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Class Information
Number: 137/878
Name: Fluid handling > Systems > With flow control means for branched passages > Biased valve > Spring bias
Description: System wherein a resilient mass is provided to urge the flow control means to a desired position.










Sub-classes under this class:

Class Number Class Name Patents
137/879 For valve having a ball head 17
137/881 Spring coaxial with valve 125
137/880 With threaded actuator 1


Patents under this class:

Patent Number Title Of Patent Date Issued
8522670 Hydraulic circuit for instant beverage machines, relief and safety valve for said circuit and method for the preparation of instant beverages Sep. 3, 2013
8418720 Water diverting device Apr. 16, 2013
8302627 Hydraulic system Nov. 6, 2012
7823606 Device for adjusting and throttling the flow-rate of a fluid, particularly medical oxygen and compressed gases in general Nov. 2, 2010
7806142 Combined relief valve and check valve Oct. 5, 2010
7789106 Hot water fluid isolation valve Sep. 7, 2010
7631662 Hot/cold fluid isolation valve Dec. 15, 2009
7004187 Line pressure diverter apparatus Feb. 28, 2006
6880572 Exhaust gas control valve, apparatus and method of controlling exhaust gas flow Apr. 19, 2005
6085791 Close-off and connecting unit for hydromassage orifices Jul. 11, 2000
6032693 Solenoid valve assembly for controlling gas supply Mar. 7, 2000
5934994 Damper apparatus including plenum and multiple damper blades Aug. 10, 1999
5840155 Blower arrangement for detaching a metallized belt from a sheet and for providing a braking force on a sheet in a platen press Nov. 24, 1998
5785072 Compressed stopper channel bypass pipe burst pressure relief apparatus for plumbing fixtures Jul. 28, 1998
5738145 Valve assembly for gas cylinder Apr. 14, 1998
5711508 Quick connect fluid coupling equipped with check valve and service valve Jan. 27, 1998
5647393 Single-point armature Jul. 15, 1997
5437307 Intake bypass valve Aug. 1, 1995
5379801 Exhaust directing valve mechanism for a vehicle Jan. 10, 1995
5280882 Electromagnetic valve Jan. 25, 1994
5193586 Grain chute valve Mar. 16, 1993
4998836 Venturi line operated soap brush Mar. 12, 1991
4616677 Manifold fitting for a compressed air tank Oct. 14, 1986
4598685 Fuel pumping apparatus Jul. 8, 1986
4425941 Valve construction having multiple piston means and method of making the same Jan. 17, 1984
4192349 Air conditioning valve Mar. 11, 1980
4143677 Exhaust system for vehicle Mar. 13, 1979
4002370 Valve assembly for exhaust system Jan. 11, 1977
3982562 Pressure control apparatus Sep. 28, 1976
3974861 Air flow direction control valves Aug. 17, 1976











 
 
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