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:
Mar. 27, 2012
Filed:
Jan. 31, 2007
Furqan Zafar Shaikh, Troy, MI (US);
John Paul Bogema, Flat Rock, MI (US);
Michiel J. Van Nieuwstadt, Ann Arbor, MI (US);
Scott Donald Cooper, Ann Arbor, MI (US);
Garry Anthony Zawacki, Livonia, MI (US);
Jacobus Hendrik Visser, Farmington Hills, MI (US);
William Charles Ruona, Farmington Hills, MI (US);
Timothy Webb, Ann Arbor, MI (US);
Ed Kulik, Plymouth, MI (US);
David K. Chen, Rochester Hills, MI (US);
Furqan Zafar Shaikh, Troy, MI (US);
John Paul Bogema, Flat Rock, MI (US);
Michiel J. Van Nieuwstadt, Ann Arbor, MI (US);
Scott Donald Cooper, Ann Arbor, MI (US);
Garry Anthony Zawacki, Livonia, MI (US);
Jacobus Hendrik Visser, Farmington Hills, MI (US);
William Charles Ruona, Farmington Hills, MI (US);
Timothy Webb, Ann Arbor, MI (US);
Ed Kulik, Plymouth, MI (US);
David K. Chen, Rochester Hills, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A method of operating an internal combustion engine having a reductant delivery and storage system in an emission control system, comprising of correlating a change in a monitored operating condition with a refill event to determine whether a reductant-diluting substance has been added to the reductant storage system; and limiting vehicle operation based on the correlation.