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:
Jul. 23, 1996
Filed:
Feb. 08, 1995
Naoto Kushi, Toyota, JP;
Tatsuo Sugitani, Mishima, JP;
Kiyoyuki Uchida, Konan, JP;
Kenji Ito, Toyota, JP;
Takashi Kondo, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A vehicle anti-lock braking system having X-crossed two pressure application sub-systems connected to respective independent chambers of a master cylinder, each sub-system including a normally-open first shut-off valve in a front brake cylinder passage between the master cylinder and a front wheel brake cylinder, a series connection of a normally-open second shut-off valve and a proportioning valve disposed in a portion of a rear brake cylinder passage connected to the front brake cylinder passage and a rear wheel brake cylinder, a normally-closed third shut-off valve in a reservoir passage connected to the rear brake cylinder passage and a reservoir, a pump in a pump passage which is connected at one end to the reservoir and the other end to a portion of the rear brake cylinder passage between the proportioning valve and the rear wheel brake cylinder, and a controller for controlling the three shut-off valves.