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:
Jan. 17, 2012
Filed:
Sep. 28, 2007
Applicant:
Dale Arnold Dalton, Metamora, IL (US);
Inventor:
Dale Arnold Dalton, Metamora, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An exhaust after-treatment system having a main tank configured to retain and supply a reductant is disclosed. The exhaust after-treatment system includes a main heat source disposed in the main tank and configured to thaw the reductant. The exhaust after-treatment system also includes a secondary tank configured to retain a supply of reductant and a pump configured to pass reductant from the secondary tank to the main tank. The exhaust after-treatment system further includes a secondary heat source configured to thaw the reductant within the secondary tank.