Thermal control system for a motor

Details Thermal control system for a motor Thermal control system for a motor

1996-08-21

1998-01-13

Ro, Bentsu

Electricity: motive power systems

Nonrunning, energized motor

318471, H02H 708, H02P 700

Patent

active

057083363

ABSTRACT:
The present invention is a temperature control system for a motor coupled to a power source. The motor has at least one winding which serves as a heater and temperature sensor as well as producing torque during normal operation. The mathematical relationship between temperature and resistance in the motor winding is used to determine the winding temperature. The actual winding temperature is then compared to a desired operating temperature, and the current to the motor winding is controlled so as to keep the motor temperature within a desired range.

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patent: 3717804 (1973-02-01), Dikinis et al.
patent: 3774096 (1973-11-01), Hann
patent: 4135122 (1979-01-01), Holmquist et al.
patent: 4195324 (1980-03-01), Waltz
patent: 4355269 (1982-10-01), Burton et al.
patent: 4638643 (1987-01-01), Sakazume et al.
patent: 4808896 (1989-02-01), Katsuragi et al.

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