| Entries |
| Document | Title | Date |
|---|
| 20100140043 | Drive Assembly For A Regenerative Drive System - A drive assembly ( | 06-10-2010 |
| 20110000758 | REDUCED DRAG CLUTCH PLATE - A clutch plate including a first friction ring with an inner circumference and an outer circumference, and a resilient drag reducing element with a formed portion. The formed portion is at least partially radially disposed between the inner circumference and the outer circumference, extends axially beyond the first friction ring, and is compressible to be substantially circumferentially or radially aligned with the first friction ring. In some example embodiments of the invention, the resilient element is arranged to maintain a minimum clearance between the first friction ring and a mating surface. | 01-06-2011 |
| 20110088992 | PISTON PLATE CONNECTION WITH BLIND RIVETING - A clutch assembly for a torque converter, including: a cover; a piston plate including a hole; and a rivet in the hole. The rivet includes a rivet head. Prior to applying pressure to the rivet to fix the rivet to the piston plate, the rivet head is clamped between the piston plate and the cover. A clutch assembly for a torque converter, including: a cover; a piston plate with a hole; a leaf spring with a first end fixedly attached to the cover and a second end; and a rivet connecting the second end of the leaf spring to the piston plate. The rivet includes: a head disposed between the leaf spring second end and the cover; and a shaft in the piston plate hole. The piston plate or the cover is deflectable to clamp the rivet head between the cover and the piston plate before the shaft is expanded. | 04-21-2011 |
| 20110147159 | Mechanically Energized Mechanical Power Communication Coupling System - A mechanical power coupling system including a mechanical power connector component for communicating a mechanical power service with another mechanical power connector component. A mechanical power service switch is provided for selectively permitting communication of the mechanical power service between the mechanical power connector components. The mechanical power service switch is activated to transfer a mechanical power service from a mechanical power service source to a mechanical power service consumer in response to a proximity sensor engaging a proximity target. | 06-23-2011 |
| 20120080287 | 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. | 04-05-2012 |
| 20140318922 | POWER TRANSMISSION SWITCHING DEVICE AND RECORDING APPARATUS - A power transmission switching device includes a power shaft that is rotationally driven, a power transmission unit that is displaced between first and second positions positioned in an axial direction of the power shaft, a first positioning member that positions the power transmission unit in the first position, and a second positioning member that positions the power transmission unit in the second position. Any one or both of the switching of the connection and non-connection between the power shaft and the power transmission unit and the switching of the connection and non-connection between the power transmission unit and a driven part using the power shaft as a power source are performed by the switching of the position of the power transmission unit. The power transmission unit has at least one middle position between the first and second positions, and is held in the middle position by a holding unit. | 10-30-2014 |
| 20090020388 | Construction machine, as well as clutch for switching the power flow - Construction machine, with working drum mounted at a machine frame, combustion engine for driving the working drum, drive train between the combustion engine and the working drum, and clutch in the drive train, where the clutch is arranged between a drive shaft and output shaft of the drive train, clutch elements on drive side capable of being engaged with clutch elements on output side, where clutch elements on the drive side or on output side are provided with several clutch part elements that are permanently engaged with one another via at least one mechanical coupling, it is provided that a braking device acting between the drive shaft and the output shaft is arranged at the clutch, said braking device being additionally engaged during engagement of the clutch in order to eliminate or reduce any rotary vibrations caused by play of mechanical coupling between clutch part elements. | 01-22-2009 |
| 20090229946 | DRIVE APPARATUS FOR MOTOR VEHICLES - The invention relates to a drive apparatus for motor vehicles, with an internal combustion engine whose power output shaft by way of a flywheel with an integrated torsional vibration damper and by way of a separating clutch drives the change-speed gearbox of the motor vehicle, the separating clutch with the secondary mass of the torsional vibration damper being pivoted on the input shaft of the transmission and the hub section of the separating clutch being supported directly or indirectly on the power output shaft in the axial direction. To prevent internal distortions and possibly wobble motions of the separating clutch, it is proposed that radially extending contact surfaces be made directly or indirectly spherical between the power output shaft and the hub section. | 09-17-2009 |
