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:
Aug. 11, 2026
Filed:
Feb. 29, 2024
Applicant:
Trane International Inc., Davidson, NC (US);
Inventors:
Lee R. Cline, West Salem, WI (US);
Richard M. Heiden, Holman, WI (US);
Brian J. Fiegen, La Crosse, WI (US);
Assignee:
TRANE INTERNATIONAL INC., Davidson, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D 20/00 (2006.01);
U.S. Cl.
CPC ...
F28D 20/0034 (2013.01);
Abstract
A heat pump system for a building can include thermal energy storage tanks, a first air source heat pump for providing energy to the system, a second air source heat pump for providing energy to the system under cold climate conditions, and an additional heat source for supporting defrost operations and/or to provide energy under extreme cold conditions. The system can further include a controller configured to provide efficient use of energy sources to meet heating demands under extreme cold conditions.