| Patent application number | Description | Published |
|---|
| 20100102035 | POWER LINE CURRENT INTERRUPTER HAVING A VACUUM SWITCH CHAMBER - This interrupter device includes a parallel branch ( | 04-29-2010 |
| 20120228264 | USE OF SPECIFIC COMPOSITE MATERIALS AS ELECTRIC ARC EXTINCTION MATERIALS IN ELECTRICAL EQUIPMENT - The present invention provides the use of a composite material comprising a polymeric matrix and at least one metal fluoride filler selected from the cerium fluorides CeF | 09-13-2012 |
| 20130215555 | SWITCHGEAR FOR BREAKING A MEDIUM-OR HIGH-VOLTAGE ELECTRIC CURRENT AND A MANUFACTURING METHOD THEREFOR - The present invention relates to switchgear for breaking a medium- or high-voltage electric current, which switchgear comprises a leaktight enclosure in which electrical components are found as well as a gaseous medium for extinguishing the electric arcs likely to occur in said enclosure, and which switchgear is characterized in that: the gaseous medium comprises at least one fluoroketone alone or in a mixture with at least one gas that does not form part of the fluoroketone family; the fluoroketone is present in the enclosure in part in the liquid state and in part in the gaseous state; and in that the enclosure further comprises means for absorbing molecular species that form after the ionization experienced by said fluoroketone during arcing. The invention also relates to a method of manufacturing said switchgear. | 08-22-2013 |
| 20140083737 | ELECTRICAL APPARATUS HAVING A GAS INSULATION CONTAINING A FLUORINATED COMPOUND - An electrical apparatus for a medium- to high-voltage current transport line having a gas insulation including: a sealed housing filled with an electrically insulating gas including at least one fluorinated compound such as a fluoroketone, at least one electrical component arranged inside the inner space of the housing, and a mechanism regulating an amount of the fluorinated compound inside the inner space of the housing. The regulating mechanism includes a heater, heating a liquid resulting from condensation of the fluorinated product present in the insulating gas, to cause at least a portion of the liquid to vaporize. | 03-27-2014 |
| 20140190726 | MIXTURE OF DECAFLUORO-2-METHYLBUTAN-3-ONE AND A CARRIER GAS AS A MEDIUM FOR ELECTRICAL INSULATION AND/OR FOR ELECTRIC ARC EXTINCTION IN MEDIUM-VOLTAGE - The invention relates to the use of a mixture comprising decafluoro-2-methylbutan-3-one and a carrier gas or dilution gas as a medium for electrical insulation and/or for extinction of electric arcs in a medium- or high-voltage electrical device. | 07-10-2014 |
| 20140196932 | USE OF A MIXTURE COMPRISING A HYDROFLUOROOLEFIN AS A MEDIUM-VOLTAGE ARC-EXTINGUISHING AND/OR INSULATING GAS AND MEDIUM-VOLTAGE ELECTRICAL DEVICE COMPRISING SAME - The invention relates to the use of a mixture comprising a hydrofluoroolefin, possibly associated with a dilution gas, as a gaseous electrical insulation and/or electrical arc extinguishing medium in substation medium-voltage electrical device. | 07-17-2014 |
| 20140233159 | MIXTURE OF HYDROFLUOROOLEFIN AND FLUOROKETONE FOR USE AS AN INSULATION AND/OR ARC EXTINGUISHING MEDIUM AND A GAS INSULATED MEDIUM-VOLTAGE ELECTRICAL DEVICE COMPRISING SAME - The invention relates to the use of a mixture comprising a hydrofluoroolefin and a fluoroketone, optionally associated with a dilution gas, as an electric insulating and/or electric arc extinguishing medium in a medium-voltage electrical device. | 08-21-2014 |
| 20140346145 | MIXTURE OF HYDROFLUOROOLEFINE AND HYDROFLUOROCARBIDE TO IMPROVE THE INTERNAL ARC RESISTANCE IN MEDIUM AND HIGH VOLTAGE ELECTRIC APPARATUS - The invention relates to the use of a mixture of a hydrofluoroolefin and a hydrofluorocarbon, optionally combined with another fluorinated gas, as an electrical insulation medium and/or an electric arc extinguishing medium in a medium-voltage electrical apparatus. The invention also relates to a medium- or high-voltage electrical apparatus in which such a mixture provides electrical insulation and/or electric arc extinguishing. | 11-27-2014 |