| 20100051411 | DAMPER DEVICE - A damper device includes a first plate member rotated when the rotational force is inputted thereto from an input side, a second plate member rotatable relative to the first plate member and outputting the rotational force to an output side when being rotated in response to a rotation of the first plate member, a damper portion for absorbing a relative rotation between the first plate member and the second plate member, and a hysteresis portion for absorbing the relative rotation by a friction force, wherein the hysteresis portion includes an intermediate member between the first plate member and the second plate member, and the intermediate member is pressed against one of the first plate member and the second plate member by the other one of the first plate member and the second plate member when the first plate member and the second plate member rotate relative to each other. | 03-04-2010 |
| 20100133060 | Shoe having a spring position limitation, or torsional oscillation damper having such a shoe - A shoe mounts an outer spring defining a longitudinal direction and an inner spring arranged within the outer spring. The outer and inner springs define corresponding end sides of the outer and inner springs, and the shoe defines an end side of the shoe. A spring-position limitation limits the outer spring in its longitudinal direction and enables the inner spring to emerge at the end side of the shoe out of the outer spring. A driver primary element exerts a pressure on the inner spring as the driver approaches the outer and inner springs in a direction of the corresponding end sides of the outer and inner springs. | 06-03-2010 |
| 20100133061 | VIBRATION DAMPING DEVICE, IN PARTICULAR A MULTISTAGE TORSION VIBRATION DAMPER - A vibration damper, for example, a multistage torsion vibration damper, including at least two damper assemblies, connected in series and arranged coaxially, a first damper assembly forming a primary damping stage and a second damper assembly forming a pre-damping stage. The damper assembly that forms the primary damping stage is configured as a series damper including at least two dampers connected in series and is located on a larger diameter in the radial direction than the second damper assembly that forms the pre-damping stage. A multistage vibration damper, including at least two damper assemblies located in series, a first damper assembly forming a preliminary damper and a second damper assembly stage is configured as a series damper including at least two dampers connected in series and is located on a larger diameter in the radial direction than the second damper assembly that forms the preliminary damping stage. | 06-03-2010 |
| 20100133062 | VIBRATION DAMPER, PARTICULARLY A MULTISTAGE TORSION VIBRATION DAMPER - A vibration damper, for example, a multistage torsion vibration damper, including at least two coaxially disposed damper assemblies, each of them including at least one input component and one output component and being disposed on different diameters, a first damper assembly being disposed on the outside in a radial direction and configured as a series damper, including at least two dampers connected in series and coupled via an intermediate flange, and a second damper assembly being disposed on the inside in the radial direction. The intermediate flange includes at least two annular disk-shaped elements disposed at a distance in the axial direction and extending on both sides of the output component of the first damper arrangement at least into the portion of the outer circumference of the output component of the first damper assembly, each including openings extending in the circumferential direction. | 06-03-2010 |
| 20100133063 | DEVICE FOR DAMPING VIBRATIONS, IN PARTICULAR A MULTI-STEP TORSIONAL VIBRATION DAMPER - A vibration damping device, including at least two damper assemblies connected in parallel, disposed coaxially, each damper assembly comprising at least one input component and one output component, a first damper assembly of the at least two damper assemblies comprising at least two dampers connected in series and coupled through an intermediary flange, and a second damper assembly of the at least two damper assemblies configured with relative rotation clearance, wherein the output component of the first damper assembly forms a unit with the output component of the second damper assembly, and the first and the second damper assemblies are radially disposed in radial direction on different diameters. | 06-03-2010 |
| 20100140044 | Crankshaft Torque Modulator - A decoupler with driven and driving members, a clutch, a torsional vibration damper and a lubricant. The clutch is received in a bore in the driven member and includes a carrier, a wrap spring and at least one spring. The wrap spring is formed of spring wire and has a plurality of coils disposed between a first end, which is received in a groove in the carrier, and a second end. The portion of the wrap spring outside the carrier has an outer circumferential spring surface that is abutted against the inner circumferential surface of the bore. The at least one spring is disposed between the carrier and the driving member to transmit rotary power from the driving member to the carrier. The torsional vibration damper is coupled to the driving member for rotation therewith. The lubricant is disposed on the remaining portion of the wrap spring. | 06-10-2010 |
