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. 02, 1992

Filed:

Mar. 22, 1991
Applicant:
Inventors:

Toshiaki Tsuyama, Hiroshima, JP;

Kazutoshi Nobumoto, Hiroshima, JP;

Kaoru Sotoyama, Hiroshima, JP;

Toru Onaka, Hiroshima, JP;

Fumio Kageyama, Hiroshima, JP;

Haruki Okazaki, Hiroshima, JP;

Makoto Kawamura, Hiroshima, JP;

Assignee:

Mazda Motor Corporation, Hiroshima, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
180197 ; 36442602 ; 36442603 ;
Abstract

In a slip control system for a vehicle a slip ratio of driving wheels of the vehicle is detected, and the slip of the driving wheels is controlled to converge on a predetermined target slip ratio when the slip ratio of the driving wheels exceeds a predetermined threshold slip ratio. When the vehicle is running a rough road, the threshold slip ratio is increased. The running condition of the vehicle is detected and increase of the threshold slip ratio is inhibited depending on the running condition of the vehicle.


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