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:
Nov. 21, 2017
Filed:
Jan. 31, 2013
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, Ibaraki, JP;
Toshiya Oosawa, Yokohama, JP;
HITACHI AUTOMOTIVE SYSTEMS, LTD., Hitachinaka-Shi, JP;
Abstract
In a system including a reservoir tank RSV integral with a master cylinder M/C, an inlet fluid passagefor connecting an inlet portionof a pump P to the reservoir tank RSV, a pressure reducing fluid passagethat connects the inlet fluid passageto wheel cylinders W/C and a normally closed pressure reducing valethat is connected to the pressure reducing fluid passageand opened when it is intended to depressurize a brake fluid to in the wheel cylinders thereby to return the brake fluid to the reservoir tank through the inlet fluid passage, there is employed a normally closed reservoir shutting valvethat is connected to the pressure reducing valvein series with respect to the wheel cylinders W/C and the reservoir tank RSV.