Class / Patent application number | Description | Number of patent applications / Date published |
192700120 | With means to cool or lubricate clutch parts | 44 |
20080264749 | Transmission Module for an Engine-Transmission Unit, Especially for Motor Vehicles - The invention relates to a transmission module ( | 10-30-2008 |
20080264750 | STARTING CLUTCH APPARTUS - The present invention provides a starting clutch apparatus disposed between a transmission and an engine of a vehicle and including a wet type multi-plate clutch for transmitting a power, in which the starting clutch apparatus includes a starting clutch having a clutch drum within which the wet type multi-plate clutch is housed and a damper device engaged by the clutch drum, and grease of urea group is contained in the damper device. | 10-30-2008 |
20080277232 | LUBRICATION CONTROLLING METHOD FOR STARTING CLUTCH - The present invention provides a lubrication controlling method for a starting clutch including a wet type multi-plate clutch disposed between a transmission and an engine of a vehicle and adapted to transmit a power, the method comprising the steps of always supplying lubricant oil during an operation of the wet type multi-plate clutch, continuously changing a flow amount of the lubricant oil in accordance with a condition of the wet type multi-plate clutch, and controlling the amount of the lubricant oil so that a supplying amount of the lubricant oil during an idle rotation of the wet type multi-plate clutch becomes greater than a supplying amount of the lubricant oil during the complete engagement of the wet type multi-plate clutch. | 11-13-2008 |
20080308378 | Coupling device - Cooling oil is fed to a second oil space formed on the inner circumferential side of a hub member, and is also fed through a bypass oil passage to a first oil space formed on the outer circumferential side of a drum member. When the friction plates rotate, with grooves in the friction pads attached to the inner friction plates, the cooling oil flows by inertial force through oil holes in the hub member and through oil holes of the drum member, from the first oil space to the second oil space, and from the second oil space to the first oil space, respectively, through the friction plates. Accordingly, the flow of the cooling oil to the friction plates is improved without notches, etc. in the outer friction plates or in the inner friction plates, resulting in an improvement in cooling of the coupling device. | 12-18-2008 |
20090008207 | Torque Transmission Apparatus - A torque transmission apparatus includes first and second torque transmission members | 01-08-2009 |
20090032356 | TORQUE-TRANSMITTING DEVICE HAVING A DIMPLED FRICTION PLATE - A clutch including a reaction plate configured to exert a compression force. The clutch further includes a friction plate having a surface opposing the reaction plate. A friction material layer has a first surface attached to the surface of the friction plate, and a second surface opposing the reaction plate. The second surface of the friction material layer has a plurality of dimples formed therein. Further, a lubrication fluid is disposed between the reaction plate and the friction material layer for transferring the compression force and providing a lubrication layer between the reaction plate and the friction plate. | 02-05-2009 |
20090038905 | Wet clutch - A wet clutch having friction surfaces, where at least one friction surface consists of a porous friction lining with essentially flat surface placed on a supporting part. In order to achieve better cooling of the friction lining and supporting part and of the opposing friction surface by means of cooling oil pressed through the porous friction lining under pressure, the friction lining is provided with at least one cut-out. | 02-12-2009 |
20090050431 | STARTING CLUTCH APPARATUS - The present invention provides a starting clutch apparatus comprising a damper device connected to an output member of an engine, a wet type multi-plate clutch housed in a housing, a piston for pressing the wet type multi-plate clutch to tighten the clutch, and an output member connected to an input shaft of an automatic transmission and wherein an output of the engine is connected to or disconnected from the input shaft of the automatic transmission by engaging or disengaging the wet type multi-plate clutch, and further wherein the damper device includes a damper output portion engaged by an outer diameter portion of the housing. | 02-26-2009 |
20090057088 | STARTING CLUTCH APPARATUS - The present invention provides a starting clutch apparatus comprising a damper device connected to an output member of an engine, a wet type multi-plate clutch housed in a housing, a piston for pressing the wet type multi-plate clutch to tighten the clutch, and an output member connected to an input shaft of an automatic transmission and wherein an output of the engine is connected to or disconnected from the input shaft of the automatic transmission by engaging or disengaging the wet type multi-plate clutch, and further wherein the housing is provided with a discharge oil path through which oil which lubricated the wet type multi-plate clutch is returned toward the automatic transmission. | 03-05-2009 |
