| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 192113100 | Lubricating, insulating, or cooling | 35 |
| 20090084652 | DUAL CLUTCH ARRANGEMENT WITH TWO PIECE MAIN ROTATING MANIFOLD - A clutch apparatus includes a first clutch pack having a plurality of first friction disks. The first clutch pack will selectively transfer torque from a torque supplying member to a first torque receiving member. The apparatus also includes a second clutch pack having a plurality of second friction disks. The second clutch pack will selectively transfer torque from a torque supplying member to a second torque receiving member. The apparatus also includes a first rotating manifold having a first cooling inlet for directing a cooling fluid to the first clutch pack. At least a portion of the first rotating manifold is coupled for rotation with at least a portion of the first friction disks. The apparatus also includes a second rotating manifold having a second cooling inlet for directing a cooling fluid to the second clutch pack. At least a portion of the second rotating manifold is coupled for rotation with at least a portion of the second friction disks. The first rotating manifold and the second rotating manifold are interchangeable. | 04-02-2009 |
| 20120024656 | FLYWHEEL HAVING LUBRICATION-FLOW PASSAGEWAY - A method of lubricating a clutch disposed on a driven-side of a flywheel that is connected to a crankshaft includes rotating the flywheel and providing a flow of lubrication fluid spilling onto a driver-side of the flywheel. At least a portion of the flow of lubrication fluid is received through at least one passageway extending through the flywheel and expelled from the passageway on a driven-side of the flywheel. A clutch disposed on the driven-side of the flywheel is lubricated with the expelled lubrication fluid. | 02-02-2012 |
| 20120031727 | Equalizing unit of a drive train of a motor vehicle and its construction for loss-minimizing oiling on demand - The invention relates to an oiling concept of an equalizing unit of a drive train of a motor vehicle with a clutch device to be oiled in driving mode. In order to stop drag torques which act on the clutch device from the outside and result in increased dissipation when said clutch device is not required due to the operating state, measures are provided which promote the dry running of the clutch device. The measures include the spatial-functional separation of the oil delivery device from the clutch device and the provision of a braking or decoupling device by means of which the oil delivery device can be deactivated if there is no oil requirement. | 02-09-2012 |
| 20130146416 | CLUTCHES - A dual clutch transmission has a driving plate defining concentric engagement surfaces, concentric friction plates, concentric pressure plates, and first and second clutch springs for operation of the pressure plates in clamping the friction plates against their respective engagement surface on the driving plate. The driving plate has a top hat type configuration, whereby the engagement surfaces are axially off set from one another. Cooling passages may be provided in the driving plate. The dct is preferably nested, wherein the outer pressure plate is in axial alignment with the radially inner portion of the driving plate, the inner pressure plate is in axial alignment with the radially outer portion of the driving plate, and the friction plates are arranged in axial alignment with one another. | 06-13-2013 |
| 20130341153 | DUAL CLUTCH DEVICE FOR VEHICLE - 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. | 12-26-2013 |
| 20140231211 | CLUTCH ASSEMBLY HAVING AN OIL ACCUMULATING DEVICE - The invention relates to a clutch assembly of a motor vehicle, in particular a clutch-controlled differential unit, comprising a switchable clutch apparatus that is able to transmit driving power from a drive element on the input side with regard to the clutch device to a drive element on the output side with regard to the clutch device, wherein an oil conveying apparatus is provided for the clutch oiling, which oil conveying apparatus conveys oil of an oil circuit serving the clutch device depending on the operating state. In order to ensure that the lubrication of components arranged on the output side with regard to the clutch device is ensured in operating states in which the oil conveying apparatus does not convey any oil, an oil accumulating device is provided. | 08-21-2014 |
| 20160040776 | ECO LUBRICATION METHOD FOR A TRANSFER CASE - A number of variations may comprise a method comprising: a lubrication system for a transfer case comprising: actively managing an oil level in a plurality of sumps in a transfer case by rotating at least one rotating element in the transfer case to transfer oil through the transfer case to lubricate the transfer case. | 02-11-2016 |