| 20100193320 | TORQUE TRANSMISSION DEVICE - A torque transmission device comprising a torque converter disposed in a drive train of a motor vehicle, in particular a hydrodynamic torque converter or a fluid clutch, wherein the converter or the fluid clutch comprises a turbine shell and a pump shell which can be coupled through a pump clutch and at least one pump damper with a converter cover, and comprising at least one converter damper and at least one converter lock up clutch. | 08-05-2010 |
| 20120111692 | Transmission Clutch Assemblies with Squawk Reduction Techniques - The present disclosure relates to a vehicle transmission clutch assembly with squawk reduction techniques, having: a clutch component configured to rotate with respect to a transmission shaft; and a plurality of multi-directional mass dampers coupled to the clutch component, configured to alter a mode of vibration for the clutch component during clutch engagement. | 05-10-2012 |
| 20120111693 | Method of Manufacturing a Transmission Clutch Assembly with Reduced Squawk - The present disclosure relates to a method of manufacturing a transmission clutch assembly configured to reduce squawk during engagement, the method including: forming a clutch component; and coupling a plurality of mass dampers to the clutch component to split a mode of vibration for the clutch component during engagement. | 05-10-2012 |
| 20130213761 | PLANETARY TORSIONAL DAMPER SYSTEM - A planetary gear damper is provided having a ring gear, a plurality of planet gears meshed with the ring gear, and a sun gear meshed with the planet gears. The planetary gear damper provides for torsional damping which has long travel and provides low rate damping. | 08-22-2013 |
| 20140034443 | TORQUE TRANSMISSION DEVICE - A torque transmission device for the drive train of a passenger car. The drive train includes two engines, wherein one of said engines is an electromechanical energy converter. The torque transmission device is inserted into a rotor recess, which is arranged in a rotor assembly of the electromechanical energy converter. | 02-06-2014 |
| 20140076682 | TORSION DAMPING DEVICE COMPRISING ELASTIC MEMBERS EACH OF WHICH IS HELD INDIVIDUALL IN POSITION BY A PHASE WASHER - A torsion damping device ( | 03-20-2014 |
| 20140151181 | CLUTCH ASSEMBLY - A clutch assembly for coupling a drive shaft of a motor vehicle engine with at least one transmission input shaft of a motor vehicle transmission is provided, having a dual mass flywheel which can be connected to the drive shaft to damp torsional vibrations, where the dual mass flywheel has a primary mass to introduce a torque and a secondary mass to extract a torque, the primary mass being coupled with the secondary mass by means of a bow spring situated in a bow spring channel so that it can be rotated to a limited extent, a clutch that can be connected to at least one transmission input shaft, and a final assembly means to connect the drive shaft to the at least one transmission input shaft via the clutch assembly, where the final assembly means is connected to the primary mass directly or via a starter gear rim. | 06-05-2014 |
| 20140238812 | DRIVE ASSEMBLY FOR AN AUTOMATIC TRANSMISSION INCLUDING A CLUTCH DAMPER - A drive assembly for an automatic transmission is provided. The drive assembly includes a clutch pack; and a damper assembly connected to the clutch pack, the damper assembly including a first spring set and a second spring set connected in series. The drive assembly may include an inner clutch carrier supporting the clutch pack and a first spring retainer connected to the inner clutch carrier and housing the first spring set. A method of forming a drive assembly for an automatic transmission is also provided. | 08-28-2014 |
| 20150053527 | TORQUE VARIATION ABSORBER DEVICE AND TRANSMISSION - A torque variation absorber device includes: a disc plate—to which rotation torque is input from the engine; a boss member receiving rotation torque from the disc plate; a cam member provided at the boss member to rotate integrally with the boss member; an arm member having one end abutting against a cam face of the cam member with a fulcrum section provided at the disc plate as the center of oscillation; and a coil spring abutting against the other end of the arm member and the disc plate, and compressed in a circumferential direction of the disc plate under a state where the disc plate and the member are rotated relatively. The coil spring imparts resilient force to the cam member under a state where the disc plate and the boss member are not rotating relatively. | 02-26-2015 |
