Fluid handling – Systems – Supply and exhaust
Patent
1996-03-21
1997-11-11
Michalsky, Gerald A.
Fluid handling
Systems
Supply and exhaust
137870, 2511292, 3031192, F15B 13044
Patent
active
056853378
ABSTRACT:
A 2-position 3-way solenoid valve is disclosed having a hinged structure. The solenoid valve includes a hollow cylindrical housing and first and second covers hermetically coupled to both ends of the housing. The first cover has first and third ports, and the housing has a second port. A diaphragm divides an inner chamber within the housing into first and second chambers, and the first to third ports are communicated with the first chamber. The second chamber contains an armature, a solenoid assembly and a core, and the armature is fixed to a push rod which extends to the first chamber through a diaphragm hole. A first spool for opening/closing the first port is provided to an end of the push rod within the first chamber. A step is provided to coupling portion of the first spool and the push rod by the difference of their diameters, and a valve lever extends perpendicularly to the push rod to engage with the step. A second spool for opening/closing the third port is fixed to an end of the valve lever in a perpendicular relationship. The valve lever is connected to, by a pin, a supporting rod having one end thereof fixed to the first cover to rock both ends of the valve lever. A spring is disposed between the valve lever and the first cover to surround the first spool.
REFERENCES:
patent: 2570450 (1951-10-01), Hottenroth
patent: 3024811 (1962-03-01), McKinley
patent: 4155604 (1979-05-01), Fenart
patent: 4250924 (1981-02-01), Sakakibara et al.
patent: 4526203 (1985-07-01), Leiber
patent: 4527590 (1985-07-01), Kolze
patent: 4765693 (1988-08-01), Stegmaier
patent: 4840434 (1989-06-01), Leiber
Daewoo Electronics Co. Ltd.
Michalsky Gerald A.
LandOfFree
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