Electronic valve actuator having vibration cancellation

Details Electronic valve actuator having vibration cancellation Electronic valve actuator having vibration cancellation

2006-02-14

2006-02-14

Jacyna, J. Casimer (Department: 3751)

Valves and valve actuation

Electrically actuated valve

Including solenoid

C251S129100, C251S129160, C251S129190, C251S014000, C123S090110, C123S090120, C123S090490

Reexamination Certificate

active

06997433

ABSTRACT:
An electronically controlled valve actuator having an armature, a valve, and a coupler for coupling the actuator to the valve with motion of the armature in a first direction moving the second piston in a second direction. The actuator includes an electromagnet, an armature disposed adjacent to the electromagnetic, and a fluid-containing chamber. The fluid-containing chamber includes a first piston providing a first wall portion of the chamber and a second piston providing a second wall portion of the chamber. The first piston is coupled to the armature and the second piston is coupled to a valve. Activation of the electromagnet moves the first piston in a first direction, such motion of the first piston in the first direction driving fluid in the chamber to move the second piston in an opposite direction.

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