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:
Oct. 04, 2011
Filed:
Jan. 07, 2009
Gopichandra Surnilla, West Bloomfield, MI (US);
Bala Chander, Canton, MI (US);
Nate Trask, Dearborn, MI (US);
Shane Elwart, Ypsilanti, MI (US);
Stephen B. Smith, Livonia, MI (US);
Gopichandra Surnilla, West Bloomfield, MI (US);
Bala Chander, Canton, MI (US);
Nate Trask, Dearborn, MI (US);
Shane Elwart, Ypsilanti, MI (US);
Stephen B. Smith, Livonia, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A method for detection of emissions levels during extended engine speed controlled operation is provided. The method includes monitoring mass airflow passing through the engine while operating the engine. The method further includes adjusting mass airflow responsive to engine speed to maintain a desired engine speed. The method further includes shutting down the engine when engine mass airflow becomes higher than a predetermined mass airflow threshold.