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. 25, 2012
Filed:
Mar. 28, 2008
Jiro Suzuki, Nagano, JP;
Koji Sakai, Nagano, JP;
Kazuhiro Tagata, Nagano, JP;
Nissin Kogyo Co., Ltd., Nagano, JP;
Abstract
A pressure regulating valve unitis configured to be electrically driven according to a detection value of a detection unitadapted to detect an amount of brake application effort made by a brake operation memberso as to switch states of the vehicle brake apparatus between a state where a boosted hydraulic pressure chamberis made to communicate with a hydraulic pressure generating sourcewhile a communication between the boosted hydraulic pressure chamberand a reservoir R is interrupted, a state where the communication between the boosted pressure chamberand the hydraulic pressure generating sourceis interrupted while the boosted pressure chamberis made to communicate with the reservoir R, and a state where the boosted hydraulic pressure chamberis disconnected from both the hydraulic pressure generating sourceand the reservoir R.