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:
Nov. 21, 2023
Filed:
Jun. 26, 2020
Daikin Industries, Ltd., Osaka, JP;
Eiji Kumakura, Osaka, JP;
Takuro Yamada, Osaka, JP;
Atsushi Yoshimi, Osaka, JP;
Ikuhiro Iwata, Osaka, JP;
Mitsushi Itano, Osaka, JP;
Daisuke Karube, Osaka, JP;
Yuuki Yotsumoto, Osaka, JP;
Kazuhiro Takahashi, Osaka, JP;
Tatsuya Takakuwa, Osaka, JP;
Yuzo Komatsu, Osaka, JP;
Shun Ohkubo, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A refrigeration cycle apparatus () includes a refrigerant circuit () including a compressor (), a heat source-side heat exchanger (), an expansion mechanism (), and a usage-side heat exchanger (). In the refrigerant circuit (), a refrigerant containing at least 1,2-difluoroethylene (HFO-1132 (E)) is sealed. At least during a predetermined operation, in at least one of the heat source-side heat exchanger () and the usage-side heat exchanger (), a flow of the refrigerant and a flow of a heating medium that exchanges heating with the refrigerant are counter flows.