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:
May. 21, 2019

Filed:

Jul. 02, 2018
Applicant:

Lennox Industries Inc, Richardson, TX (US);

Inventors:

Yi Qu, Coppell, TX (US);

Bruce Perkins, Carrollton, TX (US);

Mark Olsen, Carrollton, TX (US);

Assignee:

Lennox Industries, Inc., Richardson, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 47/02 (2006.01); F25B 13/00 (2006.01); F24F 11/41 (2018.01); F24F 11/42 (2018.01); F24F 11/43 (2018.01); F25D 21/00 (2006.01); F25B 30/02 (2006.01);
U.S. Cl.
CPC ...
F25D 21/004 (2013.01); F24F 11/41 (2018.01); F24F 11/42 (2018.01); F24F 11/43 (2018.01); F25B 30/02 (2013.01); F25B 47/022 (2013.01); F25B 47/025 (2013.01); F25D 21/008 (2013.01); F25B 2600/01 (2013.01); F25B 2700/11 (2013.01);
Abstract

In various implementations, a heat pump may include heating operations and defrost operations. The heat pump may monitor cycle time(s) for one or more of the operations. Defrost operation(s) in the heat pump may be automatically adjusted based at least partially on cycle times.


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