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Class Information
Number: 137/630.22
Name: Fluid handling > Systems > Sequentially progressive opening or closing of plural valves > Lost motion > First valve actuates second valve
Description: Systems in which a subsequently operated valve is actuated by being contacted by the first or prior actuated valve, but not by the prior valve"s actuator.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8656956 Remote actuation of safety device Feb. 25, 2014
8584704 Valve assembly for high-pressure fluid reservoir Nov. 19, 2013
8573255 Valve assembly for high-pressure fluid reservoir Nov. 5, 2013
8474485 Three-position fluid valve for downhole use Jul. 2, 2013
8397759 Electromagnetic spool valve Mar. 19, 2013
8342206 Dual butterfly control valve and method of use Jan. 1, 2013
8267666 Air flow control apparatus Sep. 18, 2012
8196892 Fluid control valve Jun. 12, 2012
8113240 Low emission fluid transfer device Feb. 14, 2012
7967063 Air conditioning apparatus for vehicle Jun. 28, 2011
7905254 Shut-off valve Mar. 15, 2011
7798173 Electrically controllable valve Sep. 21, 2010
7575020 Multi stage pressure regulator Aug. 18, 2009
7520299 Valve structure and control techniques Apr. 21, 2009
7494075 Pressure control valve Feb. 24, 2009
7383860 Flow control valve with two stage pintel and concentric valve seats Jun. 10, 2008
7347221 Solenoid valve Mar. 25, 2008
7178553 Leak-resistant solenoid valves Feb. 20, 2007
7011110 High capacity co-axial gas valve Mar. 14, 2006
6981688 Flow control device Jan. 3, 2006
6974120 Solenoid fuel drain valve Dec. 13, 2005
6957661 Valve with pressurization rate reduction device Oct. 25, 2005
6901962 Surge prevention device Jun. 7, 2005
6843271 Fuel tank pressure control valve including an integrated sensor Jan. 18, 2005
6729351 Expanded range multiple-stage metering valve May. 4, 2004
6663194 Solenoid valve for brake systems Dec. 16, 2003
6581621 Valve and fuel tank provided with a valve for a motor vehicle Jun. 24, 2003
6491056 Sprinkler alarm test and drainage device for fire protection systems Dec. 10, 2002
6371149 Shuttle valve assembly and improved shifting thereof Apr. 16, 2002
6338445 Fuel injector Jan. 15, 2002
6309033 Switchable orifice solenoid with plate valve for an anti-lock brake system Oct. 30, 2001
6196258 Pressure control valve and evaporation fuel discharge control device Mar. 6, 2001
6192922 Airflow control valve for a clean room Feb. 27, 2001
6092783 Pressure regulating valve with optimized deaeration Jul. 25, 2000
5941424 Valve device for a compressed gas container Aug. 24, 1999
5901745 Multi-solution dispensing valve May. 11, 1999
5878773 Auxiliary flow path valve Mar. 9, 1999
5782269 Soft seal poppet type check valve Jul. 21, 1998
5649567 Sealing arrangement, for use with, and in combination with, a steam and fuel oil control and furge valve, and a valve seat therefor Jul. 22, 1997
5460203 Air valve Oct. 24, 1995
5449023 Multi-fluid flow control device Sep. 12, 1995
5287887 Handle operated flow control valve Feb. 22, 1994
5226452 Drain plug for a hydraulic circuit Jul. 13, 1993
5165443 Double block and vent valve system with improved flow handling feature Nov. 24, 1992
5135032 Slurry gate valve Aug. 4, 1992
5090451 Combination steam and fuel oil supply and purge valve with recirculation feature Feb. 25, 1992
5048563 Steam and fuel oil supply and purge valve with cooling steam feature Sep. 17, 1991
4863068 Post-mix drink dispenser Sep. 5, 1989
4798223 Double block and vent valve system Jan. 17, 1989
4738282 Zero leakage valve Apr. 19, 1988

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