Fluid handling – Systems – Multi-way valve unit
Patent
1980-07-29
1982-10-19
Rosenthal, Arnold
Fluid handling
Systems
Multi-way valve unit
251129, F16K 1104, F16K 3106
Patent
active
043545254
ABSTRACT:
An electromagnetic valve assembly including a housing, a movable core axially, movably disposed in the housing, an electromagnetic coil positioned adjacent the movable core actuatable to move the movable core from a first position to a second position upon energization of the electromagnetic coil, a shaft coaxial with the movable core and axially movable together with the movable core, a valve mechanism including a valve member axially movably mounted on the shaft, a first and second valve seat disposed in the housing, the valve member being seated on the first valve seat when the movable core is in the first position and being seated on the second valve seat when the movable core is in the second position, a first spring member for continuously biasing the shaft and movable core to the first position, a stopper member secured to the housing engageable with the shaft and movable core upon the movable core being disposed in the first position and a second spring member for continuously biasing the valve member so as to be seated on the first valve seat.
REFERENCES:
patent: 2708561 (1955-05-01), Ehlke
patent: 2934090 (1960-04-01), Kenann et al.
patent: 3092145 (1963-06-01), Brinkel
patent: 4074700 (1978-02-01), Engle
Kawata Shoji
Oyama Tadashi
Aisin Seiki Kabushiki Kaisha
Rosenthal Arnold
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