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:
Sep. 04, 2001
Filed:
Mar. 13, 2000
Applicant:
Inventors:
Markus Henneken, Kressbronn, DE;
Friedemann Jauch, Meckenbeuren, DE;
Kai-Uwe Herbster, Friedrichshafen, DE;
Franz-Josef Schuler, Kressbronn, DE;
Thomas Mauz, Kressbronn, DE;
Assignee:
ZF Friedrichshafen AG, Friedrichshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/00 ; B60K 4/104 ;
U.S. Cl.
CPC ...
G06F 7/00 ; B60K 4/104 ;
Abstract
When a cold start condition exists, an electronic gear control (,) calculates for an automatic transmission (,) driven by an internal combustion engine (,) the energy throughput of the internal combustion engine (,). The energy throughput is added up and compared with a limit value. The shift points of the automatic transmission (,) are pushed up to higher values as long as the calculated value remains less than the limit value.