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:
Jan. 21, 2025
Filed:
Mar. 29, 2022
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Masaaki Takegami, Osaka, JP;
Shuichi Taguchi, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 13/00 (2006.01); F25B 41/20 (2021.01); F25B 41/31 (2021.01); F25B 49/02 (2006.01);
U.S. Cl.
CPC ...
F25B 13/00 (2013.01); F25B 41/20 (2021.01); F25B 41/31 (2021.01); F25B 49/02 (2013.01); F25B 2313/0314 (2013.01); F25B 2500/27 (2013.01); F25B 2600/2513 (2013.01); F25B 2600/2525 (2013.01);
Abstract
A refrigerant circuit has a liquid passage that allows a receiver to communicate with a utilization heat exchanger, and a first expansion valve provided in the liquid passage. The controller opens the first expansion valve when the compression element is in the stopped state and a pressure in the receiver exceeds a predetermined first pressure.