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. 01, 1997
Filed:
Nov. 15, 1994
William S Broome, Inkberrow, GB;
Grau Limited, , GB;
Abstract
A vehicle train comprising a tractor and at least two trailers wherein each trailer has a brake sub-system. The brake sub-system includes a pressure transducer on the trailer responsive to pressure of a fluid pressure brake demand signals supplied thereto to provide an electrical brake demand signal and an electronic controller on the trailer responsive to the electrical brake demand signal to provide an electrical brake operating signal. The brake sub-system also includes a brake valve on the trailer responsive to the electrical brake operating signal supplied to the brake valve by the electronic controller to supply fluid to an actuator to operate a trailer brake under a brake pressure, from a primary source, determined in accordance with the electrical brake operating signal.