Control motor for a servo-valve

Details Control motor for a servo-valve Control motor for a servo-valve

1991-06-26

1992-08-18

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

310183, 335244, H02K 316, H02K 3300, H02K 320, H01F 710

Patent

active

051402033

ABSTRACT:
A control motor for a servo-valve includes elements of a control motor including a yoke, permanent magnet, control coil and armature mounted to one another. An output member transmits the pivotal movements of the armature. A frequency dependent passive electric dampening means is formed as an annular disc, and located adjacent the control means to compensate for non-linearities in frequency response.

REFERENCES:
patent: 1979709 (1934-11-01), Schaelchlin et al.
patent: 2063340 (1936-12-01), Ruben
patent: 2162465 (1939-06-01), Guilder
patent: 2246305 (1941-06-01), Kilgore
patent: 3113229 (1963-12-01), Jacobs
patent: 3301141 (1967-01-01), Griffing
patent: 3553512 (1971-01-01), Vettermann
patent: 4742322 (1988-05-01), Johnson et al.
patent: 4761575 (1988-08-01), Reder et al.
Schmitt, A.; "The Hydraulic Trainer", p. 49, G. L. Rexroth GmbH, Lohr am Main, West Germany, no date.

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