Drive control circuit for motor

Details Drive control circuit for motor Drive control circuit for motor

1994-12-02

1996-04-23

Wysocki, Jonathan

Electricity: motive power systems

Motor-reversing

Periodic- or intermittent-reversing

318443, 318DIG2, 1525012, H02P 300

Patent

active

055106846

ABSTRACT:
A drive control circuit includes a first and a second relays, each of which selectively connects one of the terminals of a motor with a power supply. A power connecting circuit can connect the power supply with each one of the relays. A control circuit controls the power connecting circuit to disconnect the power supply from the first and second relays, and then controls to switch the connecting arrangements between the power supply and each terminal of the motor utilizing the first and second relays. Therefore, the rotational direction of the motor is switched, or the rotation of the motor is stopped.

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patent: 5252897 (1993-10-01), Porter et al.
patent: 5306991 (1994-04-01), Suzuki

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