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Class Information
Number: 137/115.1
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 > Choke > Variable choke resistance
Description: Subject matter wherein the choke is adjustable to provide different flow resistances without requiring disassembly of the sensor.

Patents under this class:

Patent Number Title Of Patent Date Issued
8662097 Flow control valve with damping chamber Mar. 4, 2014
5857478 Demand responsive flow control valve Jan. 12, 1999
5832949 Control valve Nov. 10, 1998
5785075 Fluid-flow control valve Jul. 28, 1998
5775360 Pressure control valve Jul. 7, 1998
5706849 Flow control valve Jan. 13, 1998
5337778 Pressure control valve Aug. 16, 1994
5220939 Flow control apparatus Jun. 22, 1993
5137046 Fluid metering apparatus Aug. 11, 1992
5078173 Droop compensated bypass valve Jan. 7, 1992
4895180 Anti-backflow valve Jan. 23, 1990
4840244 Automatic regulator valve assembly for vehicle power steering Jun. 20, 1989
4768540 Flow control apparatus Sep. 6, 1988
4753264 Flow control valve Jun. 28, 1988
4708156 Fuel burner pump assembly Nov. 24, 1987
4625747 Pressure responsive flow divider valve for servo-powered steering devices Dec. 2, 1986
4585169 Constant volume flow burner fuel control system Apr. 29, 1986
4570667 Demand responsive flow regulator valve Feb. 18, 1986
4570662 Demand responsive flow control valve Feb. 18, 1986
4458713 Bypass-type differential pressure regulator Jul. 10, 1984
4442857 Flow control valve Apr. 17, 1984
4418710 Pilot control valve for load sensing hydraulic system Dec. 6, 1983
4396033 Flow volume control device for a power assisted steering device Aug. 2, 1983
4240457 Variable flow control valve for steering systems of articulated vehicles Dec. 23, 1980
4117857 Fuel control system for a prime mover Oct. 3, 1978
4098285 Device for regulating the differential pressure between two different pressure points of a fluid circuit Jul. 4, 1978
4039637 Fuel supply systems for heat generators Aug. 2, 1977
4033371 Proportioning valve for volumetric proportioning of flow Jul. 5, 1977
3980095 Power transmission Sep. 14, 1976
3965921 Controlled opening pressure compensated flow control valve Jun. 29, 1976

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