IN-WHEEL MOTOR FOR ELECTRIC AUTOMOBILES - JAPAN SCIENCE & TECH CORP

Title:

IN-WHEEL MOTOR FOR ELECTRIC AUTOMOBILES

Document Type and Number:

WIPO Patent Application WO/2002/066280

Kind Code:

A1

Abstract:

An in-wheel motor for electric automobiles that is so designed that a driving motor can be attached to the car body without regard to the shape, construction and characteristics of the driving motor and that a desired gear ratio of the speed reduction gear mechanism can be optionally selected without changing the driving motor. The in-wheel motor comprises a driving motor (1200), a speed reduction gear mechanism (1300), a wheel bearing, and a mechanical brake, which are combined to constitute the driving unit for an electric automobile, wherein the driving motor (1200) has a casing (1210) having received therein a rotor (1240) and a stator (1220), the speed reduction gear mechanism (1300) being composed of a planetary gear mechanism having a wheel shaft (1410) connected to the output side thereof, the wheel shaft (1410) being received in a housing (1411) that fixes the wheel bearing on the outer periphery of the end thereof, the upper and lower outside portions of the casing (1210) being provided with pedestals (800, 810) having fixing means, the pedestals (800, 810) having attachments attached thereto which are connected to joint mechanisms (612, 712) movably connected to a suspension mechanism.

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Inventors:

SHIMIZU HIROSHI (JP)

Application Number:

PCT/JP2001/011434

Publication Date:

August 29, 2002

Filing Date:

December 26, 2001

Export Citation:

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Assignee:

JAPAN SCIENCE & TECH CORP (JP)
SHIMIZU HIROSHI (JP)

International Classes:

B60B35/14; B60K7/00; B60G7/00; B60K17/04; B60K17/30; B60L15/00; H02K5/00; H02K5/04; H02K7/116; H02K7/14; H02K5/10; H02K5/173; H02K5/22; H02K7/102; (IPC1-7): B60L15/00; B60K7/00

Foreign References:

JP2000052788A	2000-02-22
JPH11170831A	1999-06-29
JPH11115507A	1999-04-27
JPH1189178A	1999-03-30
JPH0781430A	1995-03-28

Other References: