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:
Nov. 20, 2001
Filed:
Feb. 24, 2000
Jochen Burgdorf, Offenbach, DE;
Peter Volz, Darmstadt, DE;
Continental Teves AG & Co., OHG, Frankfurt, DE;
Abstract
The present invention relates to an automotive vehicle brake system with wheel slip control which is provided with a so-called filling valve, i.e., a non-return valve, between a secondary and a primary circuit. Initially, both circuits are evacuated for filling the brake system with pressure fluid, and evacuation of the secondary circuit is effected by way of the non-return valve that opens. The present invention suggests providing this valve with a blocking device which becomes effective when the brake is actuated for the first time, thereby causing pressure build-up in the primary circuit. The blocking device retains the valve closure member on the valve seat member, with the result that the non-return valve remains closed in the normal operation of the brake system. It is prevented by this provision that vacuum develops in the secondary circuit during a braking operation.