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:
Jul. 22, 2008
Filed:
Oct. 14, 2005
Andreas Hegerath, Bergheim, DE;
Martin Leibbrandt, Bedburg, DE;
Reinhard Moehlmann, Köln, DE;
Ulrich Eggert, Viersen, DE;
Andreas Hegerath, Bergheim, DE;
Martin Leibbrandt, Bedburg, DE;
Reinhard Moehlmann, Köln, DE;
Ulrich Eggert, Viersen, DE;
Getrag Ford Transmissions GmbH, Koln, DE;
Abstract
A hydraulic system for providing pressure and volume flows in a double-clutch transmission. A first clutch and a second clutch are preceded by at least one changeover valve which, in a first state, guides lubricating flow to the first clutch and cooling flow to the second clutch, and, in a second state, guides lubricating flow to the second clutch and cooling flow to the first clutch. The cooling flow is preferably variable.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile