Device for controlling an electronically switched motor by...

Details Device for controlling an electronically switched motor by... Device for controlling an electronically switched motor by...

2005-02-22

2005-02-22

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Switched reluctance motor commutation control

C318S132000, C318S434000, C318S721000, C318S722000, C318S602000, C324S200000, C340S671000

Reexamination Certificate

active

06859002

ABSTRACT:
A device for controlling an electronically switched motor which includes a coder (2) having a main multipole track (2a) and a so-called “revolution pip” multipole track (2b); a fixed sensor (3) delivering two digital position signals (A, B) and one revolution pip signal (C); a circuit for switching the currents in the phase windings of the motor which comprises2*P*N switches; a control circuit for the switching circuit which is able to supply the switching signals for the switches which correspond to the state of the logic determined by the revolution pip signal (C) or by the position signals (A, B). The control device can be combined with a bearing and/or a motor equipped with such a device.

REFERENCES:
patent: 4228396 (1980-10-01), Palombo et al.
patent: 4599561 (1986-07-01), Takahashi et al.
patent: 4864300 (1989-09-01), Zaremba
patent: 5774068 (1998-06-01), Seki

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