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:
Jan. 05, 2016

Filed:

Mar. 12, 2014
Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventors:

Mark Alan Rosenfeld, Peoria, IL (US);

Bobby Jene Kinsey, Jr., Washington, IL (US);

Jeffrey Ries, Metamora, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 35/022 (2006.01); F02M 35/02 (2006.01); F02M 35/08 (2006.01);
U.S. Cl.
CPC ...
F02M 35/0215 (2013.01); F02M 35/0216 (2013.01); F02M 35/0223 (2013.01); F02M 35/086 (2013.01);
Abstract

A pre-cleaner for use with an internal combustion engine includes a base having a substantially planar interior surface, a scavenge port, and a plurality of separators extending substantially perpendicularly from the interior surface. The pre-cleaner also includes a baffle removably connected to the base, the baffle having a plurality of separator features configured to mate with the plurality of separators. The pre-cleaner further includes a deck disposed between the interior surface and the baffle. The deck is positioned at an acute angle relative to the interior surface such that a first portion of the deck is disposed closer to the interior surface than a second portion of the deck.


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