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Class Information
Number: 137/625.23
Name: Fluid handling > Systems > Multi-way valve unit > Supply and exhaust > Rotary valve > Plug type > For plural lines
Description: Subject matter wherein a plurality of lines downstream of the valve will be drained.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8712621 Vehicle having power supply apparatus Apr. 29, 2014
8666605 Securing the assistance torque by means of an estimator of the force on the rack Mar. 4, 2014
8548681 Power steering device Oct. 1, 2013
8307852 Pinion valve body and pinion valve assembly for vehicle equipped with the same Nov. 13, 2012
8025073 Incline-responsive valve Sep. 27, 2011
7849956 On-demand electro-hydraulic steering system Dec. 14, 2010
7578313 Rotary pilot valve Aug. 25, 2009
7231940 Control valve for a hydraulic power steering system Jun. 19, 2007
7152627 Control valve for a hydraulic power steering system Dec. 26, 2006
7059350 Airflow controlling mechanism Jun. 13, 2006
7025091 Power steering control valve Apr. 11, 2006
6953450 Apparatus and method for administration of IV liquid medication and IV flush solutions Oct. 11, 2005
6769451 Power beyond steering unit with bypass Aug. 3, 2004
6612336 Rotary shift valve for servo-assisted steering systems of motor vehicles Sep. 2, 2003
6508330 Rotating oleodynamic distribution system for the steering of rear axles of vehicles Jan. 21, 2003
6481461 Hydraulic pilot control Nov. 19, 2002
6470913 Balanced rotary servovalve Oct. 29, 2002
6427722 Rotary slide set for a hydraulic steering arrangement Aug. 6, 2002
6390228 Hydraulic power steering apparatus for vehicle May. 21, 2002
6349788 Power steering apparatus Feb. 26, 2002
6305418 Hydraulic valve Oct. 23, 2001
6296018 Rack and pinion steering system Oct. 2, 2001
6267144 Rotary disk valve for power steering systems of motor vehicles Jul. 31, 2001
6267133 Method for mounting a steering valve with a centring unit Jul. 31, 2001
6254082 Rotary valve Jul. 3, 2001
6250333 Servovalve Jun. 26, 2001
6250334 Centering device for steering valves Jun. 26, 2001
6240961 Hydraulic power steering control valve Jun. 5, 2001
6237464 Centering mechanism for a power steering control valve May. 29, 2001
6227244 Feedback system for a servo valve system May. 8, 2001
6216718 Control valves for motor vehicle hydraulically-assisted steering Apr. 17, 2001
6202694 Detent mechanism for a hydraulic power steering gear Mar. 20, 2001
6196266 Multiport diverter valve Mar. 6, 2001
6186173 Hydraulic steering arrangement Feb. 13, 2001
6182697 Rotary directional valve with integral load holding check Feb. 6, 2001
6119803 Power steering apparatus Sep. 19, 2000
6082403 Power steering control valve with back pressure Jul. 4, 2000
6082242 Power steering system Jul. 4, 2000
6058703 Fluid valve transmission May. 9, 2000
6035760 Power steering system Mar. 14, 2000
6027096 Servo valve Feb. 22, 2000
6016837 Steering valve with closed center Jan. 25, 2000
6009903 Steering reaction force control arrangement for a power steering servo valve Jan. 4, 2000
6000431 Servo valve Dec. 14, 1999
5996968 Valve driver element including a high temperature thermoplast for reducing friction Dec. 7, 1999
5996626 Sleeve for rotary valve Dec. 7, 1999
5975137 Power steering control valve Nov. 2, 1999
5957027 Detent mechanism for a hydraulic power steering gear Sep. 28, 1999
5954093 Rotary servo valve Sep. 21, 1999
5944045 Solvent circuit Aug. 31, 1999

1 2 3 4










 
 
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