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:
Feb. 03, 2015
Filed:
Sep. 27, 2010
Applicants:
Yongxiang LI, Peoria, IL (US);
Jinhui Sun, Dunlap, IL (US);
Inventors:
Yongxiang Li, Peoria, IL (US);
Jinhui Sun, Dunlap, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/24 (2006.01); F01N 3/20 (2006.01); F02B 37/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); F01N 2610/1406 (2013.01); F01N 2610/1473 (2013.01); F01N 2610/146 (2013.01); Y02T 10/24 (2013.01); F01N 2610/1453 (2013.01); F02B 37/00 (2013.01); F01N 2610/10 (2013.01); F01N 2610/02 (2013.01);
Abstract
A reductant dosing system for an engine is disclosed. The reductant dosing system may have a supply of reductant, a reservoir configured to hold pressurized reductant, and a pump configured to draw reductant from the supply and discharge reductant at an elevated pressure into the reservoir. The reductant dosing system may also have a plurality of injectors fluidly connected to the reservoir, and a drain valve fluidly connected between the reservoir and the supply.