Fluid handling – Systems – Multi-way valve unit
Patent
1988-09-06
1989-07-04
Michalsky, Gerald A.
Fluid handling
Systems
Multi-way valve unit
13762527, F15B 13044
Patent
active
048441228
ABSTRACT:
An electromagnetic valve comprising a housing provided with a supply port, at least one control port and a discharge port, and a valve member accommodated movably in the housing. The housing is formed therein with first and second opposed valve seats extending perpendicularly to the axis of the valve member. The valve member has first and second abutment faces extending perpendicularly to the axis of the valve member. The first and second abutment faces are opposed respectively to the first and second valve seats. The valve member is movable between a position where the second abutment face is abutted against the second valve seat to intercept communication between the control port and the discharge port, and a position where the first abutment face is abutted against the first valve seat to intercept communication between the control port and the supply port. An area surrounded by an outer peripheral edge of the second abutment face is smaller than an area surrounded by an outer peripheral edge of the first abutment face.
REFERENCES:
patent: 3661183 (1972-05-01), Komaroff et al.
patent: 3732893 (1973-05-01), Ziesche et al.
patent: 4596273 (1986-06-01), Kiyoshima
patent: 4664150 (1987-05-01), Steiger
patent: 4719943 (1988-01-01), Perach
Diesel Kiki Co. Ltd.
Michalsky Gerald A.
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