Motor drive assembly for a vehicle

US9130412B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9130412-B2
Application numberUS-201314380087-A
CountryUS
Kind codeB2
Filing dateFeb 22, 2013
Priority dateFeb 24, 2012
Publication dateSep 8, 2015
Grant dateSep 8, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A motor drive assembly for a vehicle is provided and includes an electric motor. A rotor of the electric motor includes a spindle rotatably supported by a first bearing located on a first side of the spindle close to a speed reducer and a second bearing located on a second side of the spindle opposite from the first side of the spindle and remote from the speed reducer. The spindle includes a tubular, hollow, rotor core mounting portion having an inner diameter larger than the diameter of a cylindrical surface on which the first bearing is fitted.

First claim

Opening claim text (preview).

The invention claimed is: 1. A motor drive assembly for a vehicle, comprising: an electric motor including an annular stator and a rotor configured to rotate inside of the stator; a speed reducer configured to reduce a rotation speed output from the electric motor; and a differential configured to distribute a rotation output from the speed reducer to right and left vehicle wheels, wherein the rotor of the electric motor comprises a first bearing located on a first side of t…

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What does patent US9130412B2 cover?
A motor drive assembly for a vehicle is provided and includes an electric motor. A rotor of the electric motor includes a spindle rotatably supported by a first bearing located on a first side of the spindle close to a speed reducer and a second bearing located on a second side of the spindle opposite from the first side of the spindle and remote from the speed reducer. The spindle includes a t…
Who is the assignee on this patent?
Tamura Shiro, Ntn Toyo Bearing Co Ltd
What technology area does this patent fall under?
Primary CPC classification H02K7/006. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Sep 08 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).