Valve assembly having a linear motor actuator

Details Valve assembly having a linear motor actuator Valve assembly having a linear motor actuator

2005-10-25

2005-10-25

Look, Edward K. (Department: 3751)

Valves and valve actuation

Electrically actuated valve

C251S092000, C251S305000, C310S328000

Reexamination Certificate

active

06957800

ABSTRACT:
A valve actuator assembly that is implemented in a fully-electric configuration includes two rails and an armature that is moveably disposed between, and electrically coupled to, each of the rails. The armature is configured to couple to a valve element and is moveable between at least a first position and a second position, to thereby move the valve element to at least the open and closed positions, respectively. Upon application of an electrical potential of a first or second polarity across the rails, a current flows through the armature in a first or a second direction, respectively, to thereby generate a Lorentz force. The Lorentz force acts on the armature to move it to the first or second position, and thus move the valve element to the open or closed position, respectively.

REFERENCES:
patent: 1040359 (1912-10-01), Latimer
patent: 1668278 (1928-05-01), Langdon
patent: 4733595 (1988-03-01), Oberly
patent: 5592905 (1997-01-01), Born
patent: 5847474 (1998-12-01), Gruden et al.

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