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Class Information
Number: 192/3.31
Name: Clutches and power-stop control > Vortex-flow drive and clutch > Including drive-lockup clutch > Having speed-responsive operator
Description: Device provided with means for causing engagement and disengagement of the clutch and wherein the means is actuated upon the attainment of a predetermined angular velocity of one of the shafts of the vortex-flow drive.


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7604566 System and method of controlling a torque converter lockup clutch Oct. 20, 2009
7361120 Control of lock-up clutch Apr. 22, 2008
7287631 Lock-up control for torque converter Oct. 30, 2007
7099763 Vehicle rapid deceleration detection device Aug. 29, 2006
6877593 Automatic transmission friction clutch Apr. 12, 2005
6782984 Control method for lockup clutch Aug. 31, 2004
6659253 Method for operating a clutch and control device for implementing the method Dec. 9, 2003
6502678 Hydrodynamic clutch Jan. 7, 2003
6484607 All-terrain saddle type vehicle Nov. 26, 2002
6478717 Damper clutch control method for automatic transmission Nov. 12, 2002
6382379 Transmitting system for small-sized vehicle May. 7, 2002
6367605 Hydrokinetic torque converter with lockup clutch Apr. 9, 2002
6314357 Lock-up control device Nov. 6, 2001
6253140 Engagement control logic for an automatic transmission clutch with adaptive engagement feel Jun. 26, 2001
6249726 Method and apparatus for responding to failure of a load Jun. 19, 2001
6217481 Slip control system for torque converter Apr. 17, 2001
6099436 Lock-up clutch control apparatus Aug. 8, 2000
6085136 Torque converter lockup strategy Jul. 4, 2000
6073740 Process for tuning the switching state of a torque converter lock-up clutch in an automatic gear box Jun. 13, 2000
6074326 Lock-up control system for vehicle drivetrain with torque converter Jun. 13, 2000
6022294 Lock-up control device Feb. 8, 2000
6009988 Lock-up control device Jan. 4, 2000
5991680 Control apparatus, clutch slip control apparatus, and methods of manufacturing these apparatuses Nov. 23, 1999
5975262 Lock-up clutch control apparatus Nov. 2, 1999
5957255 Reducing torque converter clutch activity in an automatic transmission for a motor vehicle Sep. 28, 1999
5941354 Lockup damper of torque converter Aug. 24, 1999
5934427 Hydraulic control apparatus for lock-up clutch assembled within torque converter Aug. 10, 1999
5893438 Control device for lockup clutch Apr. 13, 1999
5803217 Apparatus and method for controlling a damper clutch for a vehicle Sep. 8, 1998
5787379 Lockup control system for automatic transmissions Jul. 28, 1998
5779012 Hydrokinetic torque converter with lockup clutch Jul. 14, 1998
5749061 Clutch slip control device and method of manufacturing the same, clutch slip control method, and vehicle control device May. 5, 1998
5722912 Lock-up control system for automatic transmissions Mar. 3, 1998
5721682 System for discriminating operating state of vehicle clutch mechanism Feb. 24, 1998
5719768 Lock-up clutch control method Feb. 17, 1998
5697479 Slip control apparatus for motor vehicle lock-up clutch Dec. 16, 1997
5692982 Adjustable flyweight for use in a variable speed belt drive Dec. 2, 1997
5678667 Slip control apparatus for motor vehicle lock-up clutch Oct. 21, 1997
5620390 Motor vehicle lock-up clutch control apparatus, having means for detecting clutch judder with high accuracy Apr. 15, 1997
5613583 Slip control apparatus for motor vehicle lock-up clutch Mar. 25, 1997
5599254 Method and apparatus for diagnosing a fault in a lock-up mechanism of a torque converter fitted to an automatic transmission Feb. 4, 1997
5590751 Hydraulic control system for automatic transmission Jan. 7, 1997
5535863 Controlled capacity torque converter clutch control during vehicle coast Jul. 16, 1996
5531302 Controlled capacity torque converter clutch lock-up transition control Jul. 2, 1996
5527233 Hydraulic control apparatus for controlling an engaging state of a lock-up clutch of an automatic transmission Jun. 18, 1996
5521818 Shift solenoid functional test strategy for an automatic transmission control system having electronic shift controllers May. 28, 1996
5507372 Torque converter slip rate-based torque converter lock-up strategy Apr. 16, 1996
5505284 Device for selective actuation of electric solenoid in a torque converter lock-up clutch by a vehicle electronic control module Apr. 9, 1996
5487003 Simulation method and device for aiding the design of a fluid torque converter Jan. 23, 1996
5475590 Automatic transmission torque converter bypass clutch control using engine torque compensation Dec. 12, 1995

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