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:
Jan. 12, 2010
Filed:
Mar. 15, 2007
Michael Kamm, Bodnegg, DE;
Gabor Diosi, Friedrichshafen, DE;
Josef Haupt, Tettnang, DE;
Gerhard Gumpoltsberger, Friedrichshafen, DE;
Peter Ziemer, Tettnang, DE;
Martin Brehmer, Constance, DE;
Michael Kamm, Bodnegg, DE;
Gabor Diosi, Friedrichshafen, DE;
Josef Haupt, Tettnang, DE;
Gerhard Gumpoltsberger, Friedrichshafen, DE;
Peter Ziemer, Tettnang, DE;
Martin Brehmer, Constance, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
An eight gear transmission having drive and output shafts, planetary gearsets, shafts and shifting elements. One carrier of the gearset (RS) and the drive shaft are coupled to form shaft (). One ring gear of the gearset (RS), one carrier of the gearset (RS) and the output shaft are coupled to form shaft (). One sun gear of the gearset (RS) and one sun gear of the gearset (RS) are coupled to form shaft (). One carrier of the gearset (RS) forms shaft (). One sun gear of the gearset (RS) forms the fifth shaft. One ring gear of the gearset (RS) and one carrier of the gearset (RS) and one ring gear of the gearset (RS) are coupled to form shaft (). One ring gear of the gearset (RS) forms the seventh shaft. One sun gear of the gearset (RS) forms shaft ().