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Class Information
Number: 137/115.19
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Bypass or relief controlled by main line fluid condition > Pressure responsive > Bypass or relief valve responsive to pressure downstream of outlet valve > Pilot valve
Description: Subject matter comprising an auxiliary control valve and wherein the bypass or relief valve is controlled by the auxiliary control valve in response to the pressure in the main flow line.










Patents under this class:

Patent Number Title Of Patent Date Issued
8393348 Directional control valve device and directional control valve device block having directional control valve devices Mar. 12, 2013
7513269 Hydraulic control system for automatic transmission Apr. 7, 2009
7455371 Compressed air treatment device that is designed to be installed in an industrial vehicle Nov. 25, 2008
7246862 Compressed air treatment device that is designed to be installed in an industrial vehicle Jul. 24, 2007
7204266 Pilot-operated pressure shut-off valve Apr. 17, 2007
7080891 Safety device for an automotive pneumatic system Jul. 25, 2006
6705339 Surge check unit for a liquid distribution system Mar. 16, 2004
6540308 Electronic compressed-air processing system Apr. 1, 2003
6079436 Energy supply device for a compressed air brake system for commercial vehicles Jun. 27, 2000
6058962 Flow rate regulating valve of hydraulic pump May. 9, 2000
6041808 Compressed air control device for a source of compressed air on motor vehicles Mar. 28, 2000
6041807 Flow control device of power steering apparatus Mar. 28, 2000
5678900 Unloader for a source of air under pressure on vehicles Oct. 21, 1997
5447174 Pilot stage for pressure control valves Sep. 5, 1995
5373865 Non-leaking storage charging valve Dec. 20, 1994
4817660 Pressure regulating valve Apr. 4, 1989
4603708 Shut-off valve Aug. 5, 1986
3973581 Hydraulic pressure control valve Aug. 10, 1976











 
 
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