Perfluorinated 1-alkoxypropenes in dielectric fluids and electrical devices
US-2020388412-A1 · Dec 10, 2020 · US
Electrical apparatus, filing apparatus and storage apparatus
US2023326693A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2023326693-A1 |
| Application number | US-202318333912-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jun 13, 2023 |
| Priority date | Dec 16, 2020 |
| Publication date | Oct 12, 2023 |
| Grant date | — |
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- Title
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Abstract
Official abstract text for this publication.
An electrical apparatus have a grounded tank with a conductor at an inside thereof, in which: the inside of the grounded tank is filled with insulating arc-extinguishing gas; the insulating arc-extinguishing gas is confined in the grounded tank by a sealing member; the insulating arc-extinguishing gas includes at least one selected from the group consisting of a hydrofluoroolefin having 3 or 4 carbon atoms and a hydrochlorofluoroolefin having 3 or 4 carbon atoms; and the sealing member includes at least one selected from the group consisting of an ethylene propylene rubber, an isobutylene-isoprene rubber, a chloroprene rubber, a natural rubber, a nitrile rubber, a hydrogenated nitrile rubber, an urethane rubber, a chlorosulfonated polyethylene rubber, a vinylidene fluoride based fluororubber, a tetrafluoroethylene-perfluorovinylether based rubber and a polytetrafluoroethylene.
First claim
Opening claim text (preview).
1 . An electrical apparatus comprising a grounded tank having a conductor at an inside thereof, wherein: the grounded tank is filled inside with an insulating arc-extinguishing gas; an atmosphere around the conductor in the grounded tank is filled with the insulating arc-extinguishing gas; the insulating arc-extinguishing gas is confined in the grounded tank by a sealing member; the insulating arc-extinguishing gas includes at least one selected from the group consisting of a hydrofluoroolefin having 3 or 4 carbon atoms and a hydrochlorofluoroolefin having 3 or 4 carbon atoms; and the sealing member comprises at least one selected from the group consisting of an ethylene propylene rubber, an isobutylene-isoprene rubber, a chloroprene rubber, a natural rubber, a nitrile rubber, a hydrogenated nitrile rubber, an urethane rubber, a chlorosulfonated polyethylene rubber, a vinylidene fluoride based fluororubber, a tetrafluoroethylene-perfluorovinylether based rubber and a polytetrafluoroethylene. 2 . The electrical apparatus according to claim 1 , wherein the insulating arc-extinguishing gas comprises at least one selected from the group consisting of 1-chloro-2,3,3,3-tetrafluoropropene and 1,1,1,4,4,4-hexafluoro-2-butene. 3 . The electrical apparatus according to claim 1 , wherein the insulating arc-extinguishing gas further comprises at least one diluent gas selected from the group consisting of He, Ar, CO 2 , N 2 , O 2 , N 2 O, CH 4 and air. 4 . The electrical apparatus according to claim 1 , wherein the sealing member comprises at least one selected from the group consisting of the hydrogenated nitrile rubber, the vinylidene fluoride based fluororubber, the tetrafluoroethylene-perfluorovinylether based rubber and the polytetrafluoroethylene. 5 . A filling apparatus for filling an insulating arc-extinguishing gas into the grounded tank of the electrical apparatus according to claim 1 , wherein: the insulating arc-extinguishing gas is confined in the filling apparatus by a sealing member; the insulating arc-extinguishing gas comprises at least one selected from the group consisting of a hydrofluoroolefin having 3 or 4 carbon atoms and a hydrochlorofluoroolefin having 3 or 4 carbon atoms; and the sealing member comprises at least one selected from the group consisting of an ethylene propylene rubber, an isobutylene-isoprene rubber, a chloroprene rubber, a natural rubber, a nitrile rubber, a hydrogenated nitrile rubber, an urethane rubber, a chlorosulfonated polyethylene rubber, a vinylidene fluoride based fluororubber, a tetrafluoroethylene-perfluorovinylether based rubber and a polytetrafluoroethylene. 6 . The filling apparatus according to claim 5 , wherein the insulating arc-extinguishing gas comprises at least one selected from the group consisting of 1-chloro-2,3,3,3-tetrafluoropropene and 1,1,1,4,4,4-hexafluoro-2-butene. 7 . The filling apparatus according to claim 5 , wherein the insulating arc-extinguishing gas further comprises at least one diluent gas selected from the group consisting of He, Ar, CO 2 , N 2 , O 2 , N 2 O, CH 4 and air. 8 . The filling apparatus according to claim 5 , wherein the sealing member comprises at least one selected from the group consisting of the hydrogenated nitrile rubber, the vinylidene fluoride based fluororubber, the tetrafluoroethylene-perfluorovinylether based rubber and the polytetrafluoroethylene. 9 . A storage apparatus for storing an insulating arc-extinguishing gas to be filled in the grounded tank of the electrical apparatus according to claim 1 , wherein: the insulating arc-extinguishing gas is confined in the storage apparatus by a sealing member; the insulating arc-extinguishing gas comprises at least one selected from the group consisting of a hydrofluoroolefin having 3 or 4 carbon atoms and a hydrochlorofluoroolefin having 3 or 4 carbon atoms; and the sealing member comprises at least one selected from the group consisting of an ethylene propylene rubber, an isobutylene-isoprene rubber, a chloroprene rubber, a natural rubber, a nitrile rubber, a hydrogenated nitrile rubber, an urethane rubber, a chlorosulfonated polyethylene rubber, a vinylidene fluoride based fluororubber, a tetrafluoroethylene-perfluorovinylether based rubber and a polytetrafluoroethylene. 10 . The storage apparatus according to claim 9 , wherein the insulating arc-extinguishing gas comprises at least one selected from the group consisting of 1-chloro-2,3,3,3-tetrafluoropropene and 1,1,1,4,4,4-hexafluoro-2-butene. 11 . The storage apparatus according to claim 9 , wherein the insulating arc-extinguishing gas further comprises at least one diluent gas selected from the group consisting of He, Ar, CO 2 , N 2 , O 2 , N 2 O, CH 4 and air. 12 . The storage apparatus according to claim 9 , wherein the sealing member comprises at least one selected from the group consisting of the hydrogenated nitrile rubber, the vinylidene fluoride based fluororubber, the tetrafluoroethylene-perfluorovinylether based rubber and the polytetrafluoroethylene.
Assignees
Inventors
Classifications
Selection of fluids for arc-extinguishing · CPC title
Avoiding the use of SF6 · CPC title
sealed · CPC title
- H01H33/56Primary
Gas reservoirs · CPC title
Apparatus or processes specially adapted for the manufacture of electric switches (processes specially adapted for manufacture of rectilinearly movable switches having a plurality of operating members associated with different sets of contacts, e.g. keyboards, H01H13/88) · CPC title
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- What does patent US2023326693A1 cover?
- An electrical apparatus have a grounded tank with a conductor at an inside thereof, in which: the inside of the grounded tank is filled with insulating arc-extinguishing gas; the insulating arc-extinguishing gas is confined in the grounded tank by a sealing member; the insulating arc-extinguishing gas includes at least one selected from the group consisting of a hydrofluoroolefin h…
- Who is the assignee on this patent?
- Agc Inc
- What technology area does this patent fall under?
- Primary CPC classification H01H33/56. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Oct 12 2023 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).