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. 11, 2013
Filed:
Nov. 19, 2008
Applicants:
Jinhui Sun, Bloomington, IL (US);
Shashank Mupparapu, Peoria, IL (US);
Theodore J. Tarabulski, Chillcothe, IL (US);
Paul W. Park, Peoria, IL (US);
Inventors:
Jinhui Sun, Bloomington, IL (US);
Shashank Mupparapu, Peoria, IL (US);
Theodore J. Tarabulski, Chillcothe, IL (US);
Paul W. Park, Peoria, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (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 for purging reductant from a reductant supply system is disclosed. The method includes dispensing reductant into an exhaust system via a dispensing device. The method also includes purging the dispensing device by urging reductant from the dispensing device to a reductant source.