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.
Patent No.:
Date of Patent:
Mar. 24, 2026
Filed:
Dec. 12, 2023
Applicant:
Trane International Inc., Davidson, NC (US);
Inventors:
William B. Fox, Onalaska, WI (US);
Jacob L. Gregg, Pueblo, CO (US);
Robert J. Larrinaga, Pueblo West, CO (US);
Todd Duncan, La Crosse, WI (US);
Daryl Keys, La Crosse, WI (US);
Assignee:
TRANE INTERNATIONAL INC., Davidson, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 13/00 (2006.01); F25B 29/00 (2006.01); F25B 41/20 (2021.01); F25B 41/40 (2021.01);
U.S. Cl.
CPC ...
F25B 13/00 (2013.01); F25B 29/003 (2013.01); F25B 41/20 (2021.01); F25B 41/40 (2021.01);
Abstract
A free cooling system includes a circulation path including a pump and one or more heaters. The pump is configured to circulate a process fluid when the free cooling system is deactivated, and the one or more heaters are configured to add heat to the process fluid in the circulation path such that the process fluid remains above a freezing temperature of said process fluid.