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:
Jun. 24, 2025
Filed:
May. 08, 2023
Applicant:
Hitachi-johnson Controls Air Conditioning, Inc., Tokyo, JP;
Inventor:
Mikihito Tokudi, Tokyo, JP;
Assignee:
Hitachi-Johnson Controls Air Conditioning, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 11/84 (2018.01); F25B 30/02 (2006.01);
U.S. Cl.
CPC ...
F24F 11/84 (2018.01); F25B 30/02 (2013.01); F25B 2400/0409 (2013.01); F25B 2600/2513 (2013.01); F25B 2700/2101 (2013.01);
Abstract
An air-conditioner including a main refrigerant circuit having a compressor, a heat-source-side heat exchanger, an expansion valve, and a utilization-side heat exchanger, a bypass path, another expansion valve that decompresses refrigerant flowing in the bypass path, an internal heat exchanger, an opening degree adjuster, and a setter that sets the target temperature difference on the basis of the degree of subcooling of the utilization-side heat exchanger.