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, 2017

Filed:

May. 26, 2015
Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventors:

Ronald Maloney, Peoria, IL (US);

Craig Hittle, Peoria, IL (US);

Christopher Reed, Peoria, IL (US);

Anwarul Karim, Peoria, IL (US);

Daniel Barb, East Peoria, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 1/00 (2006.01); F01N 3/04 (2006.01); F01N 13/18 (2010.01);
U.S. Cl.
CPC ...
F01N 3/046 (2013.01); F01N 13/1827 (2013.01); F01N 13/1855 (2013.01);
Abstract

A modular exhaust manifold includes a plurality of exhaust manifold segments coupled together along a common axis. Exhaust manifold segments include a water jacket tube defining a liquid coolant passage around each of the plurality of exhaust manifold segments. The internal combustion engine also includes a coupling assembly for joining adjacent exhaust manifold segments. The coupling assembly includes a plurality of annular sealing devices configured to fit within a first set of grooves formed on an end portion of a first exhaust manifold segment. The coupling assembly also includes a spacing collar configured to attach to the end portion of the first exhaust manifold segment and couple with a fixed radial flange formed on an adjacent end portion of a second exhaust manifold segment to join the first exhaust manifold segment and the second exhaust manifold segment.


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