Patent · US Active

In-wheel motor system

US7938212B2 · kind B2 · utility

7Cited by

2References

16Claims

0Family size

Assignee

AISIN SEIKI KABUSHIKI KAISHA · JP

Inventors

Masafumi Sakuma · Chiryu, JP
Shigetaka Isogai · Nishio, JP

Key dates

Filing date	Mar 3, 2009
Grant date	May 10, 2011
Priority date	—
Expiry date	May 20, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/72
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

An in-wheel motor system includes a knuckle supporting a hub to be rotatable and including a tank portion in which a refrigerant is accumulated, a housing fixedly attached to the knuckle, a motor incorporated within the housing and driving the hub to rotate, and a pump incorporated within the housing and pumping the refrigerant accumulated within the tank portion to the motor by means of a rotational power of the motor to refrigerate the motor.

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