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.

Date of Patent:
Sep. 06, 2022

Filed:

Jun. 25, 2020
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;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 13/00 (2006.01); C09K 5/04 (2006.01);
U.S. Cl.
CPC ...
F25B 13/00 (2013.01); C09K 5/045 (2013.01); C09K 2205/126 (2013.01); C09K 2205/22 (2013.01);
Abstract

A heat source unit and a refrigeration cycle apparatus that are able to reduce damage to a connection pipe when a refrigerant containing at least 1,2-difluoroethylene is used are provided. An outdoor unit () that is connected via a liquid-side connection pipe () and a gas-side connection pipe () to an indoor unit () including an indoor heat exchanger () and that is a component of an air conditioner () includes a compressor () and an outdoor heat exchanger (). A refrigerant containing at least 1,2-difluoroethylene is used as a refrigerant. A design pressure of the outdoor unit () is lower than 1.5 times a design pressure of each of the liquid-side connection pipe () and the gas-side connection pipe ().


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