Fluid handling – Systems – Multi-way valve unit
Patent
1978-06-28
1979-06-26
Michalsky, Gerald A.
Fluid handling
Systems
Multi-way valve unit
13762565, 251 65, 251139, F16K 3108
Patent
active
041590260
ABSTRACT:
In a Solenoid Operated Pilot Valve, the solenoid plunger serves as a valving element blocking the flow of pilot fluid through orifices disposed at opposite ends of the plunger movement with the plunger being shifted in one direction under the influence of the solenoid coil to block the pilot fluid flow through one orifice and upon de-energization of the solenoid coil the plunger is shifted in the opposite direction by a permanent magnet to block the fluid flow through the orifice at the other end of plunger movement.
REFERENCES:
patent: 3361161 (1968-01-01), Schwartz
patent: 3521851 (1970-07-01), Sorrow
Detroit Coil Company
Michalsky Gerald A.
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