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.

Date of Patent:
Dec. 15, 2015

Filed:

Oct. 10, 2014
Applicant:

Hyundai Motor Company, Seoul, KR;

Inventors:

Ho-Chan An, Hwasung-shi, KR;

Chul-Min Park, Seoul, KR;

Seung-Hwan Lim, Seoul, KR;

Jong-Ho Seon, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 13/02 (2010.01); F01N 1/08 (2006.01); F01N 13/08 (2010.01);
U.S. Cl.
CPC ...
F01N 13/087 (2013.01); F01N 13/02 (2013.01); F01N 1/08 (2013.01); F01N 2240/36 (2013.01);
Abstract

A structure of an exhaust system for a cylinder deactivation (CDA) engine may include first, second and third baffles which are coupled in a main muffler, and divide an interior of the main muffler into first, second, third and fourth spaces respectively, a connecting pipe which connects the second space and the third space of the main muffler, and has a passage in which the exhaust gas flows, a first valve coupled to the passage of the connecting pipe to open and close the passage of the connecting pipe, and a second valve openably and closably coupled to the second baffle disposed between the second space and the third space, wherein the first baffle coupled between the first space and the second space, and the third baffle coupled between the third space and the fourth space, have a plurality of holes so that the exhaust gas flows therethrough.


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