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:
Apr. 05, 2022

Filed:

Jun. 19, 2018
Applicants:

Daikin Industries, Ltd., Osaka, JP;

Daikin Applied Americas Inc., Minneapolis, MN (US);

Inventors:

Hiromune Matsuoka, Osaka, JP;

Ryuusuke Fujiyoshi, Osaka, JP;

Kyou Tomikawa, Osaka, JP;

Yoshihiko Hagiwara, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 7/00 (2006.01); F25B 13/00 (2006.01); F25B 29/00 (2006.01); F25B 31/02 (2006.01);
U.S. Cl.
CPC ...
F25B 7/00 (2013.01); F25B 13/00 (2013.01); F25B 29/003 (2013.01); F25B 31/026 (2013.01); F25B 2309/06 (2013.01); F25B 2313/0231 (2013.01); F25B 2313/0233 (2013.01); F25B 2600/021 (2013.01); F25B 2600/0253 (2013.01); F25B 2600/2507 (2013.01);
Abstract

A heat transport system includes: a refrigerant circuit that seals therein a fluid including HFC-32 and/or HFO refrigerant as a refrigerant and that includes: a refrigerant booster that boosts the refrigerant; an outdoor air heat exchanger that exchanges heat between the refrigerant and outdoor air; a medium heat exchanger that exchanges heat between the refrigerant and a heat transfer medium; and a refrigerant flow path switch that switches between a refrigerant radiation state and a refrigerant evaporation state; and a medium circuit that seals carbon dioxide therein as the heat transfer medium.


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