Valves and valve actuation – Electrically actuated valve
Patent
1994-09-30
1997-02-25
Lee, Kevin
Valves and valve actuation
Electrically actuated valve
25112915, 25112921, 417505, F16K 3106, F04B 700
Patent
active
056053177
ABSTRACT:
An electro-magnetically operated valve for control of pressurized fluid including a coil bobbin disposed within a housing, having a plunger subassembly moveably mounted in said housing having a fixed valve seat at one end and a magnet mounted at the opposite end and including a flow passage extending there between, whereby the plunger is moveable responsive to an electronic coil mounted in the coil bobbin between an open position wherein the valve body member is in spaced relationship with the valve seat permitting flow of pressurized fluid, and a closed position whereby the valve body member is seated against the valve seat, said valve being connected to sensor apparatus for sensing phase relations of a piston of a pump operationally connected to a switch apparatus for forming a magnetic circuit including the electro-magnetic coil such that the valve is operated by positively controlling the opening the opening and closing of the valve by passing a current through the coil.
REFERENCES:
patent: 3984315 (1976-10-01), Ernst et al.
patent: 4103686 (1978-08-01), LeFevre
patent: 4420393 (1983-12-01), Smith
patent: 4790351 (1988-12-01), Kervagoret
patent: 4911405 (1990-03-01), Weissgerber
Besse Keith D.
Mealy Stephen
Kahrl, Esq. Thomas A.
Lee Kevin
Sapphire Engineering, Inc.
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