Electromechanical servovalve

Details Electromechanical servovalve Electromechanical servovalve

1990-07-19

1991-12-31

Michalsky, Gerald A.

Valves and valve actuation

Permanent or constantly energized magnet actuator

13762565, 25112901, 310 13, F15B 13044

Patent

active

050765370

ABSTRACT:
The moving drive portion of the force motor for an electromechanical servovalve is mechanicalkly constrained by slide bearing located on either side of the moving part to prevent it from rubbing against nonmoving parts, in turn, causing early failure and reliability problems. The connection between the force motor and the servovalve is adjustable to allow both the force motor to be electrically centered and the servovalve to be mechanically centered.

REFERENCES:
patent: 3099280 (1963-07-01), Holzbock
patent: 3439198 (1969-04-01), Lee
patent: 4040445 (1977-08-01), McCormick
patent: 4250922 (1981-02-01), Will et al.
patent: 4316599 (1982-02-01), Bouvet et al.
patent: 4530374 (1985-07-01), Akagi et al.
patent: 4535816 (1985-08-01), Feder et al.

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