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. 23, 2018
Filed:
Jul. 10, 2014
Applicant:
Hyundai Motor Company, Seoul, KR;
Inventors:
Assignee:
Hyundai Motor Company, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); B60K 15/035 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2066 (2013.01); B60K 15/03504 (2013.01); B60K 15/03519 (2013.01); B60K 2015/03509 (2013.01); B60K 2015/03514 (2013.01); F01N 2610/01 (2013.01); F01N 2610/02 (2013.01); F01N 2610/1413 (2013.01); F01N 2610/1426 (2013.01); F01N 2610/1466 (2013.01); Y02T 10/24 (2013.01); Y10T 137/309 (2015.04);
Abstract
Disclosed is a urea injection device for a selective catalyst reduction device. The urea injection device for a selective catalyst reduction device serves to inject urea into a urea tank through a urea injection port and a urea injection line that connects the urea injection port and the urea tank. The urea injection device may include: i) a leveling pipe which is connected with the urea tank, ii) a separator which is installed to be connected with the leveling pipe, and connected to the urea injection port through a gas recirculation line, iii) a gas vent line which is connected with the separator, and iv) a check valve which is installed in the gas vent line.