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:
Jul. 04, 2023

Filed:

Jun. 04, 2020
Applicant:

Tenneco Automotive Operating Company Inc., Lake Forest, IL (US);

Inventors:

Brett Herwat, Jackson, MI (US);

Boyd Boehlke, Jackson, MI (US);

Bradley Smith, Ann Arbor, MI (US);

Jason Johnson, Brighton, MI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 1/12 (2006.01); F01N 13/08 (2010.01);
U.S. Cl.
CPC ...
F01N 1/12 (2013.01); F01N 13/08 (2013.01); F01N 2470/10 (2013.01); F01N 2470/14 (2013.01); F01N 2470/16 (2013.01); F01N 2470/20 (2013.01);
Abstract

A muffler for use with an internal combustion engine is provided. The muffler includes a first tube configured to receive a first exhaust stream. The first tube includes a first inlet portion, a first outlet portion spaced apart from the first inlet portion, and a first intermediate portion extending between the first inlet portion and the first outlet portion. The muffler also includes a second tube configured to receive a second exhaust stream. The second tube includes a second inlet portion, a second outlet portion spaced apart from the second inlet portion, and a second intermediate portion extending between the second inlet portion and the second outlet portion. The first intermediate portion and the second intermediate portion cross each other, are at least partially stacked on each other, and are in fluid communication with each other.


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