| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 192660310 | Spring engaged | 27 |
| 20100126820 | FRICTION CLUTCH, VEHICLE EQUIPPED WITH THE SAME, AND ASSEMBLY METHOD OF FRICTION CLUTCH | 05-27-2010 |
| 20110127136 | CLUTCH MECHANISM - A clutch mechanism includes a pulley, an armature, an electromagnet, a plate spring, and a damper. The armature is joined to the pulley in a direction of a rotation axis. The electromagnet generates attracting magnetic force, which attracts the armature in a joining direction. The plate spring generates resilient force, which urges the armature in an opposite direction from the joining direction. The damper includes an impact mitigation part mitigating an impact when the armature collides with the pulley. The pulley, the armature, the damper, and the plate spring are arranged in this order in the direction of the rotation axis. The damper includes a contact portion in contact with part of the armature in the direction of the rotation axis. The plate spring includes a pressing part pressing the contact portion on the armature both at time of joining and at time of unjoining between the armature and the pulley. | 06-02-2011 |
| 20110147157 | RING SHAPED AXIAL WEAR COMPENSATION DEVICE - A wear compensating device, including: at a first axial end, an annularly-shaped base element; an index trigger element connected to the base element; a first annularly-shaped element, at least partially rotatable with respect to the base element, engaged with the index trigger element, and at least partially rotatable with respect to the index trigger element; and at a second axial end, opposite the first axial end, a second annularly-shaped element with a first ramp, the second annularly-shaped element engaged with the first annularly-shaped element and rotatable with respect to the first annularly-shaped element. In response to a specified amount of displacement by a portion of the index trigger element, the first and second annularly-shaped elements are rotatable to change a circumferential position of the first ramp. | 06-23-2011 |
| 20110272236 | CLUTCH DEVICE - There is provided a clutch device in which a half clutch range can be set at a wide range and in which smoothness and quickness in the disconnection of the clutch can be dramatically improved and in which a shift operation can be performed smoothly and quickly. | 11-10-2011 |
| 20120031726 | MODULAR CLUTCH ASSEMBLY - A modular clutch assembly ( | 02-09-2012 |
| 20120067688 | CLUTCH ASSEMBLY FOR HYBRID TRANSMISSION - A fully contained, drop-in clutch assembly, which includes a clutch cover which has slots, a moveable pressure plate with radially outwardly directed tabs that engages the slots of the clutch allowing axial movement, a fixed pressure plate which is fastened to the clutch cover by fastening elements, a clutch disc disposed between the movable pressure plate and the fixed pressure plate, and a diaphragm spring. By fastening the fixed pressure plate to the clutch cover, the clutch assembly is fully contained, allowing easy assembly to transmission housing and a flexplate. | 03-22-2012 |
| 20120186930 | SUPPORTING AND DRIVING ASSEMBLY FOR A BLADE CARRIER DISC OF A ROTARY MULTIPLE-DISC MOWING MACHINE | 07-26-2012 |
| 20120199435 | CLUTCH COVER ASSEMBLY - It is an object of the present invention to inhibit degradation in stiffness of a clutch cover in a type of a clutch cover assembly supporting a diaphragm spring by tabs formed using a part of the clutch cover, and thereby, to prevent unsmooth decoupling of a clutch. The clutch cover assembly includes a clutch cover, a pressure plate and a diaphragm spring. The clutch cover is allowed to be fixed to a flywheel and includes an annularly continued inner peripheral edge. The clutch cover includes a circular opening in its center part and plural tabs between its inner and outer peripheries. Each tab is bent towards the flywheel and further towards the clutch cover outer periphery. The pressure plate holds a friction plate with the flywheel for interposing the friction plate therebetween. The diaphragm spring is supported by the clutch cover tabs. | 08-09-2012 |
| 20120241280 | MULTI-DISC FRICTIONAL ENGAGEMENT MECHANISM - A multi-disc frictional engagement mechanism includes a plurality of driven plates and drive plates, a hydraulic piston, a spring which comes into contact with a pressure receiving portion of the hydraulic piston, an oil chamber which causes a hydraulic pressure to act on the pressure receiving portion, and a lock mechanism which restricts a movement of the hydraulic piston in a coupling direction toward the driven plates and the drive plates in a state where the hydraulic pressure is supplied to the oil chamber, the spring is compressed by the pressure receiving portion and the driven plates and the drive plates are not coupled. | 09-27-2012 |
| 20120318628 | CLUTCH UNIT - A clutch unit having a pressure plate via which, as a result of axial displacement, a clutch disc which bears friction linings can be pressed against a pressure plate to form a frictionally engaging connection, wherein the axial displacement of the pressure plate can be effected by means of an axial displacement of a lever spring plate which has a circular outer circumference and which bears against one or more protuberances arranged annularly on a surface, which faces toward the lever spring plate of the pressure plate so as to be spaced apart radially from the outer edge thereof, and wherein the pressure plate has, radially at the outside on that side thereof which faces towards the lever spring plate, an annular, axially projecting edge. At least three radial projections which are spaced apart in the circumferential direction are arranged on the radially inner wall of the axially projecting edge. | 12-20-2012 |
