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. 16, 2014
Filed:
May. 17, 2010
Thomas K. Lockwood, Fenton, MI (US);
Darren L. Bohne, Fraser, MI (US);
Michael G. Leffert, Howell, MI (US);
Rajneesh K. Singh, Perry Hall, MD (US);
Jason W. Guenzel, Milford, MI (US);
Thomas K. Lockwood, Fenton, MI (US);
Darren L. Bohne, Fraser, MI (US);
Michael G. Leffert, Howell, MI (US);
Rajneesh K. Singh, Perry Hall, MD (US);
Jason W. Guenzel, Milford, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A method of controlling airflow through a grille on a front end of a vehicle comprising the steps of: detecting vehicle operating conditions; determining a desired percentage of airflow through the grille based on the desired operating conditions; actuating grille airflow shutters to an open position for the determined desired percentage of a predetermined time interval; and actuating the grille airflow shutter to a closed position for a remaining percentage of the predetermined time interval.