Demagnetization compensated magnetostrictive actuator

Details Demagnetization compensated magnetostrictive actuator Demagnetization compensated magnetostrictive actuator

1987-02-19

1988-08-23

Salce, Patrick R.

Electricity: motive power systems

Magnetostrictive motor

310 26, H02N 200, H01L 4112

Patent

active

047663570

ABSTRACT:
A demagnetization compensated magnetostrictive actuator includes a magnetostrictive displacement element and an excitation element responsive to an external signal for providing an applied magnetic field; it further includes a magnetic yoke configuration that encloses both the displacement and excitation elements, for providing a low magnetic reluctance path for the magnetic flux provided by the applied magnetic field.

REFERENCES:
patent: 2116522 (1938-05-01), Kunze
patent: 2566984 (1951-09-01), Firth
patent: 2930912 (1960-03-01), Miller
patent: 3633424 (1972-06-01), Lynnworth
patent: 4096735 (1978-06-01), Huntzinger et al.
patent: 4374668 (1983-02-01), Koon
patent: 4655560 (1987-04-01), Glomb, Jr.
Allied Chemical, "Materials Research Report: Metglas", 2 pages, Box 1021R, Morristown, N. J. 07960.

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