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:
Dec. 09, 2008
Filed:
Dec. 14, 2004
Applicant:
Bernd Döbele, Salem, DE;
Inventor:
Bernd Döbele, Salem, DE;
Assignee:
ZF Friedrichshafen AG, Friedrichshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drive device for a transmission (), a main engine and a shifting clutch (). In order to reduce the phase of tractive force interruption during switching operations, the drive device has a shifting brake clutch (), located between the engine and the shifting clutch, such that during switching operations, intersecting disengaging and engaging processes of both clutches (or), provide for support of the main engine torque in a gear output ().