Magnetostrictive actuator with auxiliary leakage reducing magnet

Details Magnetostrictive actuator with auxiliary leakage reducing magnet Magnetostrictive actuator with auxiliary leakage reducing magnet

1993-08-30

1995-09-19

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

H01L 4112

Patent

active

054518210

ABSTRACT:
Flux leakage resulting from interaction between the static bias flux and variable magnetic flux additively applied to obtain magnetostrictive deformation of an active actuator element, is reduced by bias flux of a separate magnetic field perpendicular to the orientation of the additively applied static bias and variable magnetic flux to improve actuator operation.

REFERENCES:
patent: 4959567 (1990-09-01), Ealey et al.
patent: 5039894 (1991-08-01), Teter et al.
patent: 5039943 (1991-08-01), Weber et al.
patent: 5184037 (1993-02-01), Kobayashi et al.
patent: 5249117 (1993-09-01), Greenough et al.

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