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:
Sep. 02, 2025

Filed:

Jan. 26, 2023
Applicant:

Johnson Controls Tyco Ip Holdings Llp, Milwaukee, WI (US);

Inventors:

Andrew Leroy Hjortland, Stoughton, WI (US);

Roy Randall Crawford, Blanchard, OK (US);

Assignee:

TYCO FIRE & SECURITY GMBH, Neuhausen am Rheinfall, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 11/84 (2018.01); F24F 1/08 (2011.01);
U.S. Cl.
CPC ...
F24F 11/84 (2018.01); F24F 1/08 (2013.01);
Abstract

A heat pump for a heating, ventilation, and air conditioning (HVAC) system includes a compressor system configured to direct a refrigerant flow along a refrigerant circuit of the heat pump. The compressor system includes a first compressor and a second compressor arranged in parallel with one another relative to a direction of the refrigerant flow through the compressor system, the first compressor includes a first volume index, and the second compressor includes a second volume index different from the first volume index. The heat pump also includes a controller communicatively coupled to the first compressor and the second compressor and configured to selectively operate the first compressor, the second compressor, or both based on an operating mode the heat pump.


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Hjortland, Andrew. (2025). Heat pump control systems and methods (U.S. Patent No. 12405024). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12405024

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