Dynamic thermal compensation for a magnetostrictive actuator

Details Dynamic thermal compensation for a magnetostrictive actuator Dynamic thermal compensation for a magnetostrictive actuator

1984-10-02

1993-12-14

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

318118, 310 12, H01L 4106

Patent

active

052705951

ABSTRACT:
A magnetostrictive linear actuator, responsive to an external signal, including a housing assembly that encloses a magnetostrictive force train assembly, an excitation means disposed on a component of one assembly, as well as a thermal compensation means disposed on a component of the complementary assembly, and a controller means responsive to the external signal which provides a heat control signal in dependence on the magnitude of the controller signal such that the thermal expansion of the assembly heated by the excitation means will be compensated by a matching thermal expansion induced in the complementary assembly.

REFERENCES:
patent: 3217543 (1965-11-01), Haagen
patent: 3389274 (1968-06-01), Robertson
patent: 3419739 (1968-12-01), Clements
patent: 3429155 (1969-02-01), Hines
patent: 3889166 (1975-06-01), Scurlock
patent: 4104549 (1978-08-01), Akimoto et al.
patent: 4129851 (1978-12-01), Podgorski

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