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:
Feb. 22, 2011
Filed:
Dec. 04, 2007
Applicants:
Wilhelm Gollner, Neumunster, DE;
Eric R. Jacobson, Ankeny, IA (US);
Inventors:
Wilhelm Gollner, Neumunster, DE;
Eric R. Jacobson, Ankeny, IA (US);
Assignee:
Sauer-Dafoss Inc., Ames, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 47/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power split transmission concept for two or three or four modes is provided with two variable hydrostatic units, an engine mechanically connected to the rowsun of a planetary gear set with at least two planetary rows, the second row of the planetary rows being connected to a rowsun, whereby both hydrostatic units stay connected with the same planetary element through all modes, one hydrostatic unit being connected to the sun of rowand the other hydrostatic unit being connected to a ring gear of planetary row