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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
8620544 Method and apparatus for entering neutral idle from a forward drive mode Dec. 31, 2013
8548704 Lock-up clutch control device for automatic transmission and control method thereof Oct. 1, 2013
8538649 System and method for managing accumulator effects during engagement of a lockup clutch in a torque converter Sep. 17, 2013
8527168 Method and device for ascertaining a rotational speed parameter for determining a setpoint torque Sep. 3, 2013
8401755 System and method for detecting lockup clutch on-coming capacity Mar. 19, 2013
8392076 Control device of vehicular automatic transmission Mar. 5, 2013
8322502 Hydrodynamic coupling Dec. 4, 2012
8296028 Control device and control method for lockup clutch and engine torque in a vehicle Oct. 23, 2012
8296034 Vehicle speed limiting system Oct. 23, 2012
8219295 Engaging-force control apparatus and method Jul. 10, 2012
8210988 Vehicle controller and control method Jul. 3, 2012
8214117 Driving force controlling apparatus of vehicle Jul. 3, 2012
8150589 System and method for managing accumulator effects during engagement of a lockup clutch in a torque converter Apr. 3, 2012
7860631 Engine speed control for a low power hydromechanical transmission Dec. 28, 2010
7794358 Torque converter with fixed stator and method of controlling rotation of a turbine and pump in a torque converter Sep. 14, 2010
7717243 Torque converter with fluid and viscous couplings May. 18, 2010
7641031 Control apparatus for vehicle Jan. 5, 2010
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
6074326 Lock-up control system for vehicle drivetrain with torque converter Jun. 13, 2000
6073740 Process for tuning the switching state of a torque converter lock-up clutch in an automatic gear box 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

1 2 3 4 5 6

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