US 11,996,251 B2
Gas insulating device with anti-liquification means
Yannick Kieffel, Villeurbanne (FR); François Biquez, Villeurbanne (FR); and Thomas Berteloot, Villeurbanne (FR)
Assigned to GE INFRASTRUCTURE TECHNOLOGY LLC, Greenville, SC (US)
Appl. No. 17/764,944
Filed by General Electric Technology GmbH, Baden (CH)
PCT Filed Sep. 22, 2020, PCT No. PCT/EP2020/076450
§ 371(c)(1), (2) Date Mar. 29, 2022,
PCT Pub. No. WO2021/063753, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 19290098 (EP), filed on Sep. 30, 2019.
Prior Publication US 2022/0359138 A1, Nov. 10, 2022
Int. Cl. H01H 33/56 (2006.01); H02B 13/045 (2006.01); H02B 13/055 (2006.01)
CPC H01H 33/562 (2013.01) [H01H 33/565 (2013.01); H02B 13/045 (2013.01); H02B 13/055 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A medium or high voltage electrical device, comprising:
a sealed chamber, the sealed chamber comprising:
electrical components;
a gas mixture ensuring electrical insulation and/or extinguishing of electrical arcs produced in this sealed chamber, wherein the gas mixture comprises at least one insulating gas and at least one dilution gas; and
a receptacle, the receptacle comprising an opening, at least one wall, wherein at least one wall is a heatable receptacle wall, and wherein the receptacle is positioned to receive liquefied gas;
the device further comprising a heating element for heating the heatable receptacle wall; and
a dielectrically and thermally insulating layer located between the heatable receptacle wall and the sealed chamber.