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Class Information
Number: 137/115.15
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Bypass or relief controlled by main line fluid condition > Pressure responsive > Common sensor for both bypass or relief valve and other branch valve > Bypass or relief valve opens as other branch valve closes
Description: Subject matter wherein the sensor opens the bypass or relief valve in the main line while it closes the additional valve in the main line or vice versa.

Patents under this class:

Patent Number Title Of Patent Date Issued
8662097 Flow control valve with damping chamber Mar. 4, 2014
8578958 Leak mitigation for pressurized bi-directional systems Nov. 12, 2013
8511091 Swirler for a fuel injector Aug. 20, 2013
8336571 Overpressure shutoff and relief valve assembly Dec. 25, 2012
8256445 Pressurizing and pressure regulating valve and fuel supply system employing the same Sep. 4, 2012
8215331 Leak mitigation for pressurized bi-directional systems Jul. 10, 2012
7540299 Apparatus and method for cooling a clutch of a motor vehicle Jun. 2, 2009
7243672 Flow control valve Jul. 17, 2007
7216662 Flow control apparatus May. 15, 2007
6758234 Pressure reducing valve Jul. 6, 2004
6698446 Check valve Mar. 2, 2004
6575189 Automatic valve Jun. 10, 2003
6568418 Precision regulator May. 27, 2003
6481454 Regulator with segmented body Nov. 19, 2002
6328535 Flow control valve capable of adjusting fluid flow characteristics in accordance with a position of a valve element in a bore Dec. 11, 2001
6173730 Charging and bleed value Jan. 16, 2001
6058962 Flow rate regulating valve of hydraulic pump May. 9, 2000
5857479 Precontrolled three-way pressure reduction valve Jan. 12, 1999
5735461 High-pressure cleaner with bypass valve for the pump Apr. 7, 1998
5655563 Dispensing apparatus with line pressure diverter Aug. 12, 1997
5580817 Valve assembly Dec. 3, 1996
5289843 Hydraulic safety valve Mar. 1, 1994
4674527 Pressure relieving linear motion valve Jun. 23, 1987
4554940 Pressure reducing and regulating valve Nov. 26, 1985
4515176 Solenoid operated pressure regulation May. 7, 1985
4475568 Pressure reducing and regulating valve Oct. 9, 1984
4470428 Unloader and check valve Sep. 11, 1984
4444216 Pressure reducing and regulating valve Apr. 24, 1984
4388047 Solenoid-operated pump Jun. 14, 1983
4249558 Bypass valve Feb. 10, 1981
RE30261 Modulating flow control valve Apr. 29, 1980
4182354 Method and apparatus for flow diversion in a high pressure fluid delivery system Jan. 8, 1980
4178953 Fail safe bypass valve Dec. 18, 1979
4171004 Safety regulator for fluid pressure Oct. 16, 1979
4159025 Back flow preventer valve Jun. 26, 1979
4121609 Hydraulic speed governor Oct. 24, 1978
4111223 Control line relief valve Sep. 5, 1978
3953154 Pressure control and unloader valve Apr. 27, 1976
3939859 Unloader valve with flow divider Feb. 24, 1976

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