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Class Information
Number: 137/630.2
Name: Fluid handling > Systems > Sequentially progressive opening or closing of plural valves > Lost motion > Cam determines sequence
Description: Systems in which cam means, usually between the actuator and the valves, compels the sequential actuation of the valves.










Patents under this class:

Patent Number Title Of Patent Date Issued
8701603 Control valve unit for a liquid circuit Apr. 22, 2014
8403004 Variable flow rate controller Mar. 26, 2013
8118061 Variable flow rate controller Feb. 21, 2012
6571829 Gas control valve in water heater Jun. 3, 2003
6405758 Valve driving apparatus Jun. 18, 2002
5368509 Tilt lock system for outboard motor Nov. 29, 1994
4870990 Double-flow butterfly valve part Oct. 3, 1989
4836163 Throttle-butterfly connector piece for an internal combustion engine Jun. 6, 1989
4830039 Fuel control valve construction, parts therefor, and methods of making the same May. 16, 1989
4739798 Multiple control valve for mixing fluids Apr. 26, 1988
4570663 Distribution valve with dual cams to prevent uncontrolled excursions of valve balls Feb. 18, 1986
4566628 Method of and system for controlling the ratio between the water flow rate in the primary circuit and the water flow rate in the secondary circuit of a hot water heating system Jan. 28, 1986
4523606 Distribution valve Jun. 18, 1985
4306623 Valve assembly for a subterranean well conduit Dec. 22, 1981
4220175 Anti-scald apparatus for a tub and shower single control faucet Sep. 2, 1980
4191214 Sequential operating mechanism for valves Mar. 4, 1980
4159105 Shock absorber with adjustable spring load Jun. 26, 1979
4121736 Hand held atomizer washing device Oct. 24, 1978
4082115 Valve operator Apr. 4, 1978
3983901 Hydrostatic control - pivot steering Oct. 5, 1976











 
 
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