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:
Apr. 08, 2025
Filed:
Jun. 26, 2020
Daikin Industries, Ltd., Osaka, JP;
Masanori Ukibune, Osaka, JP;
Atsushi Okamoto, Osaka, JP;
Mitsushi Itano, Osaka, JP;
Daisuke Karube, Osaka, JP;
Yuuki Yotsumoto, Osaka, JP;
Kazuhiro Takahashi, Osaka, JP;
Yuzo Komatsu, Osaka, JP;
Shun Ohkubo, Osaka, JP;
Tatsuya Takakuwa, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A warm-water generating apparatus () uses, as a refrigerant, a mixed refrigerant containing at least 1,2-difluoroethylene (HFO-1132(E)). The warm-water generating apparatus () includes a compressor (), a heat-source-side air heat exchanger (), an expansion valve (), and a use-side water heat exchanger (). The water heat exchanger () causes the mixed refrigerant flowing therein and first water to exchange heat with each other to heat the first water.