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Class Information
Number: 137/207
Name: Fluid handling > Diverse fluid containing pressure systems > Gas pressure storage over or displacement of liquid > Surge suppression
Description: Apparatus wherein the gas is trapped in a dome over a liquid from a liquid distribution system to suppress or absorb pressure surges in the liquid system.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8561631 Liquid impact pressure control methods and systems Oct. 22, 2013
8555911 Method and apparatus for water surge protection Oct. 15, 2013
8499796 Pipeline pressure stabilization apparatus and method Aug. 6, 2013
8375976 Method and device for attenuating pressure surges of liquids flowing inside a liquid conduit Feb. 19, 2013
7874317 Micro pipeline pressure stabilization apparatus Jan. 25, 2011
7861739 Hydraulic pressure damping device Jan. 4, 2011
7857005 Pulsation attenuator for a fluidic system Dec. 28, 2010
7637990 Air vent apparatus for water tube Dec. 29, 2009
7562678 Pipeline pressure stabilizer Jul. 21, 2009
7520300 Pulsation attenuator for a fluidic system Apr. 21, 2009
7455083 Accumulator for gaseous systems Nov. 25, 2008
7353845 Inline bladder-type accumulator for downhole applications Apr. 8, 2008
6767188 Constant output fluidic system Jul. 27, 2004
6742534 Method of damping surges in a liquid system Jun. 1, 2004
6732758 Fluid shock absorber assembly May. 11, 2004
6672337 Serially connected fluid hammer preventer Jan. 6, 2004
6516825 Method and valve device for counteracting harmful pressure pulses in a hydraulic system Feb. 11, 2003
6422262 Discharge device for raw materials and fuels Jul. 23, 2002
6336467 Float and valve assembly for accumulator Jan. 8, 2002
6167756 Pivotal float for liquid level detection apparatus Jan. 2, 2001
6047721 Air introduction device for a hydro-pneumatic reservoir Apr. 11, 2000
6029690 Inlet portion of a valve Feb. 29, 2000
5860799 Pulsation damper for marine tank pumpout systems Jan. 19, 1999
5785815 Process for damping pressure pulsations and apparatus for performing the process Jul. 28, 1998
5647392 Air regulation system for hydropneumatic reservoir Jul. 15, 1997
5520208 Resilient seal for a liquid-gas accumulator May. 28, 1996
5476448 Apparatus for suppressing a vacuum surge in eye surgery Dec. 19, 1995
5415197 Equalizing reservoir configuration, especially for cooling circuits in nuclear power stations May. 16, 1995
5333524 Pressure stabilizer for barfeed apparatus Aug. 2, 1994
5322551 Fluid slug flow mitigation with partitioned pipe Jun. 21, 1994
5218987 Method and apparatus for water surge protection and protection of fire hydrant systems Jun. 15, 1993
5097862 Accumulator with a valve connected float Mar. 24, 1992
5095933 Expandable float assembly for use with an accumulator Mar. 17, 1992
5020565 Water hammer absorber Jun. 4, 1991
5021125 Pistonless accumulator Jun. 4, 1991
4938789 Raw material supplying device and process Jul. 3, 1990
4921004 Piercing surge regulator valve and apparatus May. 1, 1990
4823827 Float system for accumulator Apr. 25, 1989
4742842 Hydro-pneumatic pressure vessels May. 10, 1988
4612089 Surge suppression device Sep. 16, 1986
4590796 Apparatus and method for pulsation damping and flow measurement in liquid fuel system May. 27, 1986
4570664 Venting device for oil-burning installations Feb. 18, 1986
4518005 Guided float accumulator May. 21, 1985
4497333 Sequencing valve and irrigation system Feb. 5, 1985
4442858 Surge chamber Apr. 17, 1984
4431026 Pressure control valve Feb. 14, 1984
4373462 Fillable structure Feb. 15, 1983
4347863 Combined safety vent and siphon unloading nozzle for liquid transportation vehicle Sep. 7, 1982
4345715 Safety device for a heat exchange equipment filled with pressurized liquid Aug. 24, 1982
4340079 Energy dissipating pipeline surge relief system Jul. 20, 1982

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