Fluid handling – Systems – Multi-way valve unit
Patent
1994-11-10
1997-03-18
Michalsky, Gerald A.
Fluid handling
Systems
Multi-way valve unit
13762564, 251 65, 25112908, 25112914, F15B 13043
Patent
active
056113706
ABSTRACT:
A proportional variable force solenoid valve for controlling the pressure of a pressurized fluid in a fluid control system in proportion to the current level of an electrical input signal comprises a movable valve for controlling the pressure of pressurized fluid in the fluid control system and a solenoid for controlling movement of the valve in linear proportion to the current level of the electrical signal. The movable valve and the solenoid are disposed in a common substantially non-magnetic housing to provide a fluid control unit. The housing may comprise an aluminum casting for insertion in an aluminum transmission body. A movable armature of the solenoid may comprise a cylindrical shaped permanent magnet, rather than a ferromagnetic armature, in order to eliminate the need for a axially magnetized permanent magnet ring. A simplified armature suspension structure, fluid diverting valve mechanism, and electromagnetic flux washer are incorporated.
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Michalsky Gerald A.
Saturn Electronics & Engineering, Inc.
Timmer Edward J.
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