The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 27, 1997

Filed:

Sep. 01, 1994
Applicant:
Inventors:

Naoya Toida, Wako, JP;

Yoshiaki Kotani, Wako, JP;

Yoshihiro Iijima, Wako, JP;

Junji Okuda, Wako, JP;

Yoshihisa Hirose, Wako, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 / ; 180 651 ; 180 655 ; 180 656 ; 180 657 ; 180 658 ;
Abstract

A wheel motor for a vehicle has an electric motor which is arranged in a central space defined in a wheel, to rotatively drive the wheel. A gear reducer is also arranged in the central space of the wheel. The electric motor includes a housing fixed to the vehicle body, a stator secured to the housing, a rotor rotatably fitted in a central space defined in the stator to generate the rotative driving force during rotation thereof, and an output shaft connected through the gear reducer to the rotor to be rotatively driven thereby, for transmitting the rotating output from the rotor through the gear reducer to the wheel. The output shaft extends through an axial through hole formed in the final stage gear of the gear reducer and an axial through hole formed in the rotor, and is rotatably supported by opposite end portions of the housing. An electric circuit for driving the electric motor is arranged in the central space of the wheel, together with the electric motor.


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