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:
Aug. 21, 1990
Filed:
Apr. 12, 1989
Norbert Ocvirk, Offenbach, DE;
Lutz Weise, Mainz, DE;
Alfred Teves GmbH, Frankfurt am Main, DE;
Abstract
An anti-lock controlled/traction-slip controlled brake system operating according to the return delivery principle. A charging circuit is provided for charging an accumulator (20). In order to charge the accumulator, valves (21, 22 and 15) are switched over, thereby establishing a pressure fluid connection between the master brake cylinder as well as the regulating valves (11, 15) by way of the pump (14) to the accumulator (20). The pump delivers fluid out of the supply reservoir (4) connected with the master brake cylinder into the accumulator (20). Since the connection between the master brake cylinder (1) and the wheel brakes remains open when the accumulator is charged, a braking operation is immediately possible even during the charging operation.