| 192113200 | Air cooling | 8 |
| 20140166428 | CLUTCH AND/OR BRAKE MODULE - A clutch and/or brake module has a heat sink which is attached to a transmission housing for the purpose of discharging heat. The brake module further has a brake disc, which is connected to a rotational member formed by a shaft (schematically indicated by a center line). The brake disc is provided on one side with a lining and faces with this side towards the heat sink. The brake is a dry brake and is not lubricated. | 06-19-2014 |
| 20160017931 | DRY-TYPE DUAL-CLUTCH COOLING STRUCTURE - A dry-type dual-clutch cooling structure includes: an intake port and an exhaust port provided in a clutch housing in which a dual-clutch is accommodated; a branch portion provided in an air-suction path of an engine; a changeover valve provided in the branch portion; and a connection pipe for connecting the branch portion and the exhaust port to each other, wherein at least while a creep phenomenon is generated in a vehicle provided with the dual-clutch by controlling the dual-clutch in a half clutch state, the changeover valve is changed over to suck air into the engine from the connection pipe. The clutch housing is cooled by this sucked air. | 01-21-2016 |
| 192113210 | Heat radiating structure | 1 |
| 20160082825 | COOLING DEVICE AND COOLING METHOD FOR A ROTOR-INTEGRATED CLUTCH FOR HYBRID MODULES - A cooling device for a hybrid module of a motor vehicle, comprising a housing, a driveshaft arranged within the housing, a rotor non-rotatable secured to the driveshaft, a stator secured to the housing, a clutch arranged to engage or disengage the driveshaft, said clutch being integral with the rotor and, a fluid transport device arranged on the driveshaft to transport a fluid to the clutch. | 03-24-2016 |
| 192113230 | Air directing structure | 5 |
| 20090173593 | Clutch Housing - An improvement of the clutch housing structure, comprising a housing that fits the clutch carrier of the clutch disk, where the housing is provided with a skirt portion that embraces the clutch carrier; and a washer in rigid wall, which is fixed onto the inner side of the skirt portion of the housing, where the washer and the clutch carrier press each other to form a obstruction that characterizes high coefficient of friction, which further drives the boss to move the wheels; the target is to improve the imperfections of the prior art which includes the deformation at high temperature, or the skid and incomplete transmission by lacking of enough friction. | 07-09-2009 |
| 20130161147 | FRICTION CLUTCH - The invention relates to a friction clutch in a motor vehicle, comprising a clutch bell housing ( | 06-27-2013 |
| 20130220766 | FAN FOR DRIVE CLUTCH - A fan for a drive clutch includes a disk having several vanes that can attach to a drive clutch to direct air toward the clutch to cool the clutch and belt of a CVT transmission. The disk can be injection-molded or otherwise formed and can be bolted onto a clutch drive with the vanes facing toward the clutch drive. An inward-facing surface can be concave to direct air toward the clutch. The disk can attach to the clutch drive using preexisting bolts of the clutch drive. | 08-29-2013 |
| 192113240 | Rotating cover | 1 |
| 20120090949 | FLUID CLUTCH DEVICE - The present invention relates to a fluid clutch device having a clutch body (2), having a cover (30 which is fastened to the clutch body (2) and having a fan impeller (5) by means of which both the clutch body (2) and also the fan impeller (4) are centered on the cover (3) | 04-19-2012 |
| 192113260 | Clutch plate | 1 |
| 20140291108 | DRY-CLUTCH TRANSMISSION WITH COOLING TECHNIQUES - The present disclosure relates to a dry-clutch transmission having various cooling techniques. Some techniques include forming different structural features on transmission components so as to create an organized air flow. The disclosed techniques are applicable to both opened and closed transmission housings. | 10-02-2014 |
| 192113300 | Liquid cooled or lubricated clutch surfaces | 19 |
