Patent · US Active

BLDC motor

US10069450B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignee

JOHNSON ELECTRIC S.A. · CH

Inventors

Kai WU · New Taipei, TW
Xia Chen · Catonsville, US
Rui Feng Qin · Beijing, CN

Key dates

Filing date	Dec 4, 2015
Grant date	Sep 4, 2018
Priority date	—
Expiry date	Mar 1, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH02P29/032
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A BLDC motor, has a first sub-motor and a second sub-motor. The first and second sub-motors have independent input terminals and a common rotor, including a common output shaft. In a normal operating mode the two sub-motors operate together as one motor to output a normal operating power of the motor. In an emergency operating mode, when one sub-motor has become faulty and generates a braking torque, the normal sub-motor is operated to generate a torque to compensate for the braking torque produced by the faulty sub-motor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.