Patents by Inventor Xavier Kornmann
Xavier Kornmann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11972913Abstract: A disconnector device is connectable to pole-mounted equipment in a power grid. The disconnector device is activated in case of an overload condition, thereby disconnecting the pole-mounted equipment. The disconnector device comprises a passive radio device to be enabled via an incoming radio signal. The passive radio device, upon being enabled, transmits, in at least one state of the disconnector device, an indicator radio signal indicative of the respective state of the disconnector device, the state being one of an activated state and a deactivated state of the disconnector device.Type: GrantFiled: April 9, 2019Date of Patent: April 30, 2024Assignee: HITACHI ENERGY LTDInventors: Yannick Maret, Alexander Fach, Gian-Luigi Madonna, Xavier Kornmann, Stefano Bertoli, Ektor Sotiropoulos, Daniel Neeser, Martin Schick-Pauli
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Patent number: 11777303Abstract: Disclosed is a leakage current measuring device for a grid protection system protecting a power distribution or transmission grid from damage in case of a power surge, the grid protection system including a disconnector device and a surge arrester connected in series along a grounding path, the grounding path connecting a phase of a power distribution or transmission grid through the surge arrester and the disconnector device to ground, the disconnector device being configured for being activated in case of an overload condition, thereby disconnecting the surge arrester. The leakage current measuring device includes a leakage current sensor for measuring a leakage current IL flowing along the grounding path, the leakage current IL being indicative of the electrical connection status of the disconnector device. The electrical connection status is one of an activated and an inactivated status of the disconnector device.Type: GrantFiled: March 11, 2019Date of Patent: October 3, 2023Assignee: HITACHI ENERGY SWITZERLAND AGInventors: Gian-Luigi Madonna, Xavier Kornmann, Daniel Neeser, Stefano Bertoli, Ektor Sotiropoulos, Martin Schick-Pauli, Alexander Fach, Philipp Sommer, Yannick Maret
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Patent number: 11588318Abstract: A device, a method and a system for monitoring an electrical connection status of a disconnector device are disclosed. The disconnector device is connectable to pole-mounted equipment in a power distribution or transmission grid, thereby disconnecting the pole-mounted equipment. The connection status monitoring device includes a determining section configured to determine whether the disconnector device has been activated and to generate connection status indicator data, indicative of whether the disconnector device has been activated. The determining section further includes a wireless communication section which is adapted to connect to a wireless communication infrastructure using a wireless communication protocol, and to transmit the connection status indicator data over the wireless communication infrastructure.Type: GrantFiled: March 11, 2019Date of Patent: February 21, 2023Assignee: Hitachi Energy Switzerland AGInventors: Philipp Sommer, Xavier Kornmann, Daniel Neeser, Stefano Bertoli, Ektor Sotiropoulos, Martin Schick-Pauli, Gian-Luigi Madonna, Alexander Fach, Yannick Maret
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Publication number: 20220200333Abstract: A monitoring system for remotely monitoring a state of pole-mounted equipment in a power distribution or transmission grid is provided. The pole-mounted equipment includes an indicator device configured to present state information indicative of a state of the pole-mounted equipment. The monitoring system includes a status monitoring device movable via a drive or propulsion system. The status monitoring device is configured to obtain the state information from the indicator device when located within a communication range of the indicator device.Type: ApplicationFiled: April 9, 2019Publication date: June 23, 2022Inventors: Yannick Maret, Xavier Kornmann, Daniel Neeser, Stefano Bertoli, Ektor Sotiropoulos, Martin Schick-Pauli, Gian-Luigi Madonna, Philipp Sommer, Alexander Fach
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Publication number: 20220190589Abstract: A device, a method and a system for monitoring an electrical connection status of a disconnector device (110). The disconnector device (110) being connectable to pole-mounted equipment in a power distribution or transmission grid (200), thereby disconnecting the pole-mounted equipment. The connection status monitoring device (100) comprises a determining section (130) configured to determine whether the disconnector device (110) has been activated and to generate connection status indicator data, indicative of whether the disconnector device (100, 110) has been activated. The determining section (130) further comprises a wireless communication section (140) which is adapted to connect to a wireless communication infrastructure (150) using a wireless communication protocol, and to transmit the connection status indicator data over the wireless communication infrastructure (150).Type: ApplicationFiled: March 11, 2019Publication date: June 16, 2022Inventors: Philipp Sommer, Xavier Kornmann, Daniel Neeser, Stefano Bertoli, Ektor Sotiropoulos, Martin Schick-Pauli, Gian-Luigi Madonna, Alexander Fach, Yannick Maret
