Brushless motor

Details Brushless motor Brushless motor

2007-09-07

2010-11-09

Duda, Rina I (Department: 2837)

Electricity: motive power systems

Synchronous motor systems

Brushless motor closed-loop control

C318S400380, C318S599000, C318S811000

Reexamination Certificate

active

07830104

ABSTRACT:
The brushless motor includes a coil array, a magnet array, a magnetic sensor, a drive control circuit for driving the coil array, and a temperature sensor for detecting a detection target temperature associated with either the coil temperature or the driving element temperature. The drive control circuit reduces the effective value of driving voltage supplied to the coil array when coil temperature detected by the temperature sensor has exceeded a prescribed threshold value.

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patent: 08-047283 (1996-02-01), None
patent: 10-225176 (1998-08-01), None
patent: 2001-298982 (2001-10-01), None

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