| 20150053528 | LIMITING TORQUE CLUTCH IN AN INPUT DAMPER - The present disclosure provides an input damper for coupling to a torque-generating mechanism. The damper includes an outer cover, a hub, and a carrier assembly coupled to the hub. The carrier assembly is movably disposed within the cover. A clutch assembly moves between an engaged position and a disengaged position. The input damper further includes an angular displacement mechanism operably coupled to the clutch assembly for moving the clutch assembly between the engaged position and disengaged position. A damper spring is disposed between the outer cover and the clutch assembly. The outer cover is coupled to the carrier assembly in the engaged position. | 02-26-2015 |
| 20150060230 | METHOD FOR REDUCING CHATTER VIBRATIONS IN A DRIVETRAIN - A method is provided for reducing chatter vibrations in a motor vehicle drivetrain having a drive unit, a vehicle transmission and an automated friction clutch, wherein a vibration absorber is emulated by an appropriate operation of the friction clutch in order to improve the method. | 03-05-2015 |
| 20150345567 | DAMPER STRUCTURE FOR CLUTCH - A clutch includes a clutch housing configured to hold a clutch plate, and a clutch gear configured to transmit rotary drive power to the clutch housing via a damper. The clutch housing has a rib that regulates a position, of the damper, in an axial direction. The dampers are accommodated in accommodation holes that are spaced from each other in a circumferential direction of the clutch gear. The rib is formed in an annular shape so as to be aligned with the accommodation holes. | 12-03-2015 |
| 20150345568 | DAMPER FOR USE IN CLUTCH - A damper is in the form of a disk and used for the clutch including: a clutch housing in which a clutch plate is held; and a clutch gear that transmits rotary drive power to the clutch housing via the damper. A non-circular engagement hole is formed at a center portion of a disk of the damper such that an engagement projection of the clutch housing engages with the engagement hole. First cutout portions are formed in the damper on an outer side and an inner side in a clutch radial direction on a rear side on which rotary drive power from the clutch gear is applied. A minimal distance between each first cutout portion and the engagement hole is smaller than a distance between the engagement hole and an outer circumference of the disk. | 12-03-2015 |
| 20150369298 | STRUCTURAL UNIT FOR A DRIVE TRAIN OF A MOTOR VEHICLE - A constructional unit for a drivetrain of a motor vehicle includes: at least one clutch arrangement configured to decouple an internal combustion engine from the drivetrain, the at least one clutch arrangement having at least one clutch element; a speed-adaptive vibration absorber apparatus, configured to reduce vibrations in the drivetrain with at least one damper mass deflectable along a deflection path; and a limiting device configured to exert a force on the at least one damper mass that limits the movement of the damper mass. The limiting device is further configured, for limiting the movement of the at least one damper mass, to be actuatable by the at least one clutch element. | 12-24-2015 |
| 20160017972 | LOCK-UP DEVICE FOR TORQUE CONVERTER - A lock-up device having multistage torsional characteristics includes a retaining plate, a driven plate, a plurality of pairs of outer peripheral side torsion springs configured to elastically couple the both plates, a support plate and a plurality of inner peripheral side torsion springs. The support plate is rotatable relative to the retaining plate and the driven plate, and causes the outer peripheral side coil springs in each pair to act in a series-like manner. Each inner peripheral side torsion spring has a length shorter than that of each outer peripheral side torsion spring. Additionally, the support plate is configured to be restricted from rotating relative to the driven plate when stopper parts of the support plate contact intermediate stopper parts of the driven plate. | 01-21-2016 |
| 20160025154 | METHOD OF FIXING A DAMPER FLANGE TO A DAMPER HUB - A method of forming a damper assembly for a motor vehicle drive train is provided. The method includes providing a damper flange including a pocket at an inner circumferential surface thereof and cutting an outer circumferential surface of a damper hub using the inner circumferential surface of the damper flange. The cutting results in a displaced damper hub material of the outer circumferential surface of the damper hub being displaced into the pocket. A damper assembly also provided that includes a damper flange including a pocket at an inner circumferential surface thereof and a damper hub including an outer circumferential surface fixed to the inner circumferential surface of damper flange. The outer circumferential surface of the damper hub includes a displaced damper hub material extending radially into the pocket. | 01-28-2016 |
| 20160076600 | DRIVE ASSEMBLY INCLUDING A DAMPER AND CLUTCH PLATE SUBASSEMBLY AND METHOD OF FORMING DRIVE ASSEMBLIES - A drive assembly for a motor vehicle clutch is provided. The drive assembly includes a damper including a plurality of springs, a first cover plate and second cover plate. The first and second cover plates support the springs therebetween and the second cover plate includes an outer portion extending radially outside of the first cover plate. The drive assembly further includes a subassembly including at least one clutch facing and at least one support segment supporting the at least one clutch facing. The at least one support segment includes an outer radial portion fixed to the at least one clutch facing and an inner radial portion connected to the outer portion of the second cover plate to connect the subassembly to the damper. | 03-17-2016 |
