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Class Information
Number: 137/504
Name: Fluid handling > Line condition change responsive valves > With separate connected fluid reactor surface > Responsive to change in rate of fluid flow > Movable deflector or choke
Description: Apparatus in which the separate reactive surface which controls the valve includes a choke, restriction, or deflector, in the fluid flow line and subject to the flow of fluid, such choke, restriction, or deflector being mounted as to be moved by the fluid proportionally to the rate of fluid flow.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8671974 Flow-actuated actuator and method Mar. 18, 2014
8561639 Flow check valve assembly and method Oct. 22, 2013
8408228 Flow control valve for a broken sprinkler Apr. 2, 2013
8408242 Overflow shutoff valve Apr. 2, 2013
8348227 Flow-volume regulator Jan. 8, 2013
8316880 Oil filter bypass valve assembly for a generator Nov. 27, 2012
8302594 Air control regulator for combustion chamber Nov. 6, 2012
8291931 Flow control valve Oct. 23, 2012
8267115 Self compensated, adjustable fluid emitter, particularly in irrigation systems Sep. 18, 2012
8261822 Flow regulator assembly Sep. 11, 2012
8251100 Needle-type stepped cylindrical stopper for automatic control of water consumption in pipelines Aug. 28, 2012
8225815 Fluid flow regulator Jul. 24, 2012
8210200 Flow regulator device Jul. 3, 2012
8191571 Fluid circuit breaker quick disconnect coupling Jun. 5, 2012
8167002 Flow restrictor May. 1, 2012
8118052 Method of forming a polyurethane foam Feb. 21, 2012
8079358 Air control regulator for combustion chamber Dec. 20, 2011
8047224 Cartridge insert valve Nov. 1, 2011
7972561 Microfluidic device Jul. 5, 2011
7493195 Fluid regulation control Feb. 17, 2009
7487792 Constant flow valve Feb. 10, 2009
7363940 Flow-rate restrictor insert for orifice expansion device Apr. 29, 2008
7258131 Safety valve Aug. 21, 2007
7246635 Automatic flow rate control valve Jul. 24, 2007
7156120 Inline liquid flow control valve Jan. 2, 2007
7140386 Surge suppression and safety cut-off valve Nov. 28, 2006
7128087 Differential pressure valve Oct. 31, 2006
7114518 Flow regulating valve Oct. 3, 2006
7111638 Excess flow shutoff Sep. 26, 2006
7066200 Insert for dynamic flow control Jun. 27, 2006
6988514 Hydroaccumulator, in a particular a bladder accumulator Jan. 24, 2006
6874752 Regulation insert with several adjustment possibilities Apr. 5, 2005
6866066 Hydraulic accumulator Mar. 15, 2005
6840268 High-pressure connector having an integrated flow limiter and filter Jan. 11, 2005
6830062 Spigot freeze dripper Dec. 14, 2004
6799599 Valve Oct. 5, 2004
6789567 Bi-directional constant flow device Sep. 14, 2004
6328061 Variable flow area refrigerant expansion device Dec. 11, 2001
6305414 Variable flow area refrigerant expansion device Oct. 23, 2001
6305356 Common rail system Oct. 23, 2001
6289924 Variable flow area refrigerant expansion device Sep. 18, 2001
6257274 Valve opening and closing mechanism Jul. 10, 2001
6206031 Reduced length pressure compensating liquid flow regulator Mar. 27, 2001
6196259 Method and apparatus for regulating and terminating fluid flow Mar. 6, 2001
6173737 Bidirectional flow control valve Jan. 16, 2001
6161572 Premix dispensing valve with integral pressure regulation Dec. 19, 2000
6110427 Flow regulator to maintain controllable volumetric flow rate Aug. 29, 2000
6041771 Apparatus and method of automatically regulating intake of air into heating unit Mar. 28, 2000
5996632 Pressure relief adapter Dec. 7, 1999
5988211 I.V. flow controller Nov. 23, 1999

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