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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.

Patent No.:

US 9102226 B1

PDFFull Text
Date of Patent:
Aug. 11, 2015

Filed:

Aug. 26, 2010

Motor drive apparatus for vehicle and motor vehicle

Applicant:

Tomoaki Makino, Iwata, JP;

Inventor:

Tomoaki Makino, Iwata, JP;

Assignee:

NTN Corporation, Osaka, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Helal A Algahaim

Assistant Examiner:

Michael Fouche

Int. Cl.
CPC ...
B60W 20/00 (2006.01); B60W 10/08 (2006.01); B60K 6/52 (2007.10); B60K 6/383 (2007.10); B60K 6/547 (2007.10); B60K 17/356 (2006.01); F16D 41/08 (2006.01); F16H 3/10 (2006.01); F16H 63/30 (2006.01); B60L 11/12 (2006.01); B60L 11/14 (2006.01); B60L 15/20 (2006.01); B60K 1/00 (2006.01); B60K 17/16 (2006.01); F16H 48/08 (2006.01);
U.S. Cl.
CPC ...
B60K 6/52 (2013.01); B60K 6/383 (2013.01); B60K 6/547 (2013.01); B60K 17/356 (2013.01); B60L 11/123 (2013.01); B60L 11/14 (2013.01); B60L 15/20 (2013.01); F16D 41/088 (2013.01); F16H 3/10 (2013.01); F16H 63/30 (2013.01); B60K 1/00 (2013.01); B60K 17/165 (2013.01); B60K 2001/001 (2013.01); B60L 2220/14 (2013.01); B60L 2240/421 (2013.01); B60L 2240/423 (2013.01); B60L 2260/28 (2013.01); F16D 2500/10493 (2013.01); F16H 48/08 (2013.01); F16H 2063/3093 (2013.01); F16H 2200/0021 (2013.01); F16H 2200/0034 (2013.01); Y02T 10/6217 (2013.01); Y02T 10/6265 (2013.01); Y02T 10/7275 (2013.01);
Abstract

A motor drive apparatus for a vehicle is provided which can prevent its transmission and motor from being rotated by vehicle wheels, and which allows quick gear change. This apparatus includes an electric motor (), a first shaft () driven by the electric motor (), a second shaft (), first and second reduction gear trains (and) disposed between the first and second shafts (and). Two-way roller clutches (A andB) are mounted between a first output gear () of the first reduction gear train () and the second shaft () and between a second output gear () of the second reduction gear train () and the second shaft (), respectively. Gear changes are made by selectively engaging and disengaging the two-way roller clutches (A andB) with a speed changing mechanism ().

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