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:
Aug. 05, 2025

Filed:

Jun. 07, 2024
Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventors:

Md Anwarul Karim, Peoria, IL (US);

Zhengfei Hu, Wuxi, CN;

Ryan M. Brown, West Lafayette, IN (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/04 (2006.01);
U.S. Cl.
CPC ...
F01N 3/046 (2013.01); F01N 2260/024 (2013.01);
Abstract

Examples include an exhaust manifold assembly for an internal combustion engine, the exhaust manifold assembly optionally including: an inner housing configured to receive an exhaust gas from a cylinder head of the internal combustion engine; an outer housing receiving at least a portion of the inner housing, wherein the outer housing is configured to receive a coolant flow that passes over the at least the portion of the inner housing; and a plurality of manifold flanges coupled to the outer housing and configured to mount on the cylinder head, wherein at least one of the plurality of manifold flanges has a sleeve portion forming a passage that receives a part of the inner housing therein and receives the coolant flow.


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