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:
Feb. 14, 1989
Filed:
Aug. 10, 1987
Jochen Burgdorf, Offenbach-Rumpenheim, DE;
Hans-Dieter Reinartz, Frankfurt am Main, DE;
Lutz Weise, Mainz, DE;
Hans-Albert Beller, Erbach, DE;
Alfred Teves GmbH, Frankfurt am Main, DE;
Abstract
A hydraulic brake system with anti-skid control and/or traction slip control has a braking pressure generator (1, 21), a pressure compensation reservoir (4, 4',24, 24', 42), braking pressure control valves (7, 8 V.sub.1 -V.sub.4, AV.sub.1 -AV.sub.4) by which pressure medium can be tapped from the wheel brakes of the controlled wheels in the braking pressure reduction phase. Further, there is provided an auxiliary pressure supply system (10, 10') by which, in case of control, it is possible to supply pressure medium into the wheel brakes. To increase the operational reliability of the brake system, a pressure compensation chamber (18, 28, 28', 28', 39, 39') with a non-return valve (19, 29, 29', 29', 44, 46) connected upstream and opening toward the pressure compensation chamber is inserted into the pressure medium paths from the pressure compensation reservoir (4', 24, 24', 42) to the auxiliary pressure supply system. The outputs of the outlet valves (AV, AV.sub.1 -AV.sub.4, AV.sub.1 '-AV.sub.4 ') lead into said pressure compensation chamber (18, 28, 28', 28', 39, 39').