Rotation detecting apparatus

Details Rotation detecting apparatus Rotation detecting apparatus

1987-02-24

1987-12-01

Dobeck, Benjamin

Electricity: motive power systems

Switched reluctance motor commutation control

318138, H02K 2900

Patent

active

047106832

ABSTRACT:
A rotation detecting apparatus for a rotary machine such as a DC motor, the apparatus including a magnet having a plurality of magnetic poles which rotates along with a rotary shaft of a rotary machine, electromagnetic conversion elements disposed in the magnetic field of the magnet, inductance elements disposed in the magnetic field, the inductance elements being spaced with a predetermined interval from the electromagnetic conversion elements, and an electric circuit for obtaining a voltage proportional to the number of rotations of the rotary machine, signals in proportion to the output voltages of the electromagnetic conversion elements and inductance elements being used as input signals to the electric circuit.

REFERENCES:
patent: 3696277 (1972-10-01), Liska et al.
patent: 3806785 (1974-04-01), DeValroger et al.

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