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Patent Searching and Data


Matches 651 - 700 out of 1,829

Document Document Title
JP2009156425
To provide an automatic transmission, enabling a specific attenuation amount to be added, without changing oscillation property as far as possible.Since a dynamic damper 39 given to a rotor of a clutch piston 32 or the like of a lock-up ...  
JP2009150548
To provide a multifunction torque converter with an improved differential pressure on both sides of an impeller clutch.This torque converter includes an impeller clutch 102, a lock-up clutch 150, a release chamber 110 for the impeller cl...  
JP2009144921
To provide a torque converter which is light, has a reduced overall radial package, does not rattle, and reduces the risk of internal contamination by welding its components primarily on its exterior.A cover 20, an impeller shell 30 and ...  
JP2009144924
To provide an anti-rotation mechanism for a closed piston, three-passage torque converter that mitigates or eliminates rattling during operation.This anti-rotation mechanism includes a cover 110 having a radial inner surface 112, a drive...  
JP2009138941
To provide an improved power transmission device 1 for transmitting power between a driving machine and a driven part while effectively protecting a piston element from axial force based on hydrodynamic effects, comprising an input part ...  
JP2009133404
To avoid a reduction in the dimensional accuracy of input side rotary members due to deformation with heat treatment.This torsional vibration reducing device includes the first input side rotary member 2 on the engine side, the second in...  
JP2009133485
To provide an improved torque converter, capable of providing greater clutch abilities.The torque converter 50 is provided with a lockup clutch 58 comprising a piston 56 and a clutch plate 68, and a spring 72. A connector plate 70 is cou...  
JP2009133444
To provide a torque converter capable of reducing transmission of judder vibration generated in a sliding engaging state of a lockup clutch to a speed-change mechanism side.In the sliding engaging state in which a clutch plate 27 of the ...  
JP2009121630
To shorten the length in the axial direction of a power train unit including a fluid transmission device.A clutch piston plate 32 has a piston part 32a projecting toward the engine output shaft 7 side under a part abutting on a friction ...  
JP2009121685
To provide a method more convenient than installing a piston in a front side cover for maintaining piston capacity of moving in the axial direction.This torque converter 20 is provided with a housing 24 and a lockup clutch 42. The lockup...  
JP2009121675
To provide a hydrodynamic coupling device having a friction disc held by a linking element for directly connecting a turbine wheel to a flange of a damper plate.This hydrodynamic coupling device has a rotary shaft B, a torque converter 1...  
JP2009115112
To provide a fluid transmission device which facilitates the change of a vibration characteristic and realizes excellent vibration damping capacity in a low rotation region.The fluid transmission device which includes a pump impeller cou...  
JP2009115294
To provide a fluid transmission gear equipped with a lockup clutch device capable of enhancing the vibration characteristics etc. by changing the inertia upstream of a damper spring and the inertia in the downstream properly in accordanc...  
JP2009103308
To significantly shorten a manufacturing time by reducing a manufacturing process, while preventing generation of unnecessary polishing chips and cutting chips, by stabilizing an initial friction characteristic without performing initial...  
JP2009092177
To enable miniaturization of a lockup device of a fluid-type torque transmission device.This lockup device 5 of a torque converter 1 has a piston 51, a first plate 61, a second plate 62, an intermediate plate 63, a plurality of first spr...  
JP2009085299
To further reduce fuel consumption while maintaining while maintaining a required tractive force, and to carry out speed change not leading to engine stall in a working vehicle such as a wheel loader.When a speed ("drive", "second speed"...  
JP2009085335
To provide a lock-up device and a fluid torque transmission device capable of improving responsiveness.The lock-up device 5 of a torque converter 1 is provided with a piston 53, a first friction plate 51, a second friction plate 52, and ...  
JP2009074567
To prevent the size of an outside diametrical dimension of a spring from being restricted by a support means for supporting the spring.This torsional vibration reducing device is provided with a support part 3b projecting outside in the ...  
JP2009068579
To provide a torque damper capable of avoiding reduction in rotational strength, by dispensing with a cutout for locking a guide sheet in a clutch piston.A lockup clutch 10 (the torque damper) has a clutch piston 11, a damper spring 12, ...  
JP2009068604
To provide a damper device capable of appropriately absorbing a plurality of torque fluctuations different in magnitude with appropriate hysteresis.A torque transmission means 32 for transmitting a rotating force of a first flywheel 30 c...  
JP2009047272
To provide a fluid gearing with a lock-up clutch capable of generating the maximum engine torque at the time of starting-up and improving drivability.The fluid gearing has a lock-up clutch 30 which is arranged in parallel on a power tran...  
JP2009047262
To realize the high-speed work, and to reduce the installation area.A device for assembling a friction plate for a lock-up clutch comprises a base member 30 having an annular groove 31 in which a plurality of fan-shaped friction plates 1...  
JP2009041662
To provide a torque converter with a lock-up clutch, having compact construction for improving the vibration reducing effect of a driving system resulting in a wider low-vehicle-speed region of the torque converter to which the lock-up c...  
JP2009041737
To provide a hydraulic torque transmission device capable of improving fuel economy and operability of a vehicle.A torque converter 1 has a front cover 2, an impeller 9, a turbine 10 and a lock-up device 5. The lock-up device 5 has a pis...  
JP2009041691
To provide a torque converter with a lock-up clutch, for actualizing smooth connection of the lock-up clutch in a low vehicle speed region while preventing stick-slip due to wave undulation on both friction surfaces of a transmission cov...  