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Publication number: 20220165521Abstract: A disconnector device is connectable to pole-mounted equipment in a power grid. The disconnector device is activated in case of an overload condition, thereby disconnecting the pole-mounted equipment. The disconnector device comprises a passive radio device to be enabled via an incoming radio signal. The passive radio device, upon being enabled, transmits, in at least one state of the disconnector device, an indicator radio signal indicative of the respective state of the disconnector device, the state being one of an activated state and a deactivated state of the disconnector device.Type: ApplicationFiled: April 9, 2019Publication date: May 26, 2022Inventors: Yannick Maret, Alexander Fach, Gian-Luigi Madonna, Xavier Kornmann, Stefano Bertoli, Ektor Sotiropoulos, Daniel Neeser, Martin Schick-Pauli
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Publication number: 20220149611Abstract: Disclosed is a leakage current measuring device for a grid protection system protecting a power distribution or transmission grid from damage in case of a power surge, the grid protection system including a disconnector device and a surge arrester connected in series along a grounding path, the grounding path connecting a phase of a power distribution or transmission grid through the surge arrester and the disconnector device to ground, the disconnector device being configured for being activated in case of an overload condition, thereby disconnecting the surge arrester. The leakage current measuring device includes a leakage current sensor for measuring a leakage current IL flowing along the grounding path, the leakage current IL being indicative of the electrical connection status of the disconnector device. The electrical connection status is one of an activated and an inactivated status of the disconnector device.Type: ApplicationFiled: March 11, 2019Publication date: May 12, 2022Inventors: Gian-Luigi Madonna, Xavier Kornmann, Daniel Neeser, Stefano Bertoli, Ektor Sotiropoulos, Martin Schick-Pauli, Alexander Fach, Philipp Sommer, Yannick Maret
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Patent number: 10250021Abstract: A high-voltage DC cable joint including a multi-wall layered construction having individual concentrically arranged layers. The joint includes, from inside to outside, an inner conductive rubber layer, a field grading rubber layer made from a predetermined tailored formulation, an insulating rubber layer and an outer conductive rubber layer. The field grading rubber layer separates and interconnects the conductive rubber layers, and wherein the rubber layers are cross-linked by a by-product-free manufacturing method. The cable joint is preferably made from platinum cured rubbers by moulding process steps. In a preferred embodiment the cable joint is made by injection moulding.Type: GrantFiled: November 17, 2015Date of Patent: April 2, 2019Assignee: NKT HV Cables GmbHInventors: Patrick Meier, Spiros Tzavalas, Thomas Christen, Alexey Sokolov, Jan Van-Loon, Xavier Kornmann
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Publication number: 20180006439Abstract: A high-voltage DC cable joint including a multi-wall layered construction having individual concentrically arranged layers. The joint includes, from inside to outside, an inner conductive rubber layer, a field grading rubber layer made from a predetermined tailored formulation, an insulating rubber layer and an outer conductive rubber layer. The field grading rubber layer separates and interconnects the conductive rubber layers, and wherein the rubber layers are cross-linked by a by-product-free manufacturing method. The cable joint is preferably made from platinum cured rubbers by moulding process steps. In a preferred embodiment the cable joint is made by injection moulding.Type: ApplicationFiled: November 17, 2015Publication date: January 4, 2018Inventors: Patrick MEIER, Spiros TZAVALAS, Thomas CHRISTEN, Alexey SOKOLOV, Jan VAN-LOON, Xavier KORNMANN
