Fluid handling – Systems – Multi-way valve unit
Patent
1978-10-17
1980-10-28
Michalsky, Gerald A.
Fluid handling
Systems
Multi-way valve unit
13762565, 251129, 251139, 251141, 335250, F16K 1104, F16K 3102
Patent
active
042301564
ABSTRACT:
A three-way normally closed or open solenoid-actuated valve having the solenoid coil wound on a spool and therewith inserted uncoated through a side into a solenoid housing and in place encapsulated in an epoxy resin for protecting the coil and by wedging the spool against relative movement in the housing, enabling its cylindrical bore to act as a fixed guideway for receiving and guiding a reciprocable solenoid plunger. Upper and lower O-rings, the lower encapsulated with the spool and coil, seal against leakage of fluid from the solenoid housing.
REFERENCES:
patent: 2887126 (1959-05-01), Frantz
patent: 3377046 (1968-04-01), Frantz et al.
patent: 3446246 (1969-05-01), Huley
patent: 3588039 (1971-06-01), Chelminski et al.
Graham-White Sales Corporation
Mechlin Wilmer
Michalsky Gerald A.
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