JP2009036376
To simplify the joint of a piston and a clutch plate to a cover.This torque converter comprises the cover, and a bridging clutch 118 to be selectively joined to the cover. The bridging clutch 118 consists of the clutch plate 164 fixed to...  
JP2009030770
To provide a damper mechanism, employing a low-rigidity elastic member, preventing inappropriate force from acting thereon even when the low-rigidity elastic member is in initial setting and under high-torque external force.The damper me...  
JP2009024783
To provide a lockup damper for which design flexibility can be improved.The lockup damper 7 has a pair of input rotation bodies 71 rotated in a body, an intermediate plate 73, a turbine hub 43, an output rotation body 72, a plurality of ...  
JP2009019649
To provide a lock-up damper capable of improving torsional vibration damping performance.The lock-up damper 62 comprises a pair of input plates 63 rotating together, an output plate 64, a plurality of first springs 65, a plurality of sec...  
JP2009019772
To provide a multi-functional torque converter with a two pass fluid circuit which provides the functionality of a three pass fluid circuit, and to provide a multi-function torque converter in which a pump clutch remains engaged while a ...  
JP2009019774
To save a space by directly attaching a cover plate to a piston without using separate rivets or spacer bolts.This torque converter includes a turbine, a lockup clutch including the piston, and a damper having at least one cover plate. T...  
JP2009019640
To suppress vibration and abnormal noise due to an increase in torsional rigidity when one of springs is not compressed.A torsional-vibration reduction device is provided with a pair of side plates 9, 10 and a center plate 11 stored betw...  
JP2009002511
To provide a hydrodynamic connecting device for a hybrid vehicle wherein complexity is reduced.The connecting device is provided with: a housing 102; a seal plate 116 connected to the housing in a rotation direction; a pump 104 arranged ...  
JP2009002358
To stably support end portions of a pair of springs by a coupling portion of a holding member.The torsional vibration reducing device comprises: a lock-up piston 2 capable of coupling/disconnecting to/from a crank shaft of an engine; an ...  
JP2008309335
To expand a turning angle enabling in predetermined torque in a specific area of a torsion damper characteristic line or to reduce a spring constant in the specific area.In this vibration damping device 2, mutually coaxially arranged pri...  
JP2008298113
To provide a starter capable of preventing generation of a rattling sound when releasing a first engaging means.This starter 1 is provided with a frictional locking mechanism 50 having a pedestal part 52 fixed to a damper device 40 and a...  
JP2008286394
To provide a torque converter equipped with a means to avoid rattling in the torque converter clutch under operation in the torque converter mode and reduce the drag while improving the cooling flow as well.A first pressure chamber 204 i...  
JP2008281199
To provide a torque converter equipped with a piston plate which is directly engaged with a cover, a weld design and lock-up plate attachment method which reduce contaminants, and a durable stamped stator design with improved performance...  
JP2008281200
To provide a torque converter having a means for reducing drag, and avoiding rattle in a torque converter clutch in operation in a torque converter mode, while improving a cooling flow.This torque converter is provided with a pump shell ...  
JP2008256017
To provide a lock-up clutch capable of maintaining the durability of a damper spring while reducing a spring constant in a cruising area and improving the torque fluctuation absorbing performance of an engine.This lock-up clutch transmit...  
JP2008232387
To provide a clutch device for a torque converter, wherein a space is formed in the outer periphery by shrinking the outer diameter of an outer shell of the torque converter on the side of a front cover.The clutch device 4 has a piston 8...  
JP2008224007
To absorb torque by smoothly deforming springs despite the employment of the long-stroke arcuate springs.A spring housing 19 receiving the arcuate springs 20 therein is rotatably supported by an output-side boss 15 through an inner-diame...  
JP2008223991
To provide an automatic transmission device for suppressing a fluctuation of torque to be transmitted to a shift stage at starting a vehicle while suppressing the interruption of power transmission during shift transmission.The automatic...  
JP2008215378
To reduce manufacturing cost in a fluid type torque transmission device.A fluid coupling 1 has a front cover 2, an impeller 3, a turbine 4, a piston 51 and a damper mechanism 6. The damper mechanism 6 elastically connects the piston 51 a...  
JP2008215593
To improve the fuel economy of a vehicle while preventing a hydraulic torque transmission device from being axially moved.A torque converter 100 comprises a torque converter body 1, a damper mechanism 8 for elastically connecting the tor...  
JP2008208855
To provide a lock-up damper for a torque converter, which is housed in the torque converter and elastically connects a turbine runner and the piston, so as to absorb the torque fluctuation of the engine in the lock-up state where the pis...  
JP2008209005
To provide a multi-functional torque converter separating axial force caused by the operation of a piston plate from housing structuring members and a bearing.An impeller clutch 102 is provided to transmit the torque from a torque input ...  
JP2008202618
To reduce drag torque in a lock-up device of a hydraulic torque transmission device.The lock-up device 7 of a torque converter 1 consists of a piston 75, a clutch plate 80 and a damper mechanism 9. The clutch plate 80 has a first flow pa...  
JP2008196660
To compactly arrange an input joint in a multi-stage automatic transmission by setting control from the outside of the input joint equipped with a hydraulic engagement chamber of an independent lockup clutch in two passages.An oil chambe...  
JP2008196540
To provide a torque converter lockup damper mechanism which reduces rigidity of an elastic member without deteriorating strength of a member and a structure, and enhances absorbing efficiency of rotation variation.The lockup damper mecha...  

Matches 651 - 700 out of 1,829