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Title:
ELECTRIC EQUIPMENT, FILLING EQUIPMENT, AND STORAGE EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2022/131226
Kind Code:
A1
Abstract:
Electric equipment having a ground tank in which a conductor is disposed, wherein the ground tank is filled with insulating arc extinguishing gas, the insulating arc extinguishing gas is trapped in the ground tank by a sealing member, the insulating arc extinguishing gas contains at least one selected from the group consisting of hydrofluoroolefin having 3 or 4 carbon atoms and hydrochlorofluoroolefin having 3 or 4 carbon atoms, and the sealing member contains at least one selected from the group consisting of ethylene propylene rubber, styrene butadiene rubber, isobutylene-isoprene rubber, chloroprene rubber, natural rubber, nitrile rubber, hydrogenated nitrile rubber, urethane rubber, chlorosulfonated polyethylene rubber, vinylidene fluoride-based fluororubber, tetrafluoroethylene perfluorovinylether-based rubber, and polytetrafluoroethylene.

Inventors:
HAYAMIZU HIROKI (JP)
CHINSOGA TAMAKI (JP)
FUKUSHIMA MASATO (JP)
Application Number:
PCT/JP2021/045912
Publication Date:
June 23, 2022
Filing Date:
December 13, 2021
Export Citation:
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Assignee:
AGC INC (JP)
International Classes:
H01H33/56; H02B13/055
Domestic Patent References:
WO2015120250A12015-08-13
Foreign References:
JP2020514493A2020-05-21
JP2009289566A2009-12-10
JPH08273462A1996-10-18
JP2020022253A2020-02-06
JP2017140793A2017-08-17
CN208241179U2018-12-14
JP2018525327A2018-09-06
JP2000059935A2000-02-25
US7795482B22010-09-14
US8399721B22013-03-19
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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