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. 28, 2026

Filed:

Aug. 19, 2024
Applicant:

Deere & Company, Moline, IL (US);

Inventors:

Bryan T. Geisick, Cedar Falls, IA (US);

Scott R. Miles, Cedar Falls, IA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01P 7/14 (2006.01); F02M 21/02 (2006.01); F02M 31/02 (2019.01); F02M 31/20 (2006.01);
U.S. Cl.
CPC ...
F01P 7/14 (2013.01); F02M 21/0206 (2013.01); F02M 21/0209 (2013.01); F02M 21/0215 (2013.01); F02M 21/0221 (2013.01); F02M 21/0239 (2013.01); F02M 21/0287 (2013.01); F02M 31/02 (2013.01); F02M 31/20 (2013.01); F01P 2007/146 (2013.01);
Abstract

A system and method for thermal management for a work vehicle having an engine and a non-engine heat-generating component is disclosed. A fuel tank configured to store fuel in a liquid or gaseous state and fuel flow lines are configured to deliver the fuel from the fuel tank to the engine for combustion of the fuel and to utilize all or a portion of the fuel for cooling to cool one or more components of the engine or a cooling body of the non-engine heat-generating component or both. A thermal expansion valve is coupled to the fuel flow lines intermediate the fuel tank and the engine and is configured to deliver all or the portion of the fuel utilized for cooling through an orifice such that the fuel undergoes a pressure reduction, including changing from a liquid state to a gaseous state if the fuel is in a liquid state when stored in the fuel tank, and inducing a heat of vaporization to absorb thermal energy in the one or more components of the engine or the cooling body of the non-engine heat-generating component. All or the portion of the fuel utilized for cooling is delivered to the engine for combustion after passing through the one or more components of the engine or the cooling body of the non-engine heat-generating component.


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