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.:
Date of Patent:
Oct. 16, 1990
Filed:
May. 22, 1989
Naoyuki Hagiya, Ageo, JP;
Toshifumi Maehara, Osato, JP;
Akebono Brake Industry Co., Ltd., Tokyo, JP;
Akebono Research and Development Centre Ltd., Saitama, JP;
Abstract
In a traction control system for motor vehicles, a plurality of threshold values which are higher than the vehicle speed (equal to the non-driving wheel speed) are set up; the wheel speed as increasing or decreasing is compared with the above-mentioned plurality of threshold values to effect buildup or reduction of the brake fluid pressure; and holding of the brake fluid pressure is effected on the basis of a variation in the acceleration/deceleration of the driving wheel; in the case where the holding control mode in which the brake fluid pressure is held, persists for a predetermined time period or longer when the driving wheel speed is higher than a specific one of the above-mentioned plurality of threshold values, the holding control mode is switched to buildup control mode.