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Class Information
Number: 192/3.51
Name: Clutches and power-stop control > Transmission control and clutch control
Description: Device including means to determine the operational mode of a clutch structure and including means to determine the ratio of a multi-ratio motion transmitting mechanism.

Sub-classes under this class:

Class Number Class Name Patents
192/3.54 Common control 32
192/3.63 Interrelated (e.g., with interlock) 140
192/3.52 Planetary transmission and coaxial clutch 43

Patents under this class:
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Patent Number Title Of Patent Date Issued
8612104 Clutch control device and .mu. correction coefficient calculating method Dec. 17, 2013
8538642 Range determination apparatus Sep. 17, 2013
8505659 Road vehicle with hybrid propulsion Aug. 13, 2013
8504263 Accumulator working volume management and adaptation Aug. 6, 2013
8469354 Drive mechanism and image forming apparatus Jun. 25, 2013
8396636 Clutch controller, method of controlling clutch, and straddle-type vehicle Mar. 12, 2013
8392077 Transmission control apparatus Mar. 5, 2013
8380404 Control method of a vehicle provided with an automatic manual transmission during a gear shifting or during a drive-away Feb. 19, 2013
8355849 Safe clutch position Jan. 15, 2013
8311715 Motor vehicle transmission and method for monitoring frictional engagement in same in a preset neutral or parking position Nov. 13, 2012
8175781 Torque converter control for variable valve lift powertrain systems May. 8, 2012
8131438 Method for controlling an automated friction clutch Mar. 6, 2012
8010060 Apparatus and method for reducing stray RF signal noise in an electrically powered vehicle Aug. 30, 2011
7912613 Riding type vehicle Mar. 22, 2011
7720587 Variable operation of vehicle transmissions using rough road sensing May. 18, 2010
7706949 Method and apparatus to control an electro-mechanical transmission during shifting event Apr. 27, 2010
7603219 Method for estimating clutch engagement parameters in a strategy for clutch management in a vehicle powertrain Oct. 13, 2009
7584039 Method and device for the control of starting driving or switching processes on a motor vehicle Sep. 1, 2009
7509203 Lock-up control for torque converter Mar. 24, 2009
7421326 Clutch fault detection Sep. 2, 2008
7325662 Dry friction launch clutch for an automatic transmission and method Feb. 5, 2008
7222011 Engine and driveline torque transfer device control May. 22, 2007
7151989 Twin-clutch gearbox and method for shifting an initial gear upwards into a target gear in the twin-clutch gearbox of a motor vehicle Dec. 19, 2006
7149617 Method of timed shift to neutral in apparent stationary modes Dec. 12, 2006
7120531 Method of determining a default transmission input speed Oct. 10, 2006
7107134 Method of determining a default transmission output speed Sep. 12, 2006
7104373 Electro-pneumatic shifting system Sep. 12, 2006
7004296 Torque transmission system for a vehicle Feb. 28, 2006
6961647 Method of controlling a vehicle and system of controlling the same Nov. 1, 2005
6871128 Speed change control method and speed change controller Mar. 22, 2005
6799108 Control system and method for maintaining a constant engine idle speed of an automatic transmission-equipped vehicle Sep. 28, 2004
6708774 Cultivator Mar. 23, 2004
6647333 Method of regulating the position of a clutch actuator Nov. 11, 2003
6603214 Control equipment for a vehicle and control method thereof Aug. 5, 2003
6466852 Method and device for producing an error signal in a motor vehicle Oct. 15, 2002
6445991 Method for controlling disengageable clutches for starting and for shifting variable-speed gears in automobiles Sep. 3, 2002
6334082 Shift control method for automatic transmission Dec. 25, 2001
6244402 Power shift transmission for motor vehicles Jun. 12, 2001
6241066 Working vehicle Jun. 5, 2001
6202015 Hydraulic control system of automatic transmission Mar. 13, 2001
5991679 Safety system for an automatic gearbox Nov. 23, 1999
5974798 Mechanical disconnect for a variable speed hydrostatic transmission Nov. 2, 1999
5701738 Mechanical disconnect for variable speed hydrostatic transmission Dec. 30, 1997
5662195 Shifter assembly conversion kit Sep. 2, 1997
5154268 Control system for the clutch of a transmission in a motor vehicle Oct. 13, 1992
5119632 Hydraulic transmission for motor vehicle Jun. 9, 1992
5007512 Technique for clutch control in continuously variable transmission systems Apr. 16, 1991
4884667 Automatic change gear control means Dec. 5, 1989
4610335 Control device for clutch and transmission in vehicles Sep. 9, 1986
4598545 Power transmission control apparatus Jul. 8, 1986

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