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Class Information
Number: 137/115.04
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Bypass or relief controlled by main line fluid condition > Flow rate responsive > Including controlling main line flow
Description: Subject matter wherein the sensor is regulating the flow in the main line in response to the variation in the flow rate.










Sub-classes under this class:

Class Number Class Name Patents
137/115.05 Relief or bypass closes as main opens 33


Patents under this class:

Patent Number Title Of Patent Date Issued
8297297 Compressed air supply system for a commercial vehicle and method for operating a compressed air supply system Oct. 30, 2012
8215330 Adjustable recirculating valve Jul. 10, 2012
8091575 Valve system Jan. 10, 2012
7556479 Power steering pump relief system filter Jul. 7, 2009
6932102 Device for regulating the flow rate and/or the pressure of a fluid Aug. 23, 2005
6675823 Relief valve Jan. 13, 2004
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
5685332 Valve assembly Nov. 11, 1997
5515879 Load sensed multi-purpose pressure control valve May. 14, 1996
5497801 Flow control valve Mar. 12, 1996
5348040 Fluidic valve mechanism Sep. 20, 1994
5333638 Automatic recirculation valve Aug. 2, 1994
4964433 Rotary valve Oct. 23, 1990
4738330 Hydraulic drive system for use with vehicle power steering pump Apr. 19, 1988
4669495 Adjustable flow regulating valve Jun. 2, 1987
4420934 Automotive vehicle hydraulic system Dec. 20, 1983
4392366 Flow controller Jul. 12, 1983
4346555 Exhaust air flow proportioning valve Aug. 31, 1982
4243064 Bypass valve for pumps, heating systems and the like Jan. 6, 1981
4171708 Bypass and unloader valve Oct. 23, 1979
4002027 Multiple pump control system Jan. 11, 1977
3998134 Load responsive fluid control valves Dec. 21, 1976
3989414 Pump for servo steering Nov. 2, 1976
3987627 Hydraulic governor Oct. 26, 1976











 
 
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