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:
Dec. 28, 1982
Filed:
Oct. 02, 1981
Masami Aono, Yokohama, JP;
Tokico Ltd., Kawasaki, JP;
Abstract
A hydraulic brake pressure control valve including a housing provided with a first inlet connected to a source of hydraulic pressure, an outlet connected to a wheel brake cylinder, and a second inlet connected to a source of hydraulic pressure, a valve piston slidably disposed in the housing and having therethrough a passage connecting the first inlet and the outlet, a valve seat formed on one end of the passage, a valve body having a valve portion cooperating with the valve seat and being provided in a bore portion of the housing communicating with the first inlet, and an actuating piston slidably disposed in the housing and receiving the pressure in the second inlet to urge the valve piston toward the first inlet. The valve body is slidably mounted in the housing and is retained at a predetermined position by a spring and is retractable when the pressure in the first inlet exceeds a predetermined high pressure.