20090065320 | Coupling assembly - A coupling assembly for use in transmitting force includes a housing which at least partially encloses a rotatable disc. The housing has a plate portion with an annular force transmitting surface which is engagable with the rotatable disc. A cooling fluid channel is at least partially defined by a side of the plate portion opposite from the force transmitting surface. A plurality of projections extend into a path of flow of cooling fluid through the cooling fluid channel. A cooling fluid inlet includes a passage having a portion with a large cross section connected in fluid communication with a radially outer portion of the cooling fluid channel. A portion of the inlet passage having a small cross section is connected in fluid communication with a radially inner portion of the cooling fluid channel. Ribs extend across the radially inner and outer portions of the cooling fluid channel. | 03-12-2009 |
20090114498 | Clutch unit including a wet clutch - A clutch unit for use in the drive train of a motor vehicle between a drive unit and a transmission including at least one transmission input shaft. The clutch unit includes at least one wet clutch device that is provided with a plurality of clutch elements, in particular clutch discs, that are at least partially wetted by a coolant such as oil. The coolant carries away frictional heat that is generated by slippage between adjacent clutch discs during certain vehicle operating conditions. The heat absorbed by the clutch coolant is cooled by heat transfer from the coolant to a cooler that surrounds the clutch unit. | 05-07-2009 |
20090127056 | MULTI-PLATE CENTRIFUGAL CLUTCH AND VEHICLE EQUIPPED WITH THE SAME - A centrifugal clutch for a vehicle includes a clutch housing having friction plates, a clutch boss having clutch plates, a pressure plate, and roller weights that press the pressure plate in a direction such that the friction plates and the clutch plates are brought into frictional contact with each other when the roller weights receive a centrifugal force. The vehicle power unit includes a main shaft which has an oil supply passage formed therein. The clutch includes a first oil supply path that supplies oil via the oil supply passage to the friction and clutch plates. The clutch includes a second oil supply path that supplies oil via the oil supply passage to the roller weights. The first and second oil supply paths are formed individually to allow independent adjustment of oil supply to each path. | 05-21-2009 |
20090188767 | HYDRAULIC SYSTEM OF A CLUTCH OF A MOTOR VEHICLE TRANSMISSION - A hydraulic system for a clutch has a pump conveying a hydraulic fluid stream via a heat exchanger to a controllable hydraulic valve which divides the hydraulic fluid stream into a first part stream and a second part stream. The first part stream flows to a reservoir via friction linings of the clutch and the second part stream flows to the reservoir via a hydraulic path bypassing the friction linings. The hydraulic system is set up for upgrading a cooling of the clutch by increasing the first part stream at the expense of the second part stream and for reducing the cooling of the clutch by increasing the second part stream. The system is set up for temporarily upgrading the cooling of the clutch in the event of a changeover of torque transfer from transfer via a first part transmission to transfer via a second part transmission of the transmission. | 07-30-2009 |
20090211866 | HYDRAULIC CONTROL FOR A DUAL CLUTCH TRANSMISSION - A double clutch gearbox which has a first volume flow valve for actuating a first clutch, which is arranged downstream, a second volume flow valve for actuating a second clutch which is arranged downstream, and a first hydraulic power source for supplying the volume flow valves and the clutches with a system pressure. In order to provide an improved double clutch gearbox, the clutches have a fluid cooling means which is arranged downstream of the first volume flow valve. | 08-27-2009 |
20090211867 | WET CLUTCH FRICTION PLATE AND MULTIPLE DISC FRICTION CLUTCH APPARATUS - A wet clutch friction plate comprises a metal plate connected to a driving side, friction material layer(s) fixed to one or both side surface(s) thereof. A discharge groove is formed on one of the friction material layers and has an inclination against the direction of rotation from the inner peripheral side toward the outer peripheral side, for discharging lubricating oil from the inner peripheral side to the outer peripheral side, and an inflow groove is formed on the same or other friction material layer to face the discharge groove to receive the lubricating oil from the outer peripheral side to the inner peripheral side. A multiple disc friction clutch apparatus fastened or released by an action of a piston, comprises a clutch drum, a clutch hub, driven plates spline-fitted on the clutch drum, and drive plates spline-fitted on the clutch hub, the drive plate being the wet clutch friction plate. | 08-27-2009 |
