Brushless DC tachometer

Details Brushless DC tachometer Brushless DC tachometer

1983-06-14

1985-12-31

Hickey, R. J.

Electricity: single generator systems

Generator control

With armature or primary circuit control

310111, 310156, 324174, H02K 3900, H02K 2112, H02P 900, G01P 348

Patent

active

045623996

ABSTRACT:
An alternator for use in a brushless DC tachometer which produces are output voltage with a trapezoidal waveshape. The alternator includes a three phase toroidal winding on a plotless core. The windings are concentrated rather than being distributed. The rotor includes high intensity permanent magnets configured to provide uniform flux density over a large segment at least equal to a commutation increment.

REFERENCES:
patent: 3169203 (1965-02-01), Lavin et al.
patent: 3508094 (1970-04-01), Byrne
patent: 4088943 (1978-05-01), Schmidt
patent: 4364005 (1982-12-01), Kohzai et al.

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