US 12,456,851 B2
Gas-insulated switching device using C3HCIF4 or C4H2F6
Tamaki Chinsoga, Chiyoda-ku (JP); Masato Fukushima, Chiyoda-ku (JP); and Hiroki Hayamizu, Chiyoda-ku (JP)
Assigned to AGC INC., Tokyo (JP)
Filed by AGC INC., Tokyo (JP)
Filed on Apr. 5, 2023, as Appl. No. 18/295,922.
Application 18/295,922 is a continuation of application No. PCT/JP2021/037954, filed on Oct. 13, 2021.
Claims priority of application No. 2020-177310 (JP), filed on Oct. 22, 2020.
Prior Publication US 2023/0261446 A1, Aug. 17, 2023
Int. Cl. H02B 13/055 (2006.01)
CPC H02B 13/055 (2013.01) 17 Claims
OG exemplary drawing
 
1. An electric facility, comprising:
a metal tank;
a conductor member positioned in the metal tank; and
a dielectric filling the metal tank and comprising at least one selected from a group consisting of 1-chloro-2,3,3,3-tetrafluoropropene and 1,1,1,4,4,4-hexafluoro-2-butene,
wherein the conductor member has a surface comprising a metal selected from a group consisting of aluminum, copper, silver, tin, zinc iron and chromium or an alloy comprising at least one selected from the group consisting of aluminum, copper silver tin zinc iron and chromium.