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:
Oct. 22, 2024
Filed:
Oct. 19, 2022
Applicant:
Thermo King Llc, Minneapolis, MN (US);
Inventors:
Assignee:
THERMO KING LLC, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 13/00 (2006.01); F25B 40/06 (2006.01); F25B 41/31 (2021.01);
U.S. Cl.
CPC ...
F25B 41/31 (2021.01); F25B 13/00 (2013.01); F25B 40/06 (2013.01); F25B 2600/21 (2013.01); F25B 2600/2513 (2013.01);
Abstract
There is disclosed heat pump, comprising: an internal heat exchanger configured to transfer heat from refrigerant in a liquid line pathway to refrigerant in a suction line pathway, to superheat the refrigerant upstream of a compressor; and a controller configured to: control an expansion valve to maintain a target superheat of refrigerant at a control location. The target superheat is variable and is determined based on one or more operating conditions of the heat pump. There is also disclosed a method of operating a heat pump and a simulation method to determine a variable superheat.