20090250305 | STARTING CLUTCH - A starting clutch is disposed between a transmission and an engine and including a wet type multi-plate clutch adapted to transmit a power. The wet type multi-plate clutch comprises a plurality of friction engaging elements housed for an axial sliding movement, a clutch drum for accommodating the friction engaging elements, a clutch hub disposed at an inner diameter side of the clutch drum to support the friction engaging elements for the axial sliding movement, and a piston for applying a pressing force to the friction engaging elements to tighten the wet type multi-plate clutch. The starting clutch includes a housing adapted to accommodate the wet type multi-plate clutch and driven by the engine, and in a condition that oil is filled within the starting clutch, the oil supplied to the housing is flown along an outer periphery of the clutch drum and is discharged from the housing. | 10-08-2009 |
20090308707 | DISK CLUTCH OR MULTIPLE DISK BRAKE COMPRISIHNG A MULTI-PART DISK CARRIER - A disk clutch or brake, with inner and outer disk carriers that respectively carry inner and outer disks. The inner and outer disks are arranged axially in alternation next to one another. At least one of the inner and outer disk carriers have radial openings through which coolant flows toward the disks. The inner and/or outer disk carrier have a toothed component, which is fixed to and at least partially axially and radially encompasses a basic component. The inner or outer disks are fixed toothed component to prevent relative rotation while allowing axial displacement. Radial openings are formed in the basic and toothed components to enable a flow of coolant. | 12-17-2009 |
20090321209 | HYDRAULIC ARRANGEMENT FOR CONTROLLING A TWIN-CLUTCH TRANSMISSION OF A MOTOR VEHICLE - A hydraulic arrangement for controlling a twin-clutch transmission of a motor vehicle. The hydraulic arrangement has a hydraulic energy source for supplying the hydraulic arrangement with hydraulic energy with a hydraulic medium; a pressure accumulator for storing the hydraulic energy; and a clutch cooling device for cooling clutches of the twin-clutch transmission with the hydraulic medium. A transmission lubrication process and/or a transmission cooling process for cooling and/or lubricating a transmission of the twin-clutch transmission with the hydraulic medium is/are carried out, in addition to a prioritization process for prioritizing the supply of the pressure accumulator before the clutch cooling, and the clutch cooling before the transmission lubrication and/or transmission cooling by means of the hydraulic medium. | 12-31-2009 |
20100122887 | HYDRAULIC CLUTCH ASSEMBLY FOR A MOTOR VEHICLE DRIVELINE - In at least one embodiment, a hydraulic clutch assembly for a motor vehicle driveline is provided. The clutch assembly comprises an input member, and output member and a friction clutch pack operably disposed therebetween for controlling torque transfer. A first fluid circuit contains hydraulic based fluid at a first pressure and is in fluid communication with the friction clutch pack for lubrication thereof. A second fluid circuit is in fluid communication with the first fluid circuit for replenishing the second fluid circuit with the hydraulic based fluid at a second pressure that is less than the first pressure. The clutch assembly further comprises a motor and a gear train. The gear train has an input force driven by the motor and an output force. A first piston is in fluid communication with the second fluid circuit for delivering the hydraulic based fluid thereto and is operatively driven by the output force to displace the hydraulic based fluid. A second piston is translated by the hydraulic based fluid displaced by the first piston to actuate the friction clutch pack. | 05-20-2010 |
20100170764 | AUTOMATIC TRANSMISSION - An automatic transmission includes a clutch, a clutch drum, a piston, and a brake. The clutch drum, the clutch, and the brake are arranged in sequence in an interior space formed by joining a transmission case to a rear case in an axial direction from the rear case side. A separating/guiding wall that is provided in a circumferential direction so as to define a surplus lubricating oil trapping space for trapping surplus lubricating oil that gathers on an inner peripheral surface of the transmission case and in a second brake, and causes trapped surplus lubricating oil guided thereby into the surplus lubricating oil trapping space to flow downward in the circumferential direction, and a holding mechanism for restricting axial movement of the separating/guiding wall, are provided in relation to spline fitting portions formed on the inner peripheral surface of the transmission case. | 07-08-2010 |
20100326785 | HYBRID DRIVE TRAIN - A hybrid drive train ( | 12-30-2010 |
20110000757 | FRICTION CLUTCH AND METHOD TO REDUCE DRAG LOSS IN FRICTION CLUTCH - A wet clutch includes a rotatable hub and a rotatable drum having an aperture extending therethrough. A plurality of outer clutch plates are fixed for rotation with the drum. A plurality of inner clutch plates are fixed for rotation with the hub and interleaved with the outer clutch plates. A piston is moveable to apply a force to the inner and outer clutch plates to transfer torque between the hub and the drum. A cover is moveable relative to the drum between first and second positions. The cover selectively restricts a flow of fluid through the aperture in the drum when in the first position. | 01-06-2011 |
