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Class Information
Number: 137/115.14
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
Description: Subject matter comprising an additional valve in another flow path and wherein the sensor which controls the bypass or relief valve also controls the additional valve.










Sub-classes under this class:

Class Number Class Name Patents
137/115.15 Bypass or relief valve opens as other branch valve closes 39


Patents under this class:

Patent Number Title Of Patent Date Issued
8336571 Overpressure shutoff and relief valve assembly Dec. 25, 2012
8215330 Adjustable recirculating valve Jul. 10, 2012
6758234 Pressure reducing valve Jul. 6, 2004
6629411 Dual displacement motor control Oct. 7, 2003
6382235 Device for over-pressure protection for a storage tank May. 7, 2002
5732730 Combined check valve and metering valve assembly Mar. 31, 1998
5323799 Fully mechanical pressure relief system Jun. 28, 1994
5209255 Accumulator loading valve May. 11, 1993
5058618 Relief valve for hydraulic fluid Oct. 22, 1991
4921547 Proportional priority flow regulator May. 1, 1990
4890636 Fluid pressure control for use in transmission Jan. 2, 1990
4690620 Variable radial piston pump Sep. 1, 1987
4620560 Modulating relief valve with dual functioning load piston Nov. 4, 1986
4570661 Hydraulic fluid supply systems Feb. 18, 1986
4498494 Air control for a lumbar support device Feb. 12, 1985
4410000 Pressure control apparatus for at least two pressure vessels Oct. 18, 1983
4378816 Hydraulic priority valve Apr. 5, 1983
4291612 Power brake system differential air pressure control valve assembly Sep. 29, 1981
4276960 Oil distributing means Jul. 7, 1981
4249558 Bypass valve Feb. 10, 1981
4228818 Crossover relief valve Oct. 21, 1980
4171004 Safety regulator for fluid pressure Oct. 16, 1979
4040439 Cushion valve arrangement Aug. 9, 1977
3983894 Fluid valves Oct. 5, 1976











 
 
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