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:
Apr. 03, 2012
Filed:
Aug. 08, 2007
Applicants:
Joseph Patterson, Dearborn, MI (US);
Paul M. Laing, Canton, MI (US);
Inventors:
Joseph Patterson, Dearborn, MI (US);
Paul M. Laing, Canton, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of operating an internal combustion engine having a reductant delivery and storage system in an emission control system is disclosed. The method comprises applying an ultrasonic field to a reductant-containing liquid in the reductant storage device to generate a mist of the reductant-containing liquid, and selectively introducing an amount of mist to an exhaust system coupled to the catalyst based on an engine operating condition.