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:
Aug. 21, 2007

Filed:

Apr. 23, 2003
Applicants:

Akihiro Ohno, Okazaki, JP;

Tsuyoshi Murakami, Handa, JP;

Akira Kodama, Chiryu, JP;

Inventors:

Akihiro Ohno, Okazaki, JP;

Tsuyoshi Murakami, Handa, JP;

Akira Kodama, Chiryu, JP;

Assignee:

JTEKT Corporation, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K 28/16 (2006.01); B60K 17/348 (2006.01);
U.S. Cl.
CPC ...
Abstract

Front and rear wheels Tf, Tr of a motor vehicle driven by an engineare connected through a differential control devicewhich is capable of varying the torque to transmit. When the turning radius of a predetermined one wheel or the motor vehicle is equal to or smaller than a predetermined turning radius, the transmission torque of the differential control device is decreased by a control device to prevent the tight-corner braking phenomenon from occurring. When the motor vehicle is stopped momentarily with the transmission torque being lowered, the control device maintains the transmission torque as it is, and the vehicle is then restarted with the transmission torque being lowered. Thus, when the motor vehicle which was stopped momentarily with a large steering angle is then restarted, the tight-corner braking phenomenon can be prevented from occurring from the beginning of the restarting.


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