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:
Mar. 10, 1981
Filed:
Nov. 16, 1979
Tomoyuki Nogami, Toyota, JP;
Toyoda Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Abstract
A fluid pressure control device in the form of an inertia-controlled valve unit comprises a bypass passage provided through a stepped piston to directly apply the master cylinder pressure to the wheel brake cylinders; a bypass valve including a valve seat provided within the bypass passage to permit the bypass flow of fluid between the inlet and outlet ports, a valve member axially movable within the bypass passage to co-operate with the valve seat to block the bypass flow, and a spring biasing the valve member toward the inlet port, the bypass valve being closed when a pressure difference between the inlet and outlet ports is below a predetermined value and being opened when the pressure difference exceeds the predetermined value; and an extension rod extended from the valve member toward the inlet port and being engageable with the inner wall of the valve housing to open the bypass valve.