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. 27, 1993
Filed:
Jun. 24, 1991
Applicant:
Inventor:
Yukio Sudo, Kanagawa, JP;
Assignee:
Atsugi Unisia Corporation, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
303 841 ; 1374939 ;
Abstract
A hydraulic brake system comprises an electromagnetic normally open inflow valve fluidly disposed between a master cylinder and a wheel cylinder, and a hydraulically shiftable plunger valve fluidly disposed between the electromagnetic inflow valve and master cylinder. The plunger valve is responsive to hydraulic fluid forced out of the master cylinder for establishing a first state wherein flow of hydraulic fluid forced into the wheel cylinder is restricted or a second state wherein hydraulic fluid forced out of the master cylinder into the wheel cylinder is unrestricted.