| 20080296121 | LUBRICATION CONTROLLING METHOD AND LUBRICATION CONTROLLING APPARATUS FOR STARTING CLUTCH OF UNIT TYPE - The present invention provides a lubrication controlling method for a starting clutch disposed between a transmission and an engine of a vehicle and having a wet type multi-plate clutch for transmitting a power, the method comprising the steps of detecting a temperature of oil in the starting clutch by means of a first temperature sensor, and controlling a flow amount of lubricant oil of the starting clutch in accordance with the temperature of the oil detected by the first temperature sensor, regardless of a running condition of the vehicle, and wherein the controlling step is performed in such a manner that, if the temperature of the oil is below a first set value, the flow amount is minimized, and, if the temperature of the oil is above a second set value, the flow amount is maximized, and, if the temperature of the oil is between the first and second set values, the flow amount of the lubricant oil is continuously changed in accordance with the temperature of the oil. | 12-04-2008 |
| 20090032362 | WRAP SPRING CLUTCH - A wrap spring clutch according to some embodiments has a center shaft; a wrap spring wrapped around the center shaft in a direction of winding, and having two wrap spring ends and an abutting surface for co-operation with a friction surface; and a hollow shaft positioned around the wrap spring; and a cooling device positioned adjacent the friction surface. | 02-05-2009 |
| 20090133983 | COOLING STRUCTURE OF CLUTCH APPARATUS FOR TRANSMISSION - A cooling structure of a clutch apparatus for a transmission includes a housing, a partition wall provided inside the housing, first and second chambers respectively formed inside the housing at first and second sides of the partition wall, a clutch mechanism provided inside the first chamber. A cylindrical clutch case including an opening is provided at an outer circumference of the clutch mechanism. The cooling structure further includes a first communication passage communicating with the first and second sides of the partition wall, at least one helical protrusion provided at an outer cylindrical surface of the clutch case, and a guiding cylinder provided at an outer circumference of the clutch case with a space between the helical protrusion and the guiding cylinder. The helical protrusion guides the coolant existing between the clutch case and the guiding cylinder to the first chamber from an axial end portion of the guiding cylinder. | 05-28-2009 |
| 20090294241 | LUBRICANT DISCHARGING MECHANISM OF CLUTCH APPARATUS FOR TRANSMISSION - A lubricant discharging mechanism of a clutch apparatus for a transmission, which includes the clutch apparatus having at least one clutch mechanism provided in a clutch housing defined in a transmission case and a gear train provided in a gear train housing defined in the transmission case adjacent to the clutch housing, includes a retainer, a bore, and a guide member. The retainer is provided inside the clutch housing to surround the clutch mechanism for retaining therein a lubricant for lubricating and cooling the clutch mechanism. The bore is formed at an outer circumferential portion of the retainer for discharging therethrough the lubricant lifted radially outwardly by a centrifugal force generated by a rotation of the clutch mechanism to an outside of the retainer. The guide member is connected to the retainer for guiding the lubricant discharged from the retainer towards the gear train. | 12-03-2009 |
| 20100018828 | Method and Device for Transmission Noise Suppression - The invention relates to a method and a device for suppressing transmission noise from automatic transmissions, in particular for motor vehicles, the transmission having at least two alternating multi-disk clutches that control a power flow via a gearing mechanism through which oil flows to cool the clutches and to reduce wear and tear on them. To create a method and a device that are of simple design and that can operate without wear and tear, it is proposed that under defined operating conditions of the transmission, the throughput amount of oil is increased in such a way that a defined drag torque occurs at the multi-disk clutch that is opened. | 01-28-2010 |
| 20110100779 | CONDUCTIVE COOLING FOR CLUTCHES - In clutch or brake cooling, a conductive brush ( | 05-05-2011 |
| 20110272239 | HYDRAULIC SYSTEM FOR WORKING VEHICLE - A low-pressure pump supplies oil stored in a steering case to a steering device as lubricating oil via a steering lubricating circuit. A high-pressure pump supplies the oil stored in the steering case to a clutch via a high-pressure circuit. A transmission lubricating circuit branches off from the high-pressure circuit via a relief valve and supplies lubricating oil to a transmission device. A transmission-lubricating assist circuit is provided so as to branch off from the steering lubricating circuit and is connected to the transmission lubricating circuit. A transmission case stores the oil used to lubricate the transmission device. A scavenging pump returns the oil stored in the transmission case to the steering device. | 11-10-2011 |
