US 12,473,476 B2
Working medium and heat cycle system
Masato Fukushima, Tokyo (JP)
Assigned to AGC Inc., Tokyo (JP)
Filed by AGC Inc., Tokyo (JP)
Filed on Jun. 27, 2022, as Appl. No. 17/809,159.
Application 17/809,159 is a division of application No. 17/070,235, filed on Oct. 14, 2020, abandoned.
Application 17/070,235 is a continuation of application No. 16/504,615, filed on Jul. 8, 2019, granted, now 10,836,941, issued on Nov. 17, 2020.
Application 16/504,615 is a continuation of application No. 15/704,211, filed on Sep. 14, 2017, granted, now 10,392,544, issued on Aug. 27, 2019.
Application 15/704,211 is a continuation of application No. 14/084,066, filed on Nov. 19, 2013, granted, now 9,790,412, issued on Oct. 17, 2017.
Application 14/084,066 is a continuation of application No. PCT/JP2012/062844, filed on May 18, 2012.
Claims priority of application No. 2011-112416 (JP), filed on May 19, 2011.
Prior Publication US 2022/0380647 A1, Dec. 1, 2022
Int. Cl. C09K 5/04 (2006.01); F25B 9/00 (2006.01)
CPC C09K 5/044 (2013.01) [C09K 5/045 (2013.01); F25B 9/002 (2013.01); C09K 2205/12 (2013.01); C09K 2205/122 (2013.01); C09K 2205/126 (2013.01)] 7 Claims
 
1. A working medium for heat cycle, comprising 1,2-difluoroethylene, propane, and a hydrochlorofluoroolefin or a chlorofluoroolefin,
wherein an amount of propane is from more than 20 mass % to 30 mass % of a total amount of the working medium, and
wherein
the hydrochlorofluoroolefin is 1-chloro-2,3,3,3-tetrafluoropropene or 1-chloro-1,2-difluoroethylene, or
the chlorofluoroolefin is 1,1-dichloro-2,3,3,3-tetrafluoropropene or 1,2-dichloro-1,2-difluoroethylene.