Device for detecting the angular position of the rotor of a rota

Details Device for detecting the angular position of the rotor of a rota Device for detecting the angular position of the rotor of a rota

1985-05-22

1987-02-10

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

318254, 310 68R, H02K 1100

Patent

active

046424962

ABSTRACT:
A device for detecting the angular position of the rotor of an electric rry machine with electronic switching, comprising more particularly a disk mounted coaxially on the shaft of said rotor and comprising a radial face on which permanent magnets are fixed of alternately reversed polarity producing a magnetic field, Hall effect proximity cells disposed in the vicinity of said radial face of the disk and carried by a structure mounted for rotation on the body of said rotary machine coaxially with said axis, and adapted for detecting the axial component of the magnetic field, means allowing said structure to be locked against rotation on said body.

REFERENCES:
patent: 4074173 (1978-02-01), Janssen
patent: 4086519 (1978-04-01), Perssol
patent: 4217508 (1980-08-01), Uzuka
patent: 4311933 (1982-01-01), Riggs
patent: 4475068 (1984-10-01), Brailsford

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