20110036677 | MULTIPLE DISK CLUTCH - The present invention relates to a multi-disc clutch for the transfer of torque between a first clutch part and a second clutch part, having at least one first and at least one second disc that engage one another and that are movable parallel to a rotational axis of the multi-disc clutch, and having a reset device for the reciprocal ventilation of adjacent discs. The first clutch part is connected in a rotationally secure fashion to the first disc and the second clutch part is connected in a rotationally secure fashion to the second disc. The reset device has at least two reset elements that are disposed eccentrically relative to the rotational axis and distributed in the circumferential direction. | 02-17-2011 |
20110073432 | MULTI-PLATE CLUTCH SYSTEM - A pressure plate is movable in an axial direction to cause multiple driving friction plates and driven friction plates to come in pressure contact with each other. The pressure plate is biased by a clutch spring in a direction to bring the driving friction plates and the driven friction plates in pressure contact with each other. When acceleration torque is changed, an assist mechanism increases the pressure-contact force of the pressure plate. A pressure plate and a clutch inner are connected together and are capable of being separated from each other in an axial direction. When an assist mechanism increases a pressure-contact force of the pressure plate, the pressure plate is moved in a direction to bring driving and driven friction plates into pressure contact with each other, while the clutch inner is moved relative to the pressure plate in the same direction so as to be detached from the pressure plate. | 03-31-2011 |
20110192699 | CLUTCH APPARATUS FOR A POWER UNIT AND POWER UNIT INCORPORATING THE SAME - A clutch apparatus includes a clutch outer member for supporting friction discs, which are nonrotatable relative to the clutch outer member, and are axially slidable along a clutch axis; a clutch inner member for supporting clutch discs, which are nonrotatable relative to the clutch inner member, and are axially slidable along the clutch axis, and a pressure plate having a deep recess for accommodating a clutch spring engaged with the clutch inner member. The deep recess includes a bottom portion having a spring seat for receiving the clutch spring, and a partially cylindrical shape wall portion having an axis parallel to the clutch axis. The wall portion is oriented towards the clutch axis. The deep recess has a communicating portion formed therein for establishing the communication between the inner and outer surfaces of the wall portion so as to discharge oil towards the friction and clutch discs during operation of the clutch apparatus. | 08-11-2011 |
20120211322 | FRICTION-PLATE LUBRICATING DEVICE FOR AUTOMATIC TRANSMISSION - A friction-plate lubricating device for an automatic transmission that includes a friction engagement element with a plurality of friction plates in which outer friction plates and inner friction plates are alternately disposed; a hub with splines engaged with teeth formed on an inner circumference of the inner friction plates, the hub having the splines on an outer circumference thereof and having uneven portions formed on an inner circumference thereof; and a nozzle that discharges lubricant to the uneven portions. Recesses of the uneven portions serve as oil reservoirs in which the lubricant gathers, and through-holes are formed in bottom surfaces of the recesses. The lubricant discharged from the nozzle is collected in the oil reservoirs formed by the recesses so as to be supplied to the plurality of friction plates of the friction engagement element through the through-holes. | 08-23-2012 |
20120298464 | MULTIDISK OIL-BATH CLUTCH - An embodiment of a multidisk oil-bath clutch having: a housing mounted to rotate; at least one hub mounted to rotate and housed inside and coaxially with the housing; a number of drive disks housed inside the housing and angularly integral with the housing or the hub; a number of driven disks housed inside the housing, alternating with the drive disks, and angularly integral with the hub or the housing; at least one oil inlet into the housing; and at least one oil outlet from the housing. Each drive disk has a number of first circulation channels extending radially from an inner edge of the drive disk; and each driven disk has a number of second circulation channels extending radially from an inner edge of the driven disk. | 11-29-2012 |
20130001034 | STARTING CLUTCH - The present invention provides a starting clutch disposed between a transmission and an engine and having a wet type multi-plate clutch for transmitting a power, in which the wet type multi-plate clutch includes a plurality of friction plates housed for an axial sliding movement, a clutch drum for housing the friction plates, and a piston for urging a radial central region or therearound of the friction plate to engage the friction plates, and oil which has lubricated the wet type multi-plate clutch is temporarily trapped within the clutch drum and then is discharged. | 01-03-2013 |
