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. 17, 2021
Filed:
Jul. 02, 2019
Applicant:
Lennox Industries Inc., Richardson, TX (US);
Inventor:
Der-Kai Hung, Dallas, TX (US);
Assignee:
Lennox Industries Inc., Richardson, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 49/02 (2006.01); F25B 5/00 (2006.01); F25B 13/00 (2006.01); F25B 41/20 (2021.01); F25B 29/00 (2006.01); F25B 41/39 (2021.01); F25B 41/385 (2021.01);
U.S. Cl.
CPC ...
F25B 49/02 (2013.01); F25B 5/00 (2013.01); F25B 13/00 (2013.01); F25B 41/20 (2021.01); F25B 29/003 (2013.01); F25B 41/385 (2021.01); F25B 41/39 (2021.01); F25B 2313/007 (2013.01); F25B 2313/0253 (2013.01); F25B 2313/0254 (2013.01); F25B 2313/0294 (2013.01); F25B 2313/02743 (2013.01); F25B 2600/0253 (2013.01); F25B 2600/07 (2013.01); Y02B 30/70 (2013.01);
Abstract
A system comprising a compressor, a first valve coupled to the compressor and coupled to a first coil, a first expansion valve coupled to the first coil, a second coil, and a second expansion valve. The second expansion valve coupled to a third coil, a second valve coupled to the compressor and the third coil. A controller operable to operate the first valve, the first expansion valve, the second expansion valve, and the second valve. The second coil is coupled to the compressor and the refrigerant flows from the second coil to the compressor.