Apparatus for providing a displacement representative of the mag

Details Apparatus for providing a displacement representative of the mag Apparatus for providing a displacement representative of the mag

1975-03-17

1977-08-23

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324147, G01R 514, G01R 100

Patent

active

040443051

ABSTRACT:
A device for providing a displacement representative of the magnitude of a signal. The device typically includes a rotor having a plurality of sections of high permeability material separated by areas of high reluctance. A magnetic flux is applied to a section of the rotor to produce an elastic restraint torque varying with angle, while another high permeability section responds to variations in the magnetic flux caused by the signal to produce a torque representative of the signal magnitude. This latter torque moves the rotor to the point where the restraint torque increases sufficiently to balance the signal torque. The resultant angle of rotation represents signal magnitude. The device may also be operated to provide a signal output representative of an input torque or force.

REFERENCES:
patent: 1130633 (1915-02-01), Roller
patent: 1705158 (1929-03-01), McCoy
patent: 2002445 (1935-05-01), Arey et al.
patent: 2379417 (1945-07-01), Conrad
patent: 2409866 (1946-10-01), Jewell
patent: 2490234 (1949-12-01), Shannon
patent: 2897447 (1959-07-01), Clark
patent: 2919406 (1959-12-01), Tschappu
patent: 2940044 (1960-06-01), Warsaw
patent: 3493905 (1970-02-01), Foulke et al.

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