20130240319 | TRANSMISSION CLUTCH WITH IMPROVED COOLING - A clutch for a manual or automatic transmission according to the present invention includes an axial fan or turbine disposed on a shaft extending between the clutch and the transmission. Air is supplied to the turbine through one or more radial passageways between the clutch and transmission housings and is provided through an annular passageway around the shaft. Air from the annular passageway is then dispersed generally radially between the clutch plates or disks and other clutch components to absorb and carry away heat generated during clutch operation. | 09-19-2013 |
20130256081 | FRICTION CLUTCH AND METHOD TO REDUCE DRAG LOSS IN FRICTION CLUTCH - A wet clutch includes a rotatable hub and a rotatable drum having an aperture extending therethrough. A plurality of outer clutch plates are fixed for rotation with the drum. A plurality of inner clutch plates are fixed for rotation with the hub and interleaved with the outer clutch plates. A piston is moveable to apply a force to the inner and outer clutch plates to transfer torque between the hub and the drum. A cover is moveable relative to the drum between first and second positions. The cover selectively restricts a flow of fluid through the aperture in the drum when in the first position. | 10-03-2013 |
20130334002 | MULTI-DISC CLUTCH - The present invention relates to a multi-disc clutch for the transfer of torque between a first clutch part and a second clutch part, having at least one first and at least one second disc that engage on another and that are movable parallel to a rotational axis of the multi-disc clutch, and having a reset device for the receiprocal ventilation of adjacent discs. The first clutch part is connected in a rotationally secure fashion to the first disc and the second clutch part is connected in a rotationally secure fashion to the second disc. The reset device has at least two reset elements that are disposed eccentrically relative to the rotational axis and distributed in the circumferential direction. | 12-19-2013 |
20140008172 | METHOD FOR OPERATING A HYDRAULIC DISC COUPLING IN AN AWD VEHICLE AND A COUPLING HEREFORE - A hydraulic disc coupling ( | 01-09-2014 |
20140069764 | TORQUE TRANSFER UNIT WITH INTEGRATED ELECTRIC DRIVE MOTOR - An axle assembly comprises a power transmission device including a housing having a cylindrically shaped sidewall. The power transmission device selectively communicates rotatable motion from an input member to an output member. A frictional clutch is disposed in the housing and includes a drum. A first and a second axle shaft selectively drive a first and a second drive wheel, respectively. A differential selectively transfers drive torque from the output member to at least one of the first and second axle shafts. An electric motor comprising a coil and a plurality of magnets is provided on the axle assembly. In one example, the coil is disposed on the housing and the magnets are disposed on the drum. The coil is configured to selectively energize to provide one of a positive or negative torque input to the output member. | 03-13-2014 |
20140090947 | STARTING CLUTCH - The present invention provides a starting clutch disposed between a transmission and an engine and having a wet type multi-plate clutch for transmitting a power, in which the wet type multi-plate clutch includes a plurality of friction plates housed for an axial sliding movement, a clutch drum for housing the friction plates, and a piston for urging a radial central region or therearound of the friction plate to engage the friction plates, and oil which has lubricated the wet type multi-plate clutch is temporarily trapped within the clutch drum and then is discharged. | 04-03-2014 |
20140097059 | LUBRICANT COMPOSITION - A lubricant composition comprising lubricating oil and a compound containing phosphorus and an amine of formula I: | 04-10-2014 |
20140174876 | Clutch Cooling System - A transmission clutch cooling system includes a clutch housing defined between a drive hub of a drive member and a clutch hub of a driven member and a clutch assembly housed in the clutch housing. The clutch hub includes a hub deck having a plurality of bores therethrough, an inner annulus extending axially from the hub deck, and an outer annulus extending axially from the hub deck, the outer annulus including a plurality of radial orifices therethrough and a lip flange extending from a distal end towards the inner annulus. The clutch assembly includes a plurality of clutch plates secured to the drive hub and a plurality of friction plates secured to the driven member. A piston assembly is provided for engaging or disengaging the plurality of friction plates against the plurality of clutch plates to cause or release integrated rotation of the drive member and the driven member. | 06-26-2014 |
20140174877 | CLUTCH ASSEMBLY WITH OIL GUIDE - A clutch assembly with a rotatable clutch hub which is connected rotationally fixedly to several inner plates which may be brought into friction connection with outer plates of an associated clutch basket and form a plate pack. The clutch hub has at least one bore which allows a throughflow of a fluid from the interior of the clutch to the plates, and an oil conduction device attached to the clutch hub at the at least one bore. | 06-26-2014 |
