Valves and valve actuation – Electrically actuated valve – Solenoid having plural coils
Patent
1996-04-12
1998-07-21
McMahon, Marguerite
Valves and valve actuation
Electrically actuated valve
Solenoid having plural coils
25112918, H01F 708
Patent
active
057824541
ABSTRACT:
An electromagnetically actuator is disclosed having an electromagnet, a core element, the core element having a normally biased initial spaced apart first position distal from the electromagnet when the electromagnet is off and a second stop position proximal from the electromagnet when the electromagnet is on, a first resilient member adapted to bias said core element in the normally biased first position, and a second resilient member adapted to bias the electromagnet away from the core. The first resilient member is more resilient than the second resilient member. Therefore, the core approaches the electromagnet when the electromagnet is on until the core reaches the fixed stop position, and the electromagnet subsequently approaches the core to the fixed stop position. The actuator may further include an adjustment member that engages the electromagnet so as to control the pressure of the electromagnet against the second resilient member, whereby the axial position of the electromagnet is controlled.
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Bulgatz Dennis C.
Morinigo Fernando B.
Sortore Christopher
Stuart Keith O.
Aura Systems, Inc.
Kavcioglu Kathy Mojibi
McMahon Marguerite
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