| 20130008757 | CLUTCH DEVICE - The clutch device includes, a right pressure flange that brings clutch discs provided on a clutch outer and clutch plates provided on a clutch inner into pressure contact with one another. A pressure ring that moves the right pressure flange with an external force and a clutch spring transmits the force toward a clutch connected position, from the pressure ring to the right pressure flange. Further, a return spring between the clutch inner and the right pressure flange urges the right pressure flange toward a clutch disconnected position. The clutch spring and the return spring are disposed parallel to a clutch axial direction, their respective positions overlapping each other in the clutch axial direction. | 01-10-2013 |
| 20130092497 | FRICTION CLUTCH DEVICE - A friction clutch device, in particular for a drive train of a motor vehicle which is driven by internal, combustion engine, having a rotational axis, a housing, at least one pressure plate which can be displaced in the direction of the rotational axis relative to the housing for an actuation, and a spring device for loading the at least one pressure plate, in which friction clutch device the spring device has a first element for generating a pressure force which acts on the at least one pressure plate, and a second element which is separate structurally from the first element for transmitting an actuating force, in order to improve the friction clutch structurally and/or functionally. | 04-18-2013 |
| 20130140125 | CLUTCH COVER ASSEMBLY - A clutch cover assembly is equipped with a clutch cover that is fixed to a flywheel, a pressure plate, a fulcrum ring, and a ring movement regulating mechanism. The pressure plate is for pressing a friction member against the flywheel and is coupled to the clutch cover in such a way as to be relatively non-rotatable with respect to the clutch cover. The fulcrum ring is placed on the pressure plate and moves in a direction away from the pressure plate in accordance with the wear-amount of the friction member. The ring movement regulating mechanism regulates the movement of the fulcrum ring in the direction away from the pressure plate when the rotational speed of the pressure plate has exceeded a predetermined rotational speed. | 06-06-2013 |
| 20130140126 | CLUTCH COVER ASSEMBLY - A clutch cover assembly is equipped with a clutch cover that is fixed to a flywheel, a pressure plate, a diaphragm spring, an wear-amount detecting mechanism, and a wear tracking mechanism. The wear-amount detecting mechanism has a contact member, an opposing member, and a wedge member. The contact member is attached to the pressure plate and is in contact with the flywheel. The opposing member is attached to the contact member and opposes the pressure plate. The wedge member fits between the opposing member and the pressure plate and moves in a circumferential direction in accordance with the wear-amount of a friction member. The wear tracking mechanism moves the pressing member to an initial posture side in accordance with the amount of movement of the wedge member. | 06-06-2013 |
| 20130248316 | FRICTION CLUTCH WITH ADJUSTING DEVICE - A friction clutch with a back-pressure plate, which is connected to a housing so as to rotate with it, and a pressure plate, which is received by leaf springs such that it can be displaced axially and is fixed with respect to the back-pressure plate so as to rotate with it and which is prestressed by a disc spring to a preset operating point with friction linings clamped in between, and an adjusting device, for adjusting a changing operating point by a ramp ring which is distributed in the circumferential direction and over the circumference, is received on the pressure plate on complementary mating ramps of the pressure plate and is rotated by a spindle device depending on a change in the operating point, and a sensing device which detects a change in the operating point and controls the spindle drive. | 09-26-2013 |
| 20140060993 | FRICTION DAMPER FOR A TRANSMISSION CLUTCH - A clutch assembly includes a hub rotatable about an axis and at least partially surrounding a cavity, a damper ring within the cavity, able to revolve about the axis, rotatable relative to the hub, a spring, a friction disc, forced elastically by the spring into contact with the damper ring, and a second friction disc contacting the damper ring and providing a reaction to the force of the spring. | 03-06-2014 |
| 20140069763 | TRANSMISSION AND A CLUTCH ASSEMBLY FOR A VEHICLE - A transmission and a clutch assembly for a vehicle are disclosed. The clutch assembly includes a housing defining a cavity presenting an interior surface. The interior surface defines a pocket along a longitudinal axis. The clutch assembly further includes a piston disposed in the pocket and movable between an initial position and a final position relative to the pocket along the longitudinal axis. The piston includes a plurality of flanges extending outwardly away from the longitudinal axis. The clutch assembly also includes a biasing member attached to the interior surface of the housing and engaging the piston to continuously bias the piston toward the initial position. The biasing member abuts the flanges of the piston to prevent rotation of the piston about the longitudinal axis as the piston moves between the initial and final positions along the longitudinal axis. | 03-13-2014 |
| 20140131161 | FRICTION CLUTCH WITH ADJUSTING DEVICE - A friction clutch, for example, a dual clutch, having traction mode and power take-off, with a pressure plate that is axially pre-stressed, applying a load to a cup spring, against an opposing pressure plate while tensioning friction linings of a clutch plate, the pressure plate being displaceable against the effect of the cup spring by means of pressure levers distributed along the periphery that are rotatably arranged by means of first pivot joints on knee levers that are axially stressed by a disengaging mechanism and have a specifiable axial distance relative to the disengaging mechanism, and means for adjusting the axial distance. In order to achieve a constant transmissibility of the existing torque in traction mode over the service life when there is wear of the friction linings, an automatic adjusting device is provided in series with the adjusting screws between the pressure levers and the pressure plate. | 05-15-2014 |