20140326572 | FRICTION CLUTCH - A friction clutch including an input side and an output side arranged to rotate, a fluid chamber fillable with a cooling liquid including a first friction partner, a second friction partner, an inner disc carrier coupled to one of the two friction partners radially on the outside, and a compression device having a pressure chamber fillable with a pressure fluid to provide axial compression of the friction partners to generate a torque-locking engagement between the input side and the output side. A deflection device is provided in the fluid chamber wherein the inner disc carrier includes at least one first passage for the cooling liquid to pass through, and the deflection device feeds back at least a first portion of the cooling liquid flowing in a radially outward direction between the friction partners into a radially inward direction to the first passage of the inner disc carrier. | 11-06-2014 |
20150114789 | WET CLUTCH - A wet clutch comprising a first plate carrier and a second plate carrier which have different diameters, as well as an oil bath in which the plate carriers are arranged concentrically and rotatable with respect to one another. Here, the first plate carrier includes on its circumference a deflection element, by means of which oil which is moving tangentially with respect to the first plate carrier is deflected radially in the direction of the second plate carrier. | 04-30-2015 |
20150362023 | FRICTION PLATE AND WET MULTIPLE-PLATE CLUTCH WITH FRICTION PLATE - A friction plate is formed by circularly fixing a plurality of friction material segments to a substantially annular core plate. A through groove that penetrates from an inside diameter side to an outside diameter side of the core plate is formed between the friction material segments, and each of the friction material segments has a circumferential groove that opens to the through groove, extends in a circumferential direction, and terminates in the friction material segment. | 12-17-2015 |
20150369302 | FRICTION PLATE AND WET-TYPE MULTIPLE-DISC CLUTCH WITH FRICTION PLATE - The present invention provides a friction plate that takes more air into a lubricating oil on a friction surface so as to reduce the shear resistance force of the lubricating oil interposed between friction materials, thereby achieving significantly reduced drag torque at the time of idling, as compared with a conventional friction plate, and a wet-type multiple-disc clutch provided with the friction plate. The friction plate has a plurality of friction material segments circularly fixed on an annular core plate, wherein each of the friction material segments includes an oil groove having an opening that opens in the direction of an outer circumferential edge of the friction plate and an end portion that ends between an inner circumferential edge and the outer circumferential edge, oil passages in communication in the direction of the inner and the outer circumferential edges of the friction plate are provided among the friction material segments, and at least some of the oil passages have a first shape, the width of which in a circumferential direction decreases from the inner circumferential edge of the friction plate toward the outer circumferential edge thereof. | 12-24-2015 |
20160025158 | FRICTION PLATE AND WET-TYPE MULTIPLE-DISC CLUTCH WITH FRICTION PLATE - A friction plate is formed by annularly fixing a plurality of friction material segments to a substantially annular core plate, and a minute groove is formed on a surface of the friction material segment. | 01-28-2016 |
20160084322 | DOUBLE WET CLUTCH MECHANISM FOR A TRANSMISSION SYSTEM - A double wet clutch mechanism for a transmission system, at least a first clutch and a second clutch respectively of the multiple-disc type, the first clutch having a first piston and the second clutch having a second piston, the first and second pistons being displaced in order to cause, in an engaged position, clamping of a multiple-disc assemblage against reaction means that are interposed axially between the multiple-disc assemblage of each of the first and second clutches, the assemblage respectively having friction discs that are rotationally connected respectively to the first driven shaft and to the second driven shaft respectively by an external disc carrier, each of the external disc carriers having a radial extension and an axial extension, the axial extension of one of the external disc carriers exhibiting a radial offset. | 03-24-2016 |
20160091031 | MULTIPLATE CLUTCH - A pressure disk includes spring receiving portions for mounting coil springs that are elastically installed between the pressure disk and a clutch center. The spring receiving portions are aligned circumferentially on the outside in a radial direction with respect to an oil take-in hole. The spring receiving portions are provided with a supply hole in a side surface portion thereof toward the inside of the pressure disk. The supply hole introduces the oil supplied from the oil take-in hole. The spring receiving portion includes a discharge hole which discharges to the outside the oil introduced in the spring receiving portion. An inside cylindrical portion of the clutch center includes communication holes communicating with the outside. | 03-31-2016 |