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. 14, 2004
Filed:
Sep. 09, 2002
Thomas Busold, Fulda, DE;
Hans-Jürgen Schneider, Stettbach, DE;
Rainer Brand, Obereuerheim, DE;
Wolfgang Reisser, Sennfeld, DE;
Olaf Moseler, Würzburg, DE;
Jochen Kuhstrebe, Biebelried/Westheim, DE;
Wolfgang Grosspietsch, Schweinfurt, DE;
Axel Rohm, Schonungen, DE;
Thomas John, Sulzheim, DE;
Thomas Wirth, Schwanfeld, DE;
ZF Sachs AG, Schweinfurt, DE;
Abstract
A clutch system includes a clutch device with at least one clutch arrangement for installation in a motor vehicle drive train between a drive unit and a transmission. The at least one clutch arrangement is actuated by a slave cylinder using a pressure medium which is supplied to the clutch device by a first pump. A further medium is also supplied to the clutch device by a second pump arrangement as an operating medium used during operation of the clutch device. The further medium is selectively supplied as a pressure medium to the slave cylinder.