| 20160116019 | DAMPER AND PRE-DAMPER ASSEMBLY - A clutch assembly is disclosed that includes a hub, a damper and a pre-damper. A first pre-damper side plate is adjacent the damper and a second pre-damper side plate has a lug that extends radially outwardly and axially across the intermediate plate and the first pre-damper plate toward a first side plate of the damper that is adjacent the pre-damper. The lug is received in a notch defined by the first side plate of the damper to prevent relative rotation between the first side plate of the damper and the pre-damper. A method is disclosed for assembling the pre-damper and the damper on a hub. The pre-damper includes a radially and axially extending lug that is assembled to the notch in the damper to prevent relative rotation between the damper and the pre-damper. | 04-28-2016 |
| 20080230345 | Clutch Failure Detection System, Straddle-Type Vehicle, and Method for Detecting Failure - A failure detection system for accurately detecting a failure of a clutch. A clutch actuation mechanism changes the relative positions of drive-side and driven-side members of the clutch. A position detector detects a position of the clutch actuation mechanism as a clutch position. A control unit obtains torque transmitted from the drive-side member to the driven-side member as actual transmission torque. The control unit detects a failure of the clutch based on the actual transmission torque and the clutch position. | 09-25-2008 |
| 20090120758 | Actuator For A Vehicle Clutch - An actuator for a clutch arranged between an engine and a transmission includes an annular cylinder part located concentrically with an input shaft to the transmission, and has a cylinder chamber and an annular piston connected to a throwout bearing. A part of the hydraulic piston arrangement or a position-sensing mechanism remote from the hydraulic chamber adjoins a fluid chamber, which is connected to or forms a part of a connecting duct or cylinder chamber, so that in the fluid chamber the control pressure from a valve arrangement acts on the hydraulic piston arrangement with a force that is opposed to the force with which the fluid pressure in the hydraulic chamber acts on the hydraulic piston arrangement. Assembly and maintenance are facilitated. The friction surfaces of the clutch are well sealed off from the hydraulic fluid. Embodiments with overload protection and measurement of the thickness of the clutch plates are demonstrated. | 05-14-2009 |
| 20100108461 | METHOD AND ARRANGEMENT FOR DETERMINING THE WEAR CONDITION OF A SHIFTING CLUTCH - A method of determining the wear condition of a shifting clutch ( | 05-06-2010 |
| 20100200357 | ALARM DEVICE FOR CLUTCH - Providing an alarm device for a clutch that issues an alarm the clutch lifetime prior to the clutch lifetime expiration, so that the information regarding the lifetime expiration is informed of; further, the failure protection measures for the clutch are adopted. An alarm device for a clutch, whereby a clutch disc connected to an input shaft is connected to or disconnected from a counter clutch disc connected to an output shaft, so that the input shaft is connected to or disconnected from the output shaft; wherein, the clutch comprises: the slip heat release threshold setting means | 08-12-2010 |
| 20130168200 | CLUTCH COVER ASSEMBLY - A clutch cover assembly is provided whereby accurate wear compensation can be executed. The present clutch cover assembly includes a clutch cover, a pressure plate, a diaphragm spring, an wear-amount detecting mechanism and an wear tracking mechanism. The wear-amount detecting mechanism includes a detection member for detecting the wear-amount of a friction member and a moving member configured to be movable in accordance with the wear-amount of the friction member. The detection member is engaged with the fulcrum rings and detects the wear-amount through the fulcrum rings, while being engaged with the moving member and being configured to be disengaged from the moving member at a predetermined wear-amount. | 07-04-2013 |
| 20150300428 | Method and System for Detecting and Clearing Battery Power Failure of Electric Clutch Actuator - Methods and systems for detecting and clearing battery power failure of an electric clutch actuator (ECA) include use of a capacitor connected to the ECA. The capacitor is connected to the ECA such that when the ECA and a battery configured to output a battery voltage are connected together a capacitor voltage matches the battery voltage and when the ECA and the battery are disconnected from one another the capacitor voltage differs from the battery voltage. A loss of battery connection is detected upon a difference between the capacitor voltage and the battery voltage exceeding a threshold. | 10-22-2015 |
