US 12,291,665 B2
Composition containing refrigerant, use of same, refrigerator having same, and method for operating said refrigerator
Mitsushi Itano, Osaka (JP); Shun Ohkubo, Osaka (JP); and Daisuke Karube, Osaka (JP)
Assigned to DAIKIN INDUSTRIES, LTD., Osaka (JP)
Filed by DAIKIN INDUSTRIES, LTD., Osaka (JP)
Filed on Dec. 16, 2021, as Appl. No. 17/553,103.
Application 17/553,103 is a continuation of application No. PCT/JP2020/024049, filed on Jun. 19, 2020.
Claims priority of application No. 2019-114156 (JP), filed on Jun. 19, 2019; and application No. 2020-019121 (JP), filed on Feb. 6, 2020.
Prior Publication US 2022/0177763 A1, Jun. 9, 2022
Int. Cl. C09K 5/04 (2006.01)
CPC C09K 5/045 (2013.01) [C09K 2205/106 (2013.01); C09K 2205/40 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132 (E)), difluoromethane (R32), 1,3,3,3-tetrafluoropropene (R1234ze), and carbon dioxide (CO2).
 
10. A method for operating a refrigerator comprising circulating the composition according to claim 1 in a refrigerator designed for R410A.
 
11. A refrigerating machine comprising the composition according to claim 1 as a working fluid.
 
12. A method for operating a refrigerating machine, comprising circulating the composition according to claim 1 as a working fluid in a refrigerating machine.