| 20110308912 | LUBRICATING DEVICE - To provide a lubricating device which can be made compact. In a lubricating device | 12-22-2011 |
| 20120080286 | Vehicle Drive Device - A vehicle drive device configured with an input member drivably coupled to an internal combustion engine, an output member drivably coupled to wheels, and a friction engagement device that selectively drivably couples the input member and the output member to each other. A rotary electric machine is connected between the input member and the output member. A housing oil chamber houses at least friction members of the friction engagement device and is filled with oil. A housing space houses the rotary electric machine, a first oil passage through which oil is supplied to the housing oil chamber, a second oil passage through which oil is discharged from the housing oil chamber; and a third oil passage through which oil discharged from the second oil passage is supplied to the housing space. | 04-05-2012 |
| 20120217121 | HYBRID DRIVE APPARATUS - A hybrid drive apparatus includes a case with first and second friction plates that can be soaked with oil. A communication mechanism allows or cuts off the communication between an internal space of the case and outside, and discharges the to the outside when the internal space communicates with the outside. A controller controls an engagement pressure to obtain a disengaged state in which the first and second friction plates are disengaged and a slipping state in which the first and second friction plates slip and rotate. An oil adjustment portion adjusts an oil amount supplied to the internal space, based on a control state of the friction engagement device, and adjusts the oil amount to a first amount when the friction engagement device is disengaged, and adjusts the oil amount to a second amount larger than the first amount when the friction engagement device starts to slip. | 08-30-2012 |
| 192113320 | Overrunning clutch | 1 |
| 20120247911 | HYBRID DRIVE DEVICE - A hybrid drive device including an electric motor; an automatic transmission; a first oil passage; and a second oil passage branched from the first oil passage and that guides the oil to a friction element that is engaged for establishment of a speed in the automatic transmission. An orifice is provided in the first oil passage downstream of the second oil passage. A switching valve for the friction element is provided in the second oil passage to be switched between communicated and blocked states. A hydraulic servo for the friction element is supplied with a hydraulic pressure to control the friction element between engaged, disengaged, and slip states. The switching valve includes a control oil chamber that communicates with the hydraulic servo, and is switched into the blocked state when the friction element is disengaged and into the communicated state when the friction element is engaged or the slip state. | 10-04-2012 |
| 192113340 | Lubricant or coolant between engaging surfaces | 8 |
| 20090008212 | Double Wet Clutch for Hybrid Traction Chain and Cooling Method - The invention concerns an element comprising an electrical machine ( | 01-08-2009 |
| 192113350 | With change of coolant flow during disengagement | 2 |
| 20100072020 | MULTIDISK OIL-BATH CLUTCH - An embodiment of a multidisk oil-bath clutch having: a housing mounted to rotate about a longitudinal axis of rotation; at least one hub mounted to rotate about the longitudinal axis of rotation 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 equally spaced about the longitudinal axis of rotation and extending radially from an inner edge of the drive disk to an outer edge of the drive disk; and each driven disk has a number of second circulation channels equally spaced about the longitudinal axis of rotation and extending radially from an inner edge of the driven disk to an outer edge of the driven disk. | 03-25-2010 |
| 20120217122 | VEHICLE DRIVE DEVICE - A vehicle drive device comprising a friction engagement device disposed on a power transfer path between an engine and wheels and including a first friction plate drivably coupled to a power transfer path on the engine side and a second friction plate drivably coupled to a power transfer path on the wheels side, a rotary electric machine drivably coupled to the power transfer path on the wheels side, a case member including an internal space where the first and second friction plates of the friction engagement device are housed, the internal space being configured to dip the first and second friction plates in oil and a communication mechanism that regulates communication between the internal space of the case member and an external space, the communication mechanism allowing the oil to be discharged from the internal space to the external space when communication between the internal and external spaces is allowed. | 08-30-2012 |
