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:
May. 29, 1990
Filed:
Mar. 02, 1989
Applicant:
Inventor:
Glyn P Farr, Warwickshire, GB;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T / ; B60T / ; B60T / ;
U.S. Cl.
CPC ...
303116 ; 303 61 ; 303117 ; 303119 ;
Abstract
In a hydraulic anti-lock braking system a modulator incorporates a solenoid-operated valve responsive to anti-lock signals, a re-application valve and an expansion chamber to which fluid relieved from the brake in an anti-lock mode. The solenoid-operated valve determines the pressure in a control chamber, a poppet valve controls communication between the master cylinder and the brake, and a restricted connection is provided between the master cylinder and the output from a re-application pump.