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Class Information
Number: 137/857
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 > With spring
Description: Valve wherein a resilient, energy storing, bias means is provided.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8425204 Pump Apr. 23, 2013
8360106 Curved pliant film valves Jan. 29, 2013
8360105 Air admittance vent Jan. 29, 2013
7493915 Discharge valve for compressor Feb. 24, 2009
7074022 Discharge valve assembly for reciprocating compressors Jul. 11, 2006
7066296 Valve device for silencer Jun. 27, 2006
7063520 Suction valve assembly of reciprocating compressor Jun. 20, 2006
7059344 Discharge valve mechanism for variable displacement compressor Jun. 13, 2006
6969314 Air exhauster invention Nov. 29, 2005
6932115 Valve apparatus for hermetic compressor Aug. 23, 2005
6893233 Noise reducing cylinder assembly for compressor May. 17, 2005
6823896 Valve assembly of a reciprocal compressor Nov. 30, 2004
6820644 Delivery valve device for refrigerant fluid compressor Nov. 23, 2004
6796331 Delivery valve device for a fluid compressor Sep. 28, 2004
6592346 Compressor discharge valve Jul. 15, 2003
6579075 Compressor Jun. 17, 2003
6454545 Compressor Sep. 24, 2002
6273463 Airbag vent valve and system Aug. 14, 2001
6012489 Compression value assembly applied to a hermetic cooling compressor Jan. 11, 2000
6006785 Suction valve for an axial piston compressor Dec. 28, 1999
6006786 Valved discharge mechanism for fluid displacement apparatus Dec. 28, 1999
5934305 Method of manufacturing a reciprocating compressor Aug. 10, 1999
5909749 Valve apparatus of hermetic type compressor Jun. 8, 1999
5887622 Valve assembly of a compressor Mar. 30, 1999
5875819 Discharge valve apparatus for hermetic compression Mar. 2, 1999
5823870 Method and apparatus for reducing exhaust flap movement Oct. 20, 1998
5775887 Spacer configuration for a discharge reed valve of a hermetic type compressor Jul. 7, 1998
5769126 Discharge valve assembly in a reciprocating compressor Jun. 23, 1998
5676533 Discharge valve arrangement for a hermetic type compressor Oct. 14, 1997
5647395 Valved discharge mechanism of a fluid displacement apparatus Jul. 15, 1997
5601118 Discharge valve apparatus of compressor Feb. 11, 1997
5577901 Compressor with valve unit for controlling suction and discharge of fluid Nov. 26, 1996
5558508 Reed-type discharge valve arrangement for a hermetic compressor Sep. 24, 1996
5554016 Spring configuration for a hermetic compressor discharge valve Sep. 10, 1996
5209260 Valve unit for hermetic reciprocating type compressor May. 11, 1993
5178183 Compressor discharge valve Jan. 12, 1993
5110272 Valve unit for a reciprocating compressor for refrigerators and the like May. 5, 1992
5099886 Seals for gas isolators having multiple bias springs Mar. 31, 1992
5016669 Valve assembly May. 21, 1991
4895494 Interchangeable manifolds for diaphragm pumps Jan. 23, 1990
RE32651 Pressure valve for a compressor Apr. 26, 1988
4723896 Compressor discharge valve assembly Feb. 9, 1988
4721130 Valve structure of hydraulic buffer Jan. 26, 1988
4699574 Low head, high volume pump apparatus and method Oct. 13, 1987
4664154 Reed valve May. 12, 1987
4628963 Refrigerant compressor discharge valve Dec. 16, 1986
4542768 Pressure relief valve Sep. 24, 1985
4524806 Pressure valve for a compressor Jun. 25, 1985
4489753 Straightway valve Dec. 25, 1984
4325411 Seals for gas isolators Apr. 20, 1982

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