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Class Information
Number: 192/90
Name: Clutches and power-stop control > Clutches > Operators > Spring engaged > Electric release
Description: Devices in which electric action is employed to release the clutch.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8657095 Control device and method for controlling Feb. 25, 2014
8657091 Clutch device Feb. 25, 2014
8522947 Electromagnetic clutch and water pump Sep. 3, 2013
8517156 Clutch actuating apparatus for transmission Aug. 27, 2013
8505704 Apparatus for operating clutch Aug. 13, 2013
8459429 Power transmission device for a water pump Jun. 11, 2013
8443954 Clutch May. 21, 2013
8403123 Magnetically actuated one-way clutch Mar. 26, 2013
8387767 Driven accessory with low-power clutch for activating or de-activating same Mar. 5, 2013
8281728 Steering apparatus for outboard motor Oct. 9, 2012
8271171 Clutch characteristic adaption method for automatic dual clutch transmission Sep. 18, 2012
8267237 Reverse clutch for rotatable inputs Sep. 18, 2012
8182382 Pulley assembly for a start-stop belt drive May. 22, 2012
8167106 Clutch drive apparatus and vehicle equipped with the same May. 1, 2012
8127906 Clutch drive device and vehicle equipped with the same Mar. 6, 2012
8087505 Power unit for vehicle and vehicle equipped with the same Jan. 3, 2012
8074777 Ball screw resettable mechanical disconnect Dec. 13, 2011
8047349 Electromotive actuator for deflecting a motor vehicle part Nov. 1, 2011
8011486 Electromagnetically actuable clutch and water pump having an electromagnetically actuable clutch Sep. 6, 2011
7946403 Mechanical disconnect dual-sided interlocking teeth May. 24, 2011
7896147 Application of eddy current braking system for use in a gearbox/generator mechanical disconnect Mar. 1, 2011
7735617 Lever system for actuating a clutch Jun. 15, 2010
7726456 Linear clutch system for vehicle and method for controlling the same Jun. 1, 2010
7717249 Electro-mechanical gear selector May. 18, 2010
7717437 Actuator for disconnectable stabilizer bar system May. 18, 2010
7699151 Clutch actuator, engine unit, and saddle type vehicle Apr. 20, 2010
7635054 Clutch actuator, engine unit, and saddle type vehicle Dec. 22, 2009
7581617 Method for triggering a coupling unit Sep. 1, 2009
7451864 Clutch actuator for straddle-type vehicle Nov. 18, 2008
7418800 Automatic door opener with magnetic clutch Sep. 2, 2008
7310911 Automatic door opener with magnetic clutch Dec. 25, 2007
7182194 Low power modulating clutch control system with combination accumulator and piston actuator Feb. 27, 2007
7178650 Structure of multiple disc clutch Feb. 20, 2007
6915887 Drive member for a water pump of the cooling-water circuit of an internal combustion engine and frictional shift clutch Jul. 12, 2005
6896112 Clutch-actuating device and methods of determining clutch parameters May. 24, 2005
6851533 Spring brake actuator Feb. 8, 2005
6779619 Electromechanical park pawl for electric vehicle transmissions Aug. 24, 2004
6763922 Clutch engaging and disengaging apparatus Jul. 20, 2004
6662919 Method of and apparatus for the application of electric current to components of clutch actuating assemblies Dec. 16, 2003
6502681 Clutch connection control system Jan. 7, 2003
6450311 Automatic operating apparatus for a friction clutch Sep. 17, 2002
6443287 Clutch Sep. 3, 2002
6412613 Electric brake Jul. 2, 2002
6409003 Clutch control apparatus Jun. 25, 2002
6409000 Two-way clutch and rotation transmission device Jun. 25, 2002
6315088 Spring-set electromagnetically released brake Nov. 13, 2001
6269926 Friction clutch with electromechanical actuator, in particular for motor vehicle Aug. 7, 2001
6269917 Electromagnetically actuated brake Aug. 7, 2001
6167997 Electronically controlled clutch actuation system Jan. 2, 2001
6155386 Spring-actuated electromagnetic brake with noise suppressing device Dec. 5, 2000

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