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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.:

US 11535781 B1

PDFFull Text
Date of Patent:
Dec. 27, 2022

Filed:

Dec. 18, 2018

Refrigeration cycle apparatus

Applicant:

Daikin Industries, Ltd., Osaka, JP;

Inventors:

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;

Keisuke Ohtsuka, Osaka, JP;

Yoshinari Asano, Osaka, JP;

Keiji Aota, Osaka, JP;

Yuuichi Yanagi, Osaka, JP;

Yoshikazu Nakao, Osaka, JP;

Takeo Abe, Osaka, JP;

Yumi Toda, Osaka, JP;

Tetsushi Tsuda, Osaka, JP;

Assignee:

DAIKIN INDUSTRIES, LTD., Osaka, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Kun Kai Ma

Int. Cl.
CPC ...
C09K 5/04 (2006.01); F25B 13/00 (2006.01); F25B 29/00 (2006.01); F25B 31/00 (2006.01); F25B 49/02 (2006.01); F24H 4/02 (2022.01); F25B 41/00 (2021.01); F24F 1/0059 (2019.01); F24F 1/24 (2011.01); F24F 13/30 (2006.01); F24F 1/0067 (2019.01); F24F 1/0063 (2019.01); F24F 3/052 (2006.01); F25B 7/00 (2006.01); F25B 39/00 (2006.01); F25B 39/02 (2006.01); F24F 1/14 (2011.01); F24F 1/32 (2011.01); F24F 1/34 (2011.01); F24F 1/38 (2011.01); F25B 9/00 (2006.01); F25B 1/00 (2006.01); F25B 31/02 (2006.01); F24F 5/00 (2006.01); F24F 11/88 (2018.01); F25B 1/04 (2006.01); F24H 1/00 (2022.01); F25B 21/00 (2006.01); F25B 41/34 (2021.01); H02K 7/14 (2006.01);
U.S. Cl.
CPC ...
C09K 5/045 (2013.01); F24F 1/0059 (2013.01); F24F 1/0063 (2019.02); F24F 1/0067 (2019.02); F24F 1/14 (2013.01); F24F 1/24 (2013.01); F24F 1/32 (2013.01); F24F 1/34 (2013.01); F24F 1/38 (2013.01); F24F 3/052 (2013.01); F24F 5/001 (2013.01); F24F 11/88 (2018.01); F24F 13/30 (2013.01); F24H 1/0018 (2013.01); F24H 4/02 (2013.01); F25B 1/00 (2013.01); F25B 1/04 (2013.01); F25B 7/00 (2013.01); F25B 9/002 (2013.01); F25B 9/006 (2013.01); F25B 13/00 (2013.01); F25B 21/00 (2013.01); F25B 29/003 (2013.01); F25B 31/002 (2013.01); F25B 31/006 (2013.01); F25B 31/026 (2013.01); F25B 39/00 (2013.01); F25B 39/028 (2013.01); F25B 41/00 (2013.01); F25B 41/34 (2021.01); F25B 49/02 (2013.01); F25B 49/022 (2013.01); C09K 2205/106 (2013.01); C09K 2205/122 (2013.01); C09K 2205/126 (2013.01); C09K 2205/128 (2013.01); C09K 2205/22 (2013.01); C09K 2205/24 (2013.01); C09K 2205/43 (2013.01); F25B 2313/0233 (2013.01); F25B 2400/07 (2013.01); F25B 2400/121 (2013.01); F25B 2500/05 (2013.01); F25B 2500/07 (2013.01); F25B 2600/05 (2013.01); F25B 2600/2513 (2013.01); F25B 2700/04 (2013.01); F25B 2700/1931 (2013.01); H02K 7/14 (2013.01);
Abstract

A refrigeration cycle apparatus () is capable of performing a refrigeration cycle using a small-GWP refrigerant. The refrigeration cycle apparatus () includes a refrigerant circuit () and a refrigerant enclosed in the refrigerant circuit (). The refrigerant circuit includes a compressor (), a condenser (), a decompressing section (), and an evaporator (). The refrigerant contains at least 1,2-difluoroethylene.

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