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Class Information
Number: 137/115.17
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 biased open > Increasing pressure progressively closes then reopens by-pass or relief valve
Description: Subject matter wherein the increase in the fluid pressure progressively closes the bypass or relief valve and reopens at still higher pressure.










Patents under this class:

Patent Number Title Of Patent Date Issued
8156742 Fuel-injection device in a turbomachine Apr. 17, 2012
7334597 Liquid/vapor bypass valve Feb. 26, 2008
5718255 Flow-responsive diverting valve Feb. 17, 1998
5263508 Sewer line water trap charging valve with improved adjustment for house line pressure changes Nov. 23, 1993
5215444 System for controlling oil viscosity and cleanliness Jun. 1, 1993
5058618 Relief valve for hydraulic fluid Oct. 22, 1991
4543977 Valves Oct. 1, 1985
4446882 Solenoid-operated valve means for hydraulic systems May. 8, 1984
4445527 Valve extension May. 1, 1984
4441629 Compressed gas powered caulking gun Apr. 10, 1984
4332134 Hydrostatic transmission bleed-off valve Jun. 1, 1982
4282757 Device for detecting rate of change in pressure Aug. 11, 1981
4282757 Device for detecting rate of change in pressure Aug. 11, 1981
4273151 In-line relief valve Jun. 16, 1981
4006805 Clutches with bypass inching valve Feb. 8, 1977











 
 
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