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:
Sep. 01, 2015
Filed:
Dec. 21, 2012
Advics Co., Ltd., Kariya-shi, JP;
Satoshi Ishida, Chiryu, JP;
ADVICS CO., LTD., Kariya-Shi, Aichi-Ken, JP;
Abstract
A braking device comprises: a master cylinder; an electrical pressure adjusting unit; a reaction force generating unit, which forms a reaction force chamber and which generate a reaction hydraulic pressure in the reaction force chamber; a reservoir for brake fluid; an inter-chamber brake fluid path; a reservoir path that connects the reservoir and the inter-chamber brake fluid path; and a normally-closed control valve, wherein the electrical pressure adjusting unit includes an electrical pump which is directly connected with the driving hydraulic pressure chamber to supply the brake fluid to the driving hydraulic pressure chamber, and wherein at least one of electromagnetic valves provided in the electrical pressure adjusting unit and the reaction force generating unit is a normally-opened electromagnetic valve, which is provided in the inter-chamber brake fluid path and is configured to communicate the inter-chamber brake fluid path in a non-conduction state.