Electromechanical servovalve

Details Electromechanical servovalve Electromechanical servovalve

1993-05-07

1999-10-05

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

251905, F15B 13044

Patent

active

059608315

ABSTRACT:
This disclosure is directed to an electromechanical servovalve having an electrical coil or winding movably mounted relative to a magnet so that when the winding is energized by an electric current, it interacts with the magnetic flux generated by the magnet to shift a valve member of an associated valve between operative and inoperative position. The arrangement is such that the valve member functions as the bearing for the movable coil or winding so as to render the servovalve lighter and faster in operation. The valve member is biased toward its neutral or inoperative position by a pair of opposed springs, one of which can be readily adjusted to vary the biasing force of the springs acting upon the valving member.

REFERENCES:
patent: 3099280 (1963-07-01), Holzbock
patent: 3466003 (1969-09-01), Boonshaft et al.
patent: 3807441 (1974-04-01), Grosseau
patent: 3840045 (1974-10-01), Grosseau
patent: 4040445 (1977-08-01), McCormick
patent: 4544129 (1985-10-01), Ichiryu et al.
patent: 4648580 (1987-03-01), Kuwano et al.
patent: 5012722 (1991-05-01), McCormick
patent: 5076537 (1991-12-01), Mears, Jr.
patent: 5460201 (1995-10-01), Borcea et al.

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