Fluid handling – With indicator – register – recorder – alarm or inspection means – Position or extent of motion indicator
Patent
1999-07-12
2000-12-26
Michalsky, Gerald A.
Fluid handling
With indicator, register, recorder, alarm or inspection means
Position or extent of motion indicator
13762564, 137884, 25112915, F16K 3700, F15B 13043
Patent
active
061643238
ABSTRACT:
A solenoid valve that includes a valve body in which a valve spool is slidably mounted, and a solenoid assembly mounted at one end of the valve body. The solenoid assembly includes a solenoid having a plunger operatively coupled to the spool and a solenoid coil for actuating the plunger. A solenoid valve driver circuit includes a circuitboard assembly that has a power supply responsive to external power for supplying electrical power to the driver circuit and the solenoid coil, and a microprocessor-based control circuit responsive to external control signals for controlling actuation of the solenoid coil. The solenoid assembly, including the solenoid and the circuitboard assembly, comprises a unitary molded or potted assembly.
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Smith William S.
Stover Shawn M.
Michalsky Gerald A.
Numatics, Incorporated
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