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Patent number: 9764353Abstract: A method of producing a layer of a UV-cured silicone rubber composition on a substrate surface, including applying a primer composition to the substrate surface and hardening the primer composition followed by applying a UV-curable silicone rubber composition, and UV-curing the curable silicone rubber composition. At least one UV-sensitive crosslinking catalyst selected from compounds which initiate and promote curing of UV-curable silicone rubber compositions, is added to the silicone primer composition in any desired sequence before, during or after hardening of the silicone primer composition.Type: GrantFiled: March 29, 2013Date of Patent: September 19, 2017Assignee: ABB Research Ltd.Inventors: Jan Van Loon, Marco Schneider, Patrick Meier, Xavier Kornmann
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Patent number: 9238313Abstract: A mold for molding a UV cured article in an inner volume thereof, the mold including a mold wall surrounding the inner volume, the mold including a UV-transparent polymer and UV radiation deflecting particles immersed in or adhered to a surface of the mold wall. Also provided is an apparatus including the mold and a process for molding a UV cured article.Type: GrantFiled: November 26, 2012Date of Patent: January 19, 2016Assignee: ABB RESEARCH LTDInventors: Marco Schneider, Patrick Meier, Xavier Kornmann
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Publication number: 20150357804Abstract: A tubular electrical insulation device for a cable is arranged for receiving a plurality of electrical conductors segments by insertion. The insulation device is flexible and includes an inner circumferential electrically conductive layer for establishing an electric contact to the electrical conductors once inserted into the tubular electrical insulation device. A high voltage power cable arrangement includes a plurality of elongated electrical conductor segments arranged to be placed alongside one another and in electrical contact to one another to form an inner electrical conductor of a high voltage power cable, and an elongated tubular electrical insulation device arranged to house and surround the inner electrical conductor. A method for providing a flexible insulated high voltage power cable includes the step of assembling a plurality of elongated electrical conductor segments and an electrical insulation device on site to form the cable.Type: ApplicationFiled: February 7, 2014Publication date: December 10, 2015Applicant: ABB TECHNOLOGY LTDInventors: Nikolaus ZANT, Jens ROCKS, Chau-Hon HO, Alexandre OUDALOV, Robin GREMAUD, Xavier KORNMANN, Patrik KAUFMANN, Lorenz HERRMANN, Emmanuel LOGAKIS, Marco SCHNEIDER
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Patent number: 8717732Abstract: A high voltage surge arrester, including a varistor element arranged so as to be connected to a high voltage source and to carry a high voltage when being positioned in its operative position, and an electric insulator that encloses and is in contact with the varistor element and forms an outer surface of the apparatus, wherein the electric insulator includes a silicone-based rubber. The silicone based rubber includes particles chosen from the group consisting of Al2O3, BN and ZnO, to such an extent that the thermal conductivity of the silicone-based rubber is equal to or above 0.8 W/mK.Type: GrantFiled: June 4, 2012Date of Patent: May 6, 2014Assignee: ABB Research Ltd.Inventors: Lennart Stenström, Linnea Petersson, Xavier Kornmann, Henrik Hillborg
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Publication number: 20130288062Abstract: A method of producing a layer of a UV-cured silicone rubber composition on a substrate surface, including applying a primer composition to the substrate surface and hardening the primer composition followed by applying a UV-curable silicone rubber composition, and UV-curing the curable silicone rubber composition. At least one UV-sensitive crosslinking catalyst selected from compounds which initiate and promote curing of UV-curable silicone rubber compositions, is added to the silicone primer composition in any desired sequence before, during or after hardening of the silicone primer composition.Type: ApplicationFiled: March 29, 2013Publication date: October 31, 2013Inventors: Jan VAN LOON, Marco SCHNEIDER, Patrick MEIER, Xavier KORNMANN
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Publication number: 20130203897Abstract: Electrical insulation system with improved electrical breakdown strength, including a hardened polymer component having incorporated therein a filler material and a nano-scale sized filler material. The hardened polymer component is selected from epoxy resin compositions, polyesters, polyamides, polybutylene terephthalate, polyurethanes and polydicyclo-pentadiene. The filler material has an average particle size within the range of 1 ?m-500 ?m, and is present in a quantity within the range of 40%-65% by weight, calculated to the total weight of the insulation system. The nano-scale sized filler material is a pretreated nano-scale sized filler material, having been produced by a sol-gel process. The nano-scale sized filler material is present within the electrical insulation system in an amount of about 1%-20% by weight, calculated to the weight of the filler material present in the electrical insulation system.Type: ApplicationFiled: August 3, 2012Publication date: August 8, 2013Applicant: ABB RESEARCH LTDInventors: Xavier KORNMANN, Lars E. Schmidt, Andrej Krivda, Felix Greuter, Martin Carlen
