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:
Oct. 17, 2006
Filed:
Mar. 04, 2004
Axel Rogner, Hochstadt/Aisch, DE;
Manfred Jansen, Weisendorf, DE;
Wolfgang Fugel, Nuremberg, DE;
Ulrich Helfmeier, Berlin, DE;
Ernani Almeida, Laraujal Pta, BR;
Dieter Adler, Herzogenaurach, DE;
Uwe Abraham, Recklinghausen, DE;
Gerhard Meyer, Lehrberg, DE;
Ludwig Winkelmann, Erlangen, DE;
Rainer Venz, Weisendorf, DE;
Manfred Kraus, Herzogenaurach, DE;
Peter Giese, Herzogenaurach, DE;
Roland Welter, Bühl, DE;
Jean-francois Heller, Rue des Cottages, FR;
Volker Lang, Lauf, DE;
Wolfgang Sulger, Buhl, DE;
Urban Panther, Seelbach, DE;
Axel Rogner, Hochstadt/Aisch, DE;
Manfred Jansen, Weisendorf, DE;
Wolfgang Fugel, Nuremberg, DE;
Ulrich Helfmeier, Berlin, DE;
Ernani Almeida, Laraujal Pta, BR;
Dieter Adler, Herzogenaurach, DE;
Uwe Abraham, Recklinghausen, DE;
Gerhard Meyer, Lehrberg, DE;
Ludwig Winkelmann, Erlangen, DE;
Rainer Venz, Weisendorf, DE;
Manfred Kraus, Herzogenaurach, DE;
Peter Giese, Herzogenaurach, DE;
Roland Welter, Bühl, DE;
Jean-Francois Heller, Rue des Cottages, FR;
Volker Lang, Lauf, DE;
Wolfgang Sulger, Buhl, DE;
Urban Panther, Seelbach, DE;
Abstract
The friction clutch between the prime mover and the change-speed transmission in the power train of a motor vehicle is actuatable by a slave cylinder cooperating with a master cylinder wherein the piston is movable by a clutch pedal or by an electric actuator. The casing of the slave cylinder is made, at least in part, of a plastic material and defines a plenum chamber arranged to receive pressurized fluid from the master cylinder by way of a conduit extending through a bell which contains the clutch and the slave cylinder. The annular piston of the slave cylinder surrounds the input shaft of the transmission. The plastic material of the casing of the slave cylinder can contain one or more additives which enhance its strength and/or influence its frictional engagement with the adjacent surfaces of the piston or of a lip seal which reciprocates with the piston. The piston and/or the lip seal can be installed in the casing to contact one or two metallic or plastic guide sleeves which are connected to or form part of the casing.