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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 11225147 B1

PDFFull Text
Date of Patent:
Jan. 18, 2022

Filed:

Sep. 10, 2018

Drive unit for four-wheel drive vehicle

Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Seiji Kuwahara, Sunto-gun, JP;

Norifumi Takada, Mishima, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;

Attorney:

Oliff PLC

Primary Examiner:

Tony H Winner

Int. Cl.
CPC ...
B60W 10/08 (2006.01); B60K 6/485 (2007.10); B60L 50/16 (2019.01); B60K 6/52 (2007.10); B60K 6/387 (2007.10); B60K 6/40 (2007.10); B60K 6/442 (2007.10); B60L 5/10 (2006.01); B60L 15/20 (2006.01); B60L 58/12 (2019.01);
U.S. Cl.
CPC ...
B60L 5/10 (2013.01); B60K 6/387 (2013.01); B60K 6/40 (2013.01); B60K 6/442 (2013.01); B60K 6/485 (2013.01); B60K 6/52 (2013.01); B60L 15/2009 (2013.01); B60L 50/16 (2019.02); B60L 58/12 (2019.02); B60W 10/08 (2013.01); B60L 2240/421 (2013.01); B60L 2240/423 (2013.01); B60L 2240/425 (2013.01); B60L 2260/28 (2013.01);
Abstract

In a drive unit for four-wheel drive vehicle that allows a motor for driving front wheels to be easily installed, a torque of an engine is transmitted to a rear wheel axle via a transmission and a rear propeller shaft, and a torque of a front drive motor is transmitted to a front wheel axle via a front propeller shaft. A front drive unit is disposed between the transmission and the rear wheel axle. A case of the front drive unit houses: a main shaft that transmits to the rear propeller shaft an output torque of the transmission; the front drive motor; and a sub-shaft that is disposed in a position shifted in a vehicle width direction with respect to the main shaft and transmits to the front propeller shaft an output torque of the front drive motor.

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