Tachogenerator for speed control of electric motors

Details Tachogenerator for speed control of electric motors Tachogenerator for speed control of electric motors

1987-05-19

1994-11-01

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310171, 310180, 310207, 310268, H02K 2112

Patent

active

053610105

ABSTRACT:
A tachogenerator for speed control of an electric motor including a stator and a rotor. A multipole permanent magnet is connected to the rotor and has at least a pair of magnetic poles, with the pole centers of the magnetic poles being uniformly arranged on a circle of a predetermined diameter. A wave winding is connected to the stator and separated from the magnet by an air gap having a width. The wave winding having angular repeat units of the wave winding equal to from 0.5 to 1.5 times a ratio of the diameter divided by the width.

REFERENCES:
patent: 3090880 (1963-05-01), Raymond
patent: 3796899 (1974-03-01), Giachello
patent: 4093882 (1978-06-01), Furuta
patent: 4093897 (1978-06-01), Fujita et al.
patent: 4211963 (1980-07-01), Muller
patent: 4227107 (1980-10-01), Ban et al.
patent: 4243902 (1981-01-01), Ban et al.
patent: 4260920 (1981-04-01), Nakamura et al.
patent: 4283644 (1981-08-01), Kondo et al.
patent: 4517480 (1985-05-01), Muller

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