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Class Information
Number: 251/61.3
Name: Valves and valve actuation > Fluid actuated or retarded > Flexible wall expansible chamber reciprocating valve actuator > Coaxial actuator, seat and valve > Valve between coaxial spring biasing means and actuator
Description: Subject matter in which the control member is biased by spring means concentric with the axis of such member and positioned on the side of the control member opposite that of the flexible wall, the spring means acting between a fixed member and the control member.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6932318 |
Flow control device |
Aug. 23, 2005 |
| 6810667 |
Bypass valve system of a turbo-charged engine |
Nov. 2, 2004 |
| 6786231 |
Fluid flow regulator with restrictor pin |
Sep. 7, 2004 |
| 6752378 |
Valve assembly with integral seat |
Jun. 22, 2004 |
| 6626415 |
Valve assembly |
Sep. 30, 2003 |
| 6595231 |
Device and method for regulating the pressure of a gas stream |
Jul. 22, 2003 |
| 6431207 |
High-pressure ball-poppet control valve |
Aug. 13, 2002 |
| 6431209 |
Multi-pressure ball-poppet control valve |
Aug. 13, 2002 |
| 6427967 |
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Aug. 6, 2002 |
| 6386509 |
Back pressure control valve |
May. 14, 2002 |
| 6250600 |
Bellows-type pressure responsive valve |
Jun. 26, 2001 |
| 6217292 |
Variable displacement type refrigerant compressor |
Apr. 17, 2001 |
| 6062534 |
Double acting rotary valve actuator |
May. 16, 2000 |
| 5979864 |
Double convoluted pliable pressure conversion unit |
Nov. 9, 1999 |
| 5676343 |
High pressure water regulating valve |
Oct. 14, 1997 |
| 5454399 |
Application and release magnet valve |
Oct. 3, 1995 |
| 5447286 |
High flow valve |
Sep. 5, 1995 |
| 5390697 |
Combination valve |
Feb. 21, 1995 |
| 5346174 |
Spring-biased valve assembly for a gear pump |
Sep. 13, 1994 |
| 5261442 |
Diaphragm valve with leak detection |
Nov. 16, 1993 |
| 5238219 |
Thermostatic expansion valve |
Aug. 24, 1993 |
| 5147530 |
Well water removal and treatment system |
Sep. 15, 1992 |
| 5121899 |
Fuel control valve construction |
Jun. 16, 1992 |
| 5054508 |
Fuel tank vent system and diaphragm valve for such system |
Oct. 8, 1991 |
| 4971004 |
Deceleration enrichener system |
Nov. 20, 1990 |
| 4945851 |
Submersible inflatable craft |
Aug. 7, 1990 |
| 4877218 |
Drain valve device |
Oct. 31, 1989 |
| 4858937 |
Pressure controller for a buffer fluid seal |
Aug. 22, 1989 |
| 4752445 |
Bi-directional sealing method to control fluid flow between an air inlet and a pressure chamber |
Jun. 21, 1988 |
| 4694848 |
Flow control valve |
Sep. 22, 1987 |
| 4683992 |
Vehicle suspension damper with remote control |
Aug. 4, 1987 |
| 4615353 |
Pneumatic control valves with diaphragm actuators and modular body structure |
Oct. 7, 1986 |
| 4544328 |
Sold-out device for syrup pump |
Oct. 1, 1985 |
| 4527580 |
Volume control device |
Jul. 9, 1985 |
| 4507059 |
Variable delivery compressor |
Mar. 26, 1985 |
| 4504214 |
Control valve for a burner with shutoff characteristics |
Mar. 12, 1985 |
| 4486001 |
Air actuated fluid control valve with fluid supported diaphragm |
Dec. 4, 1984 |
| 4483508 |
Gradient power valve assembly |
Nov. 20, 1984 |
| 4469124 |
Gas shut-off valve |
Sep. 4, 1984 |
| 4357748 |
Fluid flow sensing switch device method of making the same |
Nov. 9, 1982 |
| 4356625 |
Fluid flow sensing switch device--method of making |
Nov. 2, 1982 |
| 4310141 |
Vacuum operated valve mechanism |
Jan. 12, 1982 |
| 4271859 |
Temperature sensor |
Jun. 9, 1981 |
| 4257228 |
By-pass valve |
Mar. 24, 1981 |
| 4217969 |
Position feedback valve assembly and servo motor incorporating same |
Aug. 19, 1980 |
| 4177970 |
Valve assembly for use in an air distribution system |
Dec. 11, 1979 |
| 4135697 |
Low pressure pilot valve |
Jan. 23, 1979 |
| 4108197 |
Condition response differential vacuum regulator and method of making the same |
Aug. 22, 1978 |
| 4087986 |
Control valve |
May. 9, 1978 |
| 4015776 |
Thermostatic expansion valve |
Apr. 5, 1977 |
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