| 20140158492 | COMPRESSION SPRING MEMBERS - Compression spring members, particularly for friction clutch assemblies. The compression spring members include a plurality of deformable members and where the amount of force necessary to compress the spring member lessens over displacement once a peak amount of force is reached. The compression spring members can comprise a plurality of buckling beam spring members, a plurality of connecting members, or the like. One or more ring members can be provided for attachment to the connecting members. The friction clutch assembly is preferably used for a hybrid coolant pump with two modes of operation, an electric motor operation and a mechanical pulley-driven operation. | 06-12-2014 |
| 20140174872 | Friction Clutch For Accessory Drive - A fail-safe friction clutch assembly for a vehicle accessory, particularly to drive a vehicle cooling pump or cooling fan. The friction clutch assembly includes a friction plate member connected to a central rotatable shaft member used for operating the vehicle accessory. A pair of friction lining members arc positioned on opposite sides of the friction plate member. An armature member is spring biased to axially force the friction plate member and friction lining member against a housing or cover which is rotating at input speed. A solenoid assembly is used to overcome the spring bias and pull the armature and friction plate member away from the housing. | 06-26-2014 |
| 20140182993 | CENTRIFUGAL PENDULUM AND CLUTCH DISC HAVING THE LATTER - A centrifugal pendulum and a clutch disk with a pendulum flange provided thereon, rotational about an axis of rotation, and several pendulum weights distributed over the circumference and received on the pendulum flange in a pivotal fashion. In order to at least reduce noise development due to mass momentum of inertia acting here caused by the centrifugal pendulum, the pendulum flange is received on a rotational part, rotating on an axis of rotation, and a friction clutch is effectively arranged between the pendulum flange and said part. | 07-03-2014 |
| 20140284165 | CAM HARD STOP FOR END OF LIFE - A dry friction clutch is provided having an innovative baffle design wherein the baffle has a tab that sets the limit for maximum adjustment of an adjustment mechanism of the dry clutch. | 09-25-2014 |
| 20140353108 | CLUTCH AND STRADDLE-TYPE VEHICLE WITH THE SAME - 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. | 12-04-2014 |
| 20140367215 | Clutch Arrangement - A clutch arrangement for a drivetrain of a vehicle comprises a first friction surface, a second friction surface and a pressing element. The first and second friction surfaces are arranged to be movable relative to each other along an axis of rotation of the clutch arrangement. The first and second friction surfaces are formed that they can be brought into a frictional engagement with each other to make a torque transmittable from the first friction surface to the second friction surface. One of the first and the second friction surfaces is arranged at a component part. The pressing element comprises a spring structure and is configured to produce or sever the frictional engagement upon actuation by causing a force along the axis of rotation. The spring structure is configured and arranged to at least partially cause the force on the component part through a change in shape. | 12-18-2014 |
| 20150041275 | Clutch Device - A clutch device is provided which facilitates an operation of checking whether or not spring seats have been properly disposed and effectively prevents falling off or a change in attitude of the spring seats, thereby reducing the labor required for manufacture. A clutch device | 02-12-2015 |
| 20150337907 | ACTUATING DEVICE FOR A CLUTCH, CLUTCH, ELECTRIC DRIVE MODULE AND METHOD FOR INSTALLING A CLUTCH - The present invention relates to an actuating device for a clutch having a stator device, a rotor device which is rotatable in relation to the stator device and a carriage device which is movable to a limited extent in an axial direction in relation to the rotor device and which supplies tensile and thrust forces, which is operatively connected to a push-pull device that is designed to exert tensile and thrust forces on a lever element of the clutch, where the push-pull device has at least one pull element and at least one push element, between which the lever element can be accommodated, and which are connectible to one another, as well as to a clutch having an actuating device, an electric drive module having a clutch, and a method for installing a clutch having an actuating device. | 11-26-2015 |
| 20160160939 | RELEASE MECHANISM - A release mechanism includes a clutch, a bearing, a hydraulic actuator, and a return spring. The clutch transmits a torque between an input-side rotational member and an output-side rotational member by pressing the pressure plate against a clutch disc by an elastic force of a diaphragm spring. The bearing transmits a load in a direction in which a pressure plate is separated from the clutch disc. The bearing is placed on an outer peripheral side of the hydraulic actuator in a radial direction of the output-side rotational member. The hydraulic actuator transmits, to the bearing, a load to separate the pressure plate from the clutch disc. The return spring, the hydraulic actuator, and the bearing are placed so as to overlap with each other in an axis direction of the output-side rotational member. The return spring is placed on an outer peripheral side of the bearing. | 06-09-2016 |
