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Class Information
Number: 137/508
Name: Fluid handling > Line condition change responsive valves > With separate connected fluid reactor surface > Valve seat or external sleeve moves to open valve
Description: Apparatus in which the separate reactor surface comprises a movable member in which is located an orifice to be controlled, the closure for which is either fixed with respect to the valve casing, or has movement which is different from or less than the possible movement of the orifice member, whereby the controlled orifice is opened by movement of the orifice member beyond a predetermined point.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8667986 Pressure-regulating valve for regulating the pressure in a high-pressure fuel accumulator of an internal combustion engine Mar. 11, 2014
8607811 Injection valve with indexing mechanism Dec. 17, 2013
8567302 Compressed gas operated instrument, in particular a surgical instrument Oct. 29, 2013
8539975 Drill string valve and method Sep. 24, 2013
8485213 Internal relief valve apparatus for use with loading regulators Jul. 16, 2013
8424561 Pressure regulator Apr. 23, 2013
8210200 Flow regulator device Jul. 3, 2012
8191573 Pressure regulating valve with a direct damping action Jun. 5, 2012
8176995 Reduced-impact sliding pressure control valve for pneumatic hammer drill May. 15, 2012
8141579 Valve with cushioned opening system Mar. 27, 2012
8051876 Pressure limiting valve with a hydraulic seal ring Nov. 8, 2011
7870869 Dome-loaded pressure regulators Jan. 18, 2011
7866339 Pressure regulator for a fuel supply unit Jan. 11, 2011
7836911 Gas pressure regulator with a valve and piston assembly Nov. 23, 2010
7828009 Pressure reducing regulator with adjustable feature Nov. 9, 2010
7828010 Pressure regulator for a fuel supply unit and method for production of a pressure regulator Nov. 9, 2010
7743787 Mud saver valve with magnetic latching Jun. 29, 2010
7669610 Dome-loaded pressure regulators Mar. 2, 2010
7658289 Substrate storage container Feb. 9, 2010
7658290 Substrate storage container Feb. 9, 2010
7654282 Easy-type water pressure reducing apparatus Feb. 2, 2010
7575021 Gas pressure regulator Aug. 18, 2009
7527104 Selectively activated float equipment May. 5, 2009
7500491 Sanitary fluid pressure control valve Mar. 10, 2009
7464722 Fluid proportioning valve Dec. 16, 2008
7455180 Substrate storage container Nov. 25, 2008
7258133 Pressure reducing valve Aug. 21, 2007
7231938 Check valve for pump of electronically controlled brake system Jun. 19, 2007
7219689 Automatically flushing water regulator for animal watering systems May. 22, 2007
7201184 Pressure protection valve Apr. 10, 2007
7201183 Valve arrangement in a hydraulic circuit, use of the same and arrangement for controlling a hydraulic vehicle drive Apr. 10, 2007
7159611 Inline flow control device Jan. 9, 2007
7146997 Regulator with flow diffuser Dec. 12, 2006
7131457 Flow-through pressure regulator including a perforated diaphragm-to-seat spring retainer Nov. 7, 2006
7121298 Reducer valve for pressurized gas Oct. 17, 2006
7111638 Excess flow shutoff Sep. 26, 2006
7111639 Pressure regulator including a press-fit spring retainer Sep. 26, 2006
7082956 Regulator with flow distributor Aug. 1, 2006
7077158 Velocity head compensated valve assembly Jul. 18, 2006
7032272 Friction hinge Apr. 25, 2006
6988509 Riser line shutoff valve Jan. 24, 2006
6971402 Liquid control valve Dec. 6, 2005
6945265 Regulator with multiple flow diffusers Sep. 20, 2005
6932107 Flow control valves Aug. 23, 2005
6820643 Liquid pressure regulator with built-in antidrainage valve Nov. 23, 2004
6796323 Dual seat valve Sep. 28, 2004
6761185 Constant gas flow regulating device Jul. 13, 2004
6748964 Flow-through pressure regulator self-contained valve assembly Jun. 15, 2004
6691739 Valve assembly and pulsator device constructed therewith Feb. 17, 2004
6629543 Fuel system including a self-contained flow-through pressure regulator Oct. 7, 2003

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