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:
May. 12, 2026
Filed:
Jan. 11, 2023
Daikin Industries, Ltd., Osaka, JP;
Takashi Usui, Osaka, JP;
Tomoyuki Gotou, Osaka, JP;
Takashi Yoshimura, Osaka, JP;
Yuuko Itou, Osaka, JP;
Yuka Watanabe, Osaka, JP;
Takuma Iwasaka, Osaka, JP;
Youhei Takakura, Osaka, JP;
Yuuki Yotsumoto, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
The propagation of a disproportionation reaction of a refrigerant is suppressed. Disclosed is a method of using a composition as a refrigerant in a compressor, in which the composition includes one or more compounds selected from the group of ethylene-based fluoroolefins, 2,3,3,3-tetrafluoropropene, and 1,3,3,3-tetrafluoropropene, and the dimension of a gap of a predetermined portion through which the refrigerant flows around an ignition energy generation portion in the compressor is less than or equal to 2 mm.