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:
Apr. 02, 2024

Filed:

May. 01, 2023
Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventors:

Rodney Allen Lawrence, Frankfort, IN (US);

Brandyn A. Stack, Lafayette, IN (US);

Joshua Amiel Lehe, West Lafayette, IN (US);

Nicholas Edwin Wainscott, Rossville, IN (US);

Eric John Forthofer, Frankfort, IN (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M 5/00 (2006.01); F01M 5/02 (2006.01); F01M 11/00 (2006.01); F01M 13/02 (2006.01); F01M 13/04 (2006.01);
U.S. Cl.
CPC ...
F01M 5/005 (2013.01); F01M 5/021 (2013.01); F01M 11/0004 (2013.01); F01M 13/021 (2013.01); F01M 13/04 (2013.01); F01M 2013/026 (2013.01); F01M 2013/0438 (2013.01);
Abstract

An engine system optionally including: a crankcase of an engine having a blow-by gas passing therethrough; a liquid source containing a liquid; and an oil separating apparatus in fluid communication with the blow-by gas. The oil separating apparatus having a coalescing filter to separate oil from the blow-by gas. Separate from the blow-by gas and the coalescing filter, the oil separating apparatus is in fluid communication with the liquid source to receive the liquid. The liquid is passed through the oil separating apparatus in a heat exchange relationship with the blow-by gas to maintain a desired temperature range for the blow-by gas.


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