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Patent number: 8399577Abstract: A curable epoxy resin composition including at least an epoxy resin component and a hardener component, and optionally further additives, wherein: (a) the epoxy resin component is an epoxy resin compound or a mixture of such compounds; (b) the hardener component includes (b1) an aliphatic and cycloaliphatic or aromatic polycarbonic acid anhydride; and (b2) a polyether-amine of the general formula (I), H2N—(CnH2n—O)m—CnH2n—NH2, wherein n is an integer from 2 to 8; and m is from about 3 to about 100; (c) the polycarbonic acid anhydride [component (b1)] is present in the curable epoxy resin composition in a concentration of 0.60 Mol to 0.93 Mol; and (d) the polyether-amine of the general formula (I) [component (b2)] is present in the curable epoxy resin composition in a concentration of about 0.02 Mol to about 0.1 Mol.Type: GrantFiled: February 24, 2012Date of Patent: March 19, 2013Assignee: ABB Research LtdInventors: Bandeep Singh, Stéphane Schaal, Xavier Kornmann, Prateek Puri
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Publication number: 20120250207Abstract: A high voltage surge arrester, including a varistor element arranged so as to be connected to a high voltage source and to carry a high voltage when being positioned in its operative position, and an electric insulator that encloses and is in contact with the varistor element and forms an outer surface of the apparatus, wherein the electric insulator includes a silicone-based rubber. The silicone based rubber includes particles chosen from the group consisting of Al2O3, BN and ZnO, to such an extent that the thermal conductivity of the silicone-based rubber is equal to or above 0.8 W/mK.Type: ApplicationFiled: June 4, 2012Publication date: October 4, 2012Inventors: Lennart Stenström, Linnea Petersson, Xavier Kornmann, Henrik Hillborg
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Publication number: 20120202918Abstract: A curable epoxy resin composition including at least an epoxy resin component and a hardener component, and optionally further additives, wherein: (a) the epoxy resin component is an epoxy resin compound or a mixture of such compounds; (b) the hardener component includes (b1) an aliphatic and cycloaliphatic or aromatic polycarbonic acid anhydride; and (b2) a polyether-amine of the general formula (I), H2N—(CnH2n—O)m—CnH2n—NH2, wherein n is an integer from 2 to 8; and m is from about 3 to about 100; (c) the polycarbonic acid anhydride [component (b1)] is present in the curable epoxy resin composition in a concentration of 0.60 Mol to 0.93 Mol; and (d) the polyether-amine of the general formula (I) [component (b2)] is present in the curable epoxy resin composition in a concentration of about 0.02 Mol to about 0.1 Mol.Type: ApplicationFiled: February 24, 2012Publication date: August 9, 2012Applicant: ABB RESEARCH LTDInventors: Bandeep SINGH, Stéphane Schaal, Xavier Kornmann, Prateek Puri
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Publication number: 20120111605Abstract: Curable sol-gel composition useful for modifying the surface of a conventional electrical insulation system and providing said surface with an improved tracking and erosion resistance, wherein said sol-gel composition includes: (a) cyclo-aliphatic epoxy resin compound containing at least two 1,2-epoxy groups per molecule [component (a)]; (b) a glycidoxypropane-tri(C1-4)alkoxysilane [component (b)]; (c) a gamma-aminopropyl-tri(C1-4)alkoxysilane [component (c)]; (d) a mineral filler material [component (d)]; and (e) a hydrophobic compound [component (e)] or a mixture of such hydrophobic compounds being selected from fluorinated or chlorinated hydrocarbons or organopolysiloxanes.Type: ApplicationFiled: November 4, 2011Publication date: May 10, 2012Applicant: ABB RESEARCH LTD.Inventors: Spiros TZAVALAS, Bandeep SINGH, Xavier KORNMANN
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Patent number: 7981955Abstract: Electrical insulation system, which optionally contains a filler material and/or further additives, wherein said electrical insulation system comprises poly(dicyclopentadiene) as the main component, and method of making said electrical insulation system.Type: GrantFiled: May 2, 2008Date of Patent: July 19, 2011Assignee: ABB Research LtdInventors: Kurt Kaltenegger, Xavier Kornmann, Jens Rocks, Reto Weder