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. 28, 2026

Filed:

Apr. 27, 2023
Applicant:

Trane International Inc., Davidson, NC (US);

Inventors:

Ronnie R. Moffitt, Harrodsburg, KY (US);

Patrick Birbarah, La Crosse, WI (US);

Kenneth J. Schultz, Onalaska, WI (US);

Chen Wei, Shanghai, CN;

Assignee:

TRANE INTERNATIONAL INC., Davidson, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 3/14 (2006.01); B01D 53/06 (2006.01); B01D 53/26 (2006.01);
U.S. Cl.
CPC ...
F24F 3/1423 (2013.01); B01D 53/06 (2013.01); B01D 53/261 (2013.01); B01D 2257/80 (2013.01); B01D 2259/4009 (2013.01); B01D 2259/402 (2013.01); F24F 2003/144 (2013.01); F24F 2203/1032 (2013.01); F24F 2203/106 (2013.01); F24F 2203/1072 (2013.01);
Abstract

The AHU includes an air dehumidifying (AD) flow path, an air regeneration (AR) flow path, a first desiccant wheel and a second desiccant wheel each in the AD flow path and the AR flow path, a first cooler heat exchanger in the AD flow path, a second cooler in the AD flow path, and a heater disposed in the AR flow path. An HVACR system includes the AHU and a chiller configured to supply chiller liquid to the first cooler heat exchanger and the second cooler heat exchanger in the AHU. A method of conditioning air in an HVACR system includes directing air through the air dehumidifying (AD) flow path and directing air through an air regeneration (AR) flow path to regenerate the desiccant in a first desiccant wheel and the desiccant in a second desiccant wheel.


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