Rotation detector

Details Rotation detector Rotation detector

1998-01-20

1999-07-20

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 89, H02K 2912, H02K 2914

Patent

active

059259507

ABSTRACT:
A rotation detector for a miniature permanent magnet d.c. motor comprises an induction coil wound around a flux ring for the motor. The flux ring has a stepped portion accommodating the windings of the coil. The coil produces electrical signals in response to changes in the magnetic field of the stator caused by rotation of the rotor.

REFERENCES:
patent: 4082968 (1978-04-01), Jones
patent: 4138642 (1979-02-01), Mohr
patent: 4914713 (1990-04-01), Mueller et al.
patent: 5057727 (1991-10-01), Jones
patent: 5329195 (1994-07-01), Horber et al.

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