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.

Date of Patent:
Jun. 28, 2016

Filed:

Oct. 03, 2014
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventor:

Yoshinori Maeda, Aichi-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K 23/08 (2006.01); B60K 17/344 (2006.01); B60K 17/02 (2006.01); B62D 11/08 (2006.01); B62D 11/00 (2006.01); B62D 11/24 (2006.01); B60K 23/04 (2006.01);
U.S. Cl.
CPC ...
B60K 23/08 (2013.01); B62D 11/003 (2013.01); B62D 11/24 (2013.01); B60K 17/02 (2013.01); B60K 17/344 (2013.01); B60K 2023/043 (2013.01); B60K 2023/0833 (2013.01);
Abstract

A control system includes a transfer. The transfer is disposed in a power transmission path between the driving power source and primary driving wheels and distributes dynamic power of the driving power source to the secondary drive wheels. A driving power transmission shaft transmits the dynamic power of the driving power source distributed by the transfer to the secondary drive wheels. A clutch mechanism is disposed in a power transmission path between the transfer and the driving power transmission shaft. A electronic control unit engages at least one of a first and second clutches and then engages the clutch mechanism on the basis of a steering state at the time of switching from a two-wheel-drive traveling state in which the clutch mechanism and the first and second clutches are disengaged to a four-wheel-drive traveling state in which the clutch mechanism and the first and second clutches are engaged.


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