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:
Mar. 12, 2002
Filed:
Mar. 23, 2000
Applicant:
Inventors:
Sung Mu Choi, Seoul, KR;
Seok Jae Kim, Seoul, KR;
Assignee:
Hyundai Motor Company, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 ;
U.S. Cl.
CPC ...
F01N 3/00 ;
Abstract
An apparatus for purifying the nitric oxide in the exhaust gas of the diesel engine has a NOx adsorber converter mounted on an exhaust gas pipe close to the engine, a urea catalyst converter mounted on the exhaust gas pipe at some distance from the NO adsorber converter, and a urea supplying means connected between the NO adsorber converter and the urea catalyst converter.