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:
Sep. 29, 1992
Filed:
Dec. 19, 1990
David Pantale, Epinay Surseine, FR;
Eric Schonenberger, Bois Colombes, FR;
General Motors France, Gennevilliers, FR;
Abstract
A disc braking (10) for a motor vehicle comprising a rotor (12); inner and outer brake pads (14,16) disposed on opposite sides of the rotor and movable into brake engagement therewith; a caliper (18) comprising a piston (26) for urging one of the brake pads against the rotor, a caliper housing (28) having a cylinder (32) positioned on one side of the rotor within which the piston is slidably movable under the action of fluid pressure in the cylinder, and a fluid line (34) in the caliper for supplying fluid to the cylinder for movement of the piston; and a proportioning valve (44) in the fluid line and integral with the caliper for preventing fluid pressure above a predetermined level acting on the piston. Reduces risk of wheel lock on braking. Provides a unitary caliper and proportioning valve prior to installation on a motor vehicle.