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:
Sep. 13, 2022
Filed:
Jun. 25, 2020
Daikin Industries, Ltd., 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;
Tetsushi Tsuda, Osaka, JP;
Takeo Abe, Osaka, JP;
Yumi Toda, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A refrigeration cycle apparatus that can improve operation efficiency when a refrigerant that contains at least 1,2-difluoroethylene is used is provided. An air conditioning apparatusincludes a compressor (), an outdoor heat exchanger (), an outdoor expansion valve (), an indoor heat exchanger (), and a suction injection pipe (), and uses a refrigerant that contains at least 1,2-difluoroethylene. The suction injection pipe () allows a part of a refrigerant that flows toward the indoor heat exchanger () from the outdoor heat exchanger () to merge with a low-pressure refrigerant that is sucked into the compressor ().