reduced or prevented.

Abstract: A release device for a friction clutch, including an actuator for axially actuating the friction clutch, the actuator being designed to be hydraulically actuated by a fluid, and a support element having an integrated securing point for supporting the actuator on a clutch bell. An axial connection for the hydraulic fluid can be provided in the support element. The invention also relates to the possibility of designing the support element as a single piece with the housing of the actuator.

Abstract: A clutch device includes an input rotor, a first clutch, a second clutch, a first drive mechanism and a second drive mechanism. A first clutch is disposed switchably between a first transmitting state of transmitting power and a first blocking state of blocking power transmission. A second clutch is disposed switchably between a second transmitting state of transmitting power and a second blocking state of blocking power transmission. The first drive mechanism includes a first drive support member and the second drive mechanism includes a second drive support member. A drive clearance is configured to be produced axially between the first drive support member and the second drive support member in the first blocking state and the second blocking state. The drive clearance is less than a sum of the first stroke and the second stroke.

Abstract: A dual clutch device for a vehicle may include a drive motor provided in a motor housing, a clutch housing connected to the motor housing wherein a clutch may be provided in the clutch housing, and a cooling oil flowing unit forming a hydraulic line fluid-connecting the motor housing and the clutch housing and supplying a cooling oil to the drive motor and the clutch through the hydraulic line.

Abstract: A controllable or selectable coupling assembly having an overrun mode and a retained control element is provided. The assembly includes first and second coupling members having first and second coupling faces, respectively, in close-spaced opposition with one another. A locking member is disposed between the coupling faces of the coupling members. The locking member is movable between first and second positions. A control element is mounted for controlled movement between the coupling faces and is operable to control position of the locking member. The control element has at least one opening which extends completely therethrough to allow the locking member to extend therethrough. A retainer mechanism is operative to allow limited movement of the control element towards the first coupling face and prevent the control element from contacting the first coupling member in the overrun mode thereby reducing spin losses when the assembly is disengaged.

Abstract: A coupling and control assembly includes a coupling subassembly and a control subassembly integrated with the coupling subassembly. The control subassembly has a reciprocating member and actuators operatively connected to the reciprocating movement for controlled reciprocating movement therewith to move or pivot respective struts received within pockets of a coupling member of the coupling subassembly. The reciprocating member converts a pressure of a working fluid at its working face to move linearly together with the actuators from its first position which corresponds to a first operating mode of the coupling subassembly to its second position which corresponds to a second operating mode of the coupling subassembly.

Abstract: A power transfer unit for transferring a torque comprising a first shaft configured to receive the torque from a first device, a second shaft configured to output the torque to a second device, and an activating assembly for selectively transferring the torque from the first shaft to the second shaft. The activating assembly includes a sliding cam, a rotating cam, an actuator configured to selectively rotate the rotating cam relative to the sliding cam, and an engaging gear. The gear is configured to be moved by the sliding cam between a first engaged position where the torque is transferred from the first shaft to the second shaft through the gear and a second disengaged position where no torque is transferred to the second shaft. Relative rotation between the rotating earn and the sliding cam moves the sliding earn thereby moving the gear between the first engaged and second disengaged position.

Abstract: The present invention relates to a mechanical system with a one-way clutch, for example a pulley for a motor vehicle alternator, comprising a first element and a second element which are able to move one with respect to the other in rotation about a central axis and delimit an annular housing radially to the central axis, a one-way clutch device arranged in the annular housing, and at least one rolling bearing arranged in the annular housing. The mechanical system is characterized in that the rolling bearing comprises at least one pressed ring distinct from the constituent elements of the one-way clutch device. The invention also relates to an alternator comprising such a mechanical system configured as a pulley with a one-way clutch.

Abstract: A damper for a torque converter includes a first clutch arranged for selective engagement with a cover for the torque converter, a first spring, a second spring, and a first plate drivingly engaged with the first spring and the second spring. The damper also includes a second plate and a third plate. The second plate is axially displaceable relative to the first plate, drivingly engaged with one of the first or the second spring, and arranged for fixing to a turbine for the torque converter. The third plate is axially displaceable relative to the first and second plates, fixed to the first clutch, and drivingly engaged with the one of the first or second spring.

Abstract: Disclosed is an electrically controlled silicon oil fan clutch rotary valve device. The valve device is based on a magnetic mandrel, including a Y-shaped element, a driven disc, a driving disc, and a guide disc intercombined, which achieves control over flow of silicon oil by controlling rotation of a valve, and achieves precise control over positions by resetting through a reset torsion spring and using outer teeth and inner teeth of the driving disc and the driven disc as well as a stop device. In the present invention, the valve may be controlled to be stable at an appropriate position through the size of the current of the coil, so as to achieve a stepless speed and achieve a purpose of precisely controlling the clutch.

Abstract: Apparatus directed to the art of disengaging an input from an output at predetermined torque values. A torque limiting clutch capable of use as a solid drive unit and a torque limited unit for which the torque disengagement value is selectable. The torque limiting clutch has an overload assembly and a torque drive mechanism which may comprise a plurality of drive pins. Additionally, the torque limiting clutch may comprise seals to discourage contaminants from entering the clutch.

Abstract: A coolant pump includes a drive wheel, a driven wheel, and a coupling-control pump. The driven wheel is connected to a coolant impeller and coupled by a variable degree to the drive wheel, the degree of coupling responsive to an amount of fluid confined between the drive wheel and the driven wheel. The coupling-control pump is configured to change the amount of fluid confined between the drive wheel and the driven wheel based on a variable control signal.

Abstract: A hand-held machine tool includes a gear unit and a torque clutch that has a torque-limiting coupling allocated to the gear unit and that is assigned at least one spring element which is clamped between a limit-transfer element and a spring-holding element, and which is designed to apply a predefined spring force to the limit-transfer element axially in the direction of the torque-limiting coupling. The spring-holding element includes at least one opening, through which the at least one spring element reaches, at least sectionally.

Abstract: A torque converter includes a cover, a piston plate, a first damper, a pendulum plate, and a drive plate. The cover forms at least a portion of a housing for the torque converter. The piston plate includes a friction surface for clutching engagement with the cover. The first damper includes a first elastic member and a first flange drivingly engaged with the first elastic member. The pendulum plate is axially disposed between the piston plate and the first flange and includes first slots arranged for supporting a pendulum mass. The drive plate includes a first portion fixed to the piston plate and an axial tab extending through the pendulum plate to engage the first flange.