Stepper motor with a rotor teeth sensor

Details Stepper motor with a rotor teeth sensor Stepper motor with a rotor teeth sensor

1988-10-25

1990-11-13

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 49R, 310 68B, 310154, 318602, 318685, H02K 2912, H02K 3704

Patent

active

049704230

ABSTRACT:
A stepping motor having a non-touch rotation sensor includes rotor core 5 having magnetic pole teeth of a uniform angular pitch, a stator core 1 having plural magnetic pole teeth groups having magnetic pole teeth of the same angular pitch as the rotor core magnetic pole teeth pitch, and a rotor teeth sensor mounted on the stator core for detecting the rotor magnetic pole teeth and issuing polyphase electric signals.

REFERENCES:
patent: 3293459 (1966-12-01), Kreuter et al.
patent: 3512026 (1970-05-01), Tiltins
patent: 3958139 (1976-05-01), Oudet
patent: 4077678 (1978-03-01), Studer et al.
patent: 4306164 (1981-12-01), Itoh et al.
patent: 4319188 (1982-03-01), Ito et al.
patent: 4465959 (1984-08-01), Yajima
patent: 4618808 (1986-10-01), Ish-Shalom et al.

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