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:
Apr. 28, 1998
Filed:
Aug. 27, 1996
Atsushi Yasuda, Aichi pref., JP;
Toshihiro Nakano, Chiryu, JP;
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Abstract
The invention is directed to a wheel braking system having a master cylinder and a wheel brake cylinder which is communicated with the master cylinder through a brake fluid supply passage, and which is operatively mounted on a wheel for applying a braking force to the wheel. A suction device, such as a fluid pump, is provided for producing a negative pressure in the wheel brake cylinder. An initial pressure supply device, such as an accumulator, is also provided for supplying a predetermined amount of the brake fluid into the wheel brake cylinder when the braking operation is initiated. Accordingly, brake pads for braking the wheel may be separated from a brake rotor or brake drum respectively with a predetermined clearance, and the amount of the brake fluid which is consumed by the master cylinder when the braking operation is initiated, is not increased.