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1. WO2017093503 - METHODS FOR DIELECTRICALLY INSULATING ELECTRICAL ACTIVE PARTS

Примечание: Текст, основанный на автоматизированных процессах оптического распознавания знаков. Для юридических целей просьба использовать вариант в формате PDF

C L A I M S

1. A method for dielectrically insulating an electrical active part wherein the electrical active part is arranged in a gas-tight housing comprising an insulating medium consisting of, consisting essentially of, or comprising a compound of general formula (I):

R-(0)m-S(0)nF (I)

wherein n is 0, 1, or 2; m is 1 or 2; and R is hydrogen, alkyl, alkenyl, alkylyne, aryl, fluoro substituted alkyl, fluoro substituted alkenyl, fluoro substituted alkynylor fluoro substituted aryl.

2. The method according to claim 1 wherein n is 2.

3. The method according to claim 1 or 2 wherein R is

fluoro substituted alkyl.

4. The method according to claim 3 wherein R is CF3.

5. The method according to any of the claims 1 to 4 wherein m is 1.

6. The method according to claim 1 wherein the compound is trimethyl sulfofluoridate CF3-0-S02-F.

7. A composition consisting of, consisting essentially of, or comprising at least one compound of general formula (I)

R-(0)m-S(0)nF (I)

wherein n is 0, 1, or 2; m is 1 or 2; and R is hydrogen, alkyl, alkenyl, alkylyne, aryl, fluoro substituted alkyl, fluoro substituted alkenyl, fluoro substituted alkynylor fluoro substituted aryl and at least one further compound selected from the group consisting of an inert gas, a perfluorinated or partially fluorinated ketone, a perfluorinated or partially fluorinated ether, a perfluorinated or partially fluorinated ester, a perfluorinated or partially fluorinated cyano compound and a hydrocarbon compound.

8. The composition according to claim 7 consisting of, consisting essentially of, or comprising CF3-0-S02-F and at least one compound selected

from the group consisting of an inert gas, a perfluorinated or partially fluorinated ketone, a perfluorinated or partially fluorinated ether, a perfluorinated or partially fluorinated ester, a perfluorinated or partially fluorinated cyano compound and a hydrocarbon compound.

9. The composition of claim 8 consisting of, consisting essentially of, or comprising CF3-O-SO2-F and at least one compound selected from the group consisting of air, synthetic air, an air component, N2, 02, C02, N20, He, Ne, Ar, Xe or SF6; preferably consisting of, consisting essentially of, or comprising CF3-0-S02-F and N2.

10. An apparatus for the generation, distribution and/or usage of electrical energy wherein the apparatus comprises an electrical active part arranged in a gas-tight housing, said gas-tight housing containing an insulating medium consisting of, consisting essentially of, or comprising at least one compound of general formula (I)

R-(0)m-S(0)nF

(I)

wherein n is 0, 1, or 2; m is 1 or 2; and R is hydrogen, alkyl, alkenyl, alkylyne, aryl, fluoro substituted alkyl, fluoro substituted alkenyl, fluoro substituted alkynylor fluoro substituted aryl;

or containing an insulating medium consisting of, consisting essentially of, or comprising the composition according to any one of claims 7 to 9.

11. The apparatus of claim 10 wherein the insulating medium consists of, consists essentially of, or comprises CF3-0-S02-F.

12. The apparatus of claim 10 or 11 wherein the apparatus is a medium- voltage or high- voltage switchgear.

13. Use of a compound of general formula (I):

R-(0)m-S(0)nF (I)

wherein n is 0, 1, or 2; m is 1 or 2; and R is hydrogen, alkyl, alkenyl, alkylyne, aryl, fluoro substituted alkyl, fluoro substituted alkenyl, fluoro substituted alkynylor fluoro substituted aryl as a dielectric medium to insulate an electrical active part.

14. A compound of general formula (I):

R-(0)m-S(0)nF (I)

wherein n is 0 or 1; m is 1 or 2; and R is fluoro substituted alkyl.