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Class Information
Number: 137/599.18
Name: Fluid handling > Systems > Dividing into parallel flow paths with recombining > Second valve assembly carried by first valve head > Carried valve is direct response valve (e.g., check valve, etc.)
Description: Subject matter wherein the other flow regulating means comprises a device which automatically limits the flow to a single direction and is sensitive to the pressure of the fluid.

Patents under this class:

Patent Number Title Of Patent Date Issued
8584704 Valve assembly for high-pressure fluid reservoir Nov. 19, 2013
8573255 Valve assembly for high-pressure fluid reservoir Nov. 5, 2013
8517046 Redundant metal-to-metal seals for use with internal valves Aug. 27, 2013
8424567 Bi-directional valve with cavity pressure relief Apr. 23, 2013
8316889 Control valve for a camshaft adjuster Nov. 27, 2012
8251090 Faucet having a pressure release function Aug. 28, 2012
7325569 Butterfly valve with integral split flapper relief valve Feb. 5, 2008
7296594 Combination check valve and neutral valve assembly for use in a hydraulic component Nov. 20, 2007
7278444 Valve assembly having improved pump-down performance Oct. 9, 2007
7152625 Combination check valve and release valve Dec. 26, 2006
7152619 Air tap assembly Dec. 26, 2006
7140385 Valve arrangement for controlling hydraulic fluid in an axial piston machine Nov. 28, 2006
7121302 Air tap assembly Oct. 17, 2006
7080654 Method for transporting easily polymerizable liquid by pipeline Jul. 25, 2006
7004186 Surge relief apparatus for a valve Feb. 28, 2006
6981519 Pressure-regulating valve Jan. 3, 2006
6796326 Gas pressure regulator Sep. 28, 2004
6435210 Electromagnetic valve Aug. 20, 2002
6431210 Inlet unloader valve Aug. 13, 2002
6164328 Three position retaining valve Dec. 26, 2000
6079440 Reversing valve with a cross section which is dependent on the direction of flow Jun. 27, 2000
5931193 Flow rate control device having priming mechanism Aug. 3, 1999
5785082 In-line fuel fill valve Jul. 28, 1998
5694965 Pneumatic pressure regulator Dec. 9, 1997
5666989 Tank venting control assembly Sep. 16, 1997
5580225 Pulsation causing check valve assembly for a plural piston pump system Dec. 3, 1996
5467851 Shock absorber with a check valve module and a check valve module for a shock absorber Nov. 21, 1995
5375623 Cartridge valve Dec. 27, 1994
5305790 Ball valve Apr. 26, 1994
5125323 Pressurized oil supply/discharge circuit and valve device for use in such circuit Jun. 30, 1992
5046686 Clack valve and flap valve with a controlled valve as well as aircraft with controlled valve of this type Sep. 10, 1991
4969485 Butterfly valve apparatus and method Nov. 13, 1990
4825909 High pressure hydraulic flow control valve May. 2, 1989
4762145 Underwater pressure relief valve Aug. 9, 1988
4742849 Angled pneumatic connection including means for regulating a one-way flow May. 10, 1988
4579044 Two-speed shift valve Apr. 1, 1986
4474211 Pressure and vacuum relief valve with debris-catching feature Oct. 2, 1984
4465093 Hydraulic fuse valve Aug. 14, 1984
4425939 Valve for adjusting the closing speed of a door closer Jan. 17, 1984
4195663 Condition responsive valve construction and method of making the same and system therefor Apr. 1, 1980
4164959 Metering valve Aug. 21, 1979
4158369 Hold-back valve for single release air brakes Jun. 19, 1979
4147180 Condition responsive valve construction Apr. 3, 1979
4079750 Vacuum delay valve Mar. 21, 1978
4072171 Pressure control valve for a sphygmomanometer Feb. 7, 1978
4071038 Failsafe fluid control valve Jan. 31, 1978
4003401 Liquid outlet valve Jan. 18, 1977
3993096 Damper construction Nov. 23, 1976

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