Fluid handling – Systems – Multi-way valve unit
Patent
1994-08-22
1996-03-12
Michalsky, Gerald A.
Fluid handling
Systems
Multi-way valve unit
13762525, 25112907, F15B 13044, F16K 1100
Patent
active
054978068
ABSTRACT:
A three-way valve including a valve housing having a valve chamber and a high pressure fluid supply inlet, high pressure fluid outlet and drain communicating with the valve chamber is disclosed. A movable member is reciprocally received in the valve chamber so as to be reciprocated between first and second positions for selectively fluidically communicating the outlet with either the inlet or drain. A first valve seat is formed in the valve housing and concentrically disposed in the valve chamber for sealing communication between the outlet and drain and a second valve seat is concentrically disposed in a cavity formed in the movable member for sealing communication between the inlet and outlet. A floating pin is received in the movable valve member cavity at a one end of the movable valve member and cooperates with the second valve seat for selectively sealing fluidic communication between the inlet and the outlet. An actuating device is mounted on the valve housing adjacent an end of the movable valve member opposite the floating pin for advancing the movable valve member toward the first position when energized and for allowing the movable valve member to retract to the second position when de-energized.
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Cavanagh Mark S.
Dingle Philip J. G.
Doszpoly Bela
Lane John D.
Pataki Arpad M.
Cummins Engine Company, Inc.
Lucas Industries PLC
Michalsky Gerald A.
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