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:
Jun. 22, 2004
Filed:
Feb. 25, 2003
Marlin R. Turbett, New Hudson, MI (US);
Robert M. Senseney, Tecumseh, MI (US);
Steven D. Nash, Lyons, MI (US);
Michael R. Rosati, Pinckney, MI (US);
David T. Stark, Superior Township, MI (US);
Alfonso G. Hysko, Belleville, MI (US);
Robert W. Tator, Belleville, MI (US);
David L. Joseph, Southfield, MI (US);
Paul A. Piorkowski, Belleville, MI (US);
Gary L. Stecklein, San Antonio, TX (US);
Matthew S. Castiglione, Rio Medina, TX (US);
Joe Steiber, San Antonio, TX (US);
Benjamin A. Treichel, Waterford, MI (US);
Bapiraju Surampudi, San Antonio, TX (US);
General Motors Corporation, Detroit, MI (US);
Abstract
The virtual vehicle transmission test cell includes an electric motor which simulates a fuel driven engine, an output motor which simulates the load a transmission experiences in a vehicle, and an environmental element which controls the ambient environment of the transmission and the temperature of the transmission oil within the transmission. The virtual vehicle transmission test cell reduces in-vehicle testing, reduces testing with fuel-driven test cells, and enables development of a transmission design before a corresponding engine is completed and built for testing.