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Class Information
Number: 137/855
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Resilient material valve > With valve member flexing about securement > Flap or reed
Description: Valve wherein the resilient member is fixed at a single location along its periphery and wherein the free portion of the member bends about this location to produce the desired valving action.










Sub-classes under this class:

Class Number Class Name Patents
137/857 With spring 56
137/856 With stop 183
137/858 With weight 9


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8684041 Control valve for a device for variably adjusting the valve timing for gas exchange valves in an internal combustion engine Apr. 1, 2014
8668168 Space vehicle valve system Mar. 11, 2014
8668478 Compressor having a shutdown valve Mar. 11, 2014
8668224 Check valve for airbag and airbag device Mar. 11, 2014
8646485 Flow restrictor and method for reducing resistance of a flow Feb. 11, 2014
8622089 Check valve and storage body equipped therewith Jan. 7, 2014
8602061 Flow control valve Dec. 10, 2013
8602062 Compact reed valve Dec. 10, 2013
8590573 Microfabricated fluidic circuit elements and applications Nov. 26, 2013
8568116 Compressor having a u-shaped discharge hole and a u-shaped discharge valve Oct. 29, 2013
8534324 Sump pump with reduced-noise check valve Sep. 17, 2013
8487579 Determination of the position of a component Jul. 16, 2013
8448448 Cooling air bleed device in a turbomachine May. 28, 2013
8439078 Odour trap May. 14, 2013
8408009 Cooling air bleed device in a turbine engine Apr. 2, 2013
8397513 Device for tapping cooling air in a turbomachine Mar. 19, 2013
8365771 Unidirectional valves and filtering face masks comprising unidirectional valves Feb. 5, 2013
8347919 Inflating valve for an inflatable object Jan. 8, 2013
8316876 Flushing device with removable drain ring for potable water systems Nov. 27, 2012
8276618 Flow restrictor and method for reducing resistance of a flow Oct. 2, 2012
8267162 Bi-directional pressure relief valve for a plate fin heat exchanger Sep. 18, 2012
8256464 Check valve flap for fluid injector Sep. 4, 2012
8215339 Vapor barrier with valve for a building Jul. 10, 2012
8209807 Automatic cleaning device for a surface submerged in a liquid Jul. 3, 2012
RE43289 Uni-directional fluid valve Apr. 3, 2012
8096791 Suction valve for a small hermetic compressor Jan. 17, 2012
8074685 One-way valve with flapper for vacuum bag Dec. 13, 2011
8043073 Micropump and adhesive-free method for joining two substrates Oct. 25, 2011
7975717 Pin insert Jul. 12, 2011
7959421 Compressor having a shutdown valve Jun. 14, 2011
7942160 Valves and pumps for microfluidic systems and method for making microfluidic systems May. 17, 2011
7934913 Piston compressor, particularly a hermetic refrigerant compressor May. 3, 2011
7931627 Check valve for medical Y-site Apr. 26, 2011
7895993 Internal combustion engine having exhaust gas recirculation Mar. 1, 2011
7828014 Self-riveting flapper valves Nov. 9, 2010
7735520 Tubular flapper valves Jun. 15, 2010
7654283 Check valve and pump including check valve Feb. 2, 2010
7644732 Slide-in flapper valves Jan. 12, 2010
7614422 Reed valve assembly Nov. 10, 2009
7556559 Control and pressure release valve Jul. 7, 2009
7517280 Air duct assembly for a vehicle Apr. 14, 2009
7413421 Multi-cylinder reciprocating compressor Aug. 19, 2008
7413007 Vehicle air-conditioning system Aug. 19, 2008
7390177 Piston compressor, particularly a hermetic refrigerant compressor Jun. 24, 2008
7364413 Reciprocating compressor with enlarged valve seat area Apr. 29, 2008
7338268 Discharge valve device of a compressor Mar. 4, 2008
7331360 Check valve with low shut off sound Feb. 19, 2008
7318451 Flapper valves with spring tabs Jan. 15, 2008
7306030 Snap-in baffle insert for fluid devices Dec. 11, 2007
7258533 Method and apparatus for scavenging energy during pump operation Aug. 21, 2007

1 2 3 4 5 6










 
 
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