| 192113360 | Grooved surfaces | 5 |
| 20090050434 | WET FRICTION MATERIAL - In a wet friction material, to be able to obtain a more significant drag torque reduction effect certainly even in case of a specification that there is no lubricating oil supply from an inner peripheral side or in case that a stirred torque increases by generating oil retained at an outer periphery. | 02-26-2009 |
| 20100006388 | FRICTION PART FOR A FRICTIONALLY ACTING DEVICE, AND FRICTIONALLY ACTING DEVICE HAVING A FRICTION PART OF SAID TYPE - The present invention relates to a friction part for a frictionally acting device, having an annular friction face which has an inner edge and an outer edge, wherein at least one set of grooves is provided in the friction face, which set of grooves has a first groove which extends from the inner edge or the outer edge to a branching point between the inner edge and the outer edge, and a second and third groove which extend in each case from the branching point to the other edge. According to the invention, the second groove is inclined in the one peripheral direction and the third groove is inclined in the other peripheral direction of the direction face with respect to a radial line through the branching point. The present invention also describes a frictionally acting device having a frictions part of said type. | 01-14-2010 |
| 20100044182 | WET TYPE MULTI-PLATE CLUTCH - The present invention provides a wet type multi-plate clutch comprising a friction plate including friction materials secured to both surfaces of a core plate provided at its inner diameter side with a spline portion, a notch groove opened to the inner diameter side and having a terminal portion positioned between the inner diameter side and the outer diameter side and a through groove extending from the inner diameter side to the outer diameter side, and a separator plate provided at its outer diameter side with a spline portion, and wherein a retracting amount at the inner diameter side of the friction material secured to the friction plate is greater than a retracting amount at the outer diameter side. | 02-25-2010 |
| 20110114438 | Friction Disk For A Wet-Running Clutch For A Motor Vehicle - A friction disk for a wet-running clutch for a motor vehicle includes a lining carrier ring, provided with connecting areas for connecting the friction disk to a drive side or to a takeoff side of a clutch, and a plurality of friction lining elements, carried on at least one side of the lining carrier ring, fluid flow channels are provided between the friction lining elements which are directly adjacent to each other in the circumferential direction, wherein at least some of the fluid flow channels have different channel widths. | 05-19-2011 |
| 20130056326 | FRICTION PLATE AND WET-TYPE MULTI-PLATE CLUTCH HAVING SUCH FRICTION PLATE - The present invention provides a friction plate having a friction surface formed by sticking an annular friction material to a substantially annular core plate and wherein the friction surface is provided with a first oil groove having an opening portion opened to an inner peripheral edge of the friction plate and an end terminating at a point between the inner peripheral edge and an outer peripheral edge, and a second oil groove having an opening portion opened to the outer peripheral edge of the friction plate and an end terminating at a point between the inner peripheral edge and the outer peripheral edge. | 03-07-2013 |
| 192113500 | Lubrication of ancillary clutch parts | 1 |
| 20150060228 | LUBRICATION IN A TRANSFER CASE WITHOUT A MECHANICAL PUMP - A transfer case is provided with a primary shaft which is selectively engagable with a secondary shaft via a clutch mechanism. The clutch mechanism is inclusive of a friction pack. A hub of the clutch mechanism is connected on the primary shaft and the clutch housing is torsionally fixed with a primary sprocket rotatively mounted on the primary shaft. A reservoir system is provided for delivering splashed oil axially along the primary shaft overlapping the friction pack. The reservoir system has a collective fluid receptacle that is connected via a stationary passage with a lubrication passage radially inward of the friction pack of the hub. | 03-05-2015 |
