Patent · US Active

Motor drive device

US8569917B2 · kind B2 · utility

9Cited by

14References

13Claims

0Family size

Assignee

JOHNSON ELECTRIC S.A. · CH

Inventors

Xian Tang · Gaotian, CN
Wei Mao · Wenhe, CN
Bin Li · Nanhu, CN

Key dates

Filing date	Oct 21, 2010
Grant date	Oct 29, 2013
Priority date	—
Expiry date	Jul 26, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH02K23/66
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A motor drive device comprises a motor, a gearbox mounted to the motor and a control module. The gearbox comprises a gearbox housing that has an opening facing the motor. The motor has a shaft that extends into the gearbox housing through the opening to drive a worm gear of the gearbox. The control module has a PCB mounted to the gearbox and most of the PCB is accommodated in the opening of the gearbox housing. The PCB extends in a plane substantially parallel to the shaft.

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