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. 10, 2004
Filed:
May. 31, 2001
Stefan Sommer, Saulgau, DE;
Bernd Fessler, Kressbronn, DE;
ZF Batavia L.L.C., Batavia, OH (US);
Abstract
A method of adjusting an operating temperature of a control device ( ) of a motor vehicle automatic transmission. The transmission control has a hydraulic unit ( ) and an electronic unit ( ) with electronic modules. The control device ( )is situated in a transmission housing which is partially filled with transmission oil and at least partly surrounded by transmission oil. The control device ( ) has a cooling device ( ) by which at least part of the electronic unit ( ) is cooled with the transmission oil. The transmission oil has a temperature &THgr; which is lower than a prevailing transmission oil temperature &THgr; . The electronic unit ( ) is impinged upon with a defined volume flow of the transmission oil.