Electromagnetic power generating type rotation sensor

Details Electromagnetic power generating type rotation sensor Electromagnetic power generating type rotation sensor

1987-05-29

1989-02-14

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

324173, 324208, G01P 342

Patent

active

048049115

ABSTRACT:
An electromagnetic power generating type rotation sensor has a magnetic pole which is divided into an inner magnetic pole piece and an outer magnetic pole piece (3a, 13a) located in a position close to an outer peripheral part or a side part of a magnetic rotator. The inner magnetic pole piece (3b, 13b) is located adjacent to the outer magnetic pole piece but inside the sensor so as not to be exposed to the external environment.

REFERENCES:
patent: 3177711 (1965-04-01), Ham et al.
patent: 3680379 (1972-08-01), Boyd et al.
patent: 3980913 (1976-09-01), Peterson
patent: 4563643 (1986-01-01), Leschek et al.
patent: 4721864 (1988-01-01), Goossens

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