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:
May. 04, 2010
Filed:
May. 08, 2009
Marco Grethel, Buehlertal, DE;
Manfred Homm, Buehl-Neusatz, DE;
Eric Mueller, Kaiserslautern, DE;
Martin Staudinger, Ettlingen, DE;
Marco Grethel, Buehlertal, DE;
Manfred Homm, Buehl-Neusatz, DE;
Eric Mueller, Kaiserslautern, DE;
Martin Staudinger, Ettlingen, DE;
Luk Lamellen und Kupplungsbau Beteiligungs KG, Buehl, DE;
Abstract
A dual clutch transmission which has a first clutch, actuated by a first hydraulic cylinder, a second clutch, actuated by a second hydraulic cylinder, shift devices for shifting gears, which are actuated by respective hydraulically operated cylinders, and a hydraulic energy source for supplying the hydraulic cylinders and the hydraulically operated cylinders with hydraulic energy. The hydraulic energy source has a first pump, a second pump and an electric drive driving the second pump.