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:
Apr. 30, 2019
Filed:
Dec. 23, 2016
Applicant:
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Inventors:
Simon Geiger, Oberteuringen, DE;
Matthias Madlener, Hohentengen, DE;
Assignee:
ZF Friedrichshafen AG, Friedrichshafen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/16 (2006.01); F16H 61/70 (2006.01); F16H 61/10 (2006.01); F16H 47/02 (2006.01);
U.S. Cl.
CPC ...
F16H 61/16 (2013.01); F16H 61/702 (2013.01); B60Y 2400/72 (2013.01); F16H 47/02 (2013.01); F16H 61/10 (2013.01); F16H 2061/166 (2013.01); F16H 2306/24 (2013.01);
Abstract
During a shift from a first driving range to a second driving range in a continuously variable power-split transmission having a continuously variable branch and a mechanical branch, in which during the range shift, the synchronous rotation speed is kept constant, the range shift is discontinued if a predefined threshold of at least one driving requirement is exceeded.