Patents by Inventor Tom-Rune Bjortuft
Tom-Rune Bjortuft 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: 9466955Abstract: A knife switch including an operator device for moving a contact knife between a first open position and a second position in electrical contact with a contact element. A free end of the contact knife provided with a dynamic electric field control device including an electrically conductive element. A switching device including a two-position switch including an at least partly electrically conductive housing, a three-position switch including the knife switch for connecting the two-position switch to a first electric conductor, wherein the at least partially electrically conductive housing is connected to a second electric conductor. A switchgear including switching devices.Type: GrantFiled: March 28, 2013Date of Patent: October 11, 2016Assignee: ABB Schweiz AGInventors: Magne Saxegaard, Ståle Talmo, Stanley Lohne, Thor Endre, Tom-Rune Bjortuft
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Patent number: 9425006Abstract: A switch assembly including a vacuum switch mounted to an at least partly electrically conductive housing, and a holder for a vacuum bottle. The housing includes at least one gas entry opening at a lower end of the housing and at least one gas exit opening at an upper end of the housing, and a first free heat convection path between the openings to provide cooling. A second free heat convection path may be provided in a free space between the holder and vacuum bottle. A switching device for connecting the vacuum switch to a second electric conductor. An electric power distribution switchgear, encapsulating at least one three-phase module including a switching device.Type: GrantFiled: March 28, 2013Date of Patent: August 23, 2016Assignee: ABB Technology LtdInventors: Elham Attar, Ståle Talmo, Thor Endre, Tom-Rune Bjortuft
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Patent number: 9362061Abstract: A switching device including a breaker electrically connectable to an electrical conductor, and an at least partially electrically conductive housing to which the breaker is mounted, the housing having an outer surface. The breaker includes an electrically conductive first contact and an electrically conductive second contact, the second contact being movable and in relation to the first contact and in relation to the housing, and when the first and second contacts are in contact the breaker is in a closed position, and when the first and second contacts are separated the breaker is in an open position. The switching device is arranged to provide a current path between the breaker and the electrical conductor, and the housing houses a guiding member for operating the second contact, the guiding member being movable in relation to the housing, wherein the guiding member includes a biasing assembly.Type: GrantFiled: December 16, 2013Date of Patent: June 7, 2016Assignee: ABB Technology AGInventors: Thor Endre, Tom-Rune Bjortuft, Paal Kristian Skryten, Havard Hadland, John-Anders Tveten, Stanley Lohne, Jan-Arild Zinke, Robert Espeseth
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Publication number: 20160064171Abstract: A switch assembly including a vacuum switch mounted to an at least partly electrically conductive housing, and a holder for a vacuum bottle. The housing includes at least one gas entry opening at a lower end of the housing and at least one gas exit opening at an upper end of the housing, and a first free heat convection path between the openings to provide cooling. A second free heat convection path may be provided in a free space between the holder and vacuum bottle. A switching device for connecting the vacuum switch to a second electric conductor. An electric power distribution switchgear, encapsulating at least one three-phase module including a switching device.Type: ApplicationFiled: March 28, 2013Publication date: March 3, 2016Inventors: Elham Attar, Ståle Talmo, Thor Endre, Tom-Rune Bjortuft
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Publication number: 20160049775Abstract: A knife switch including an operator device for moving a contact knife between a first open position and a second position in electrical contact with a contact element. A free end of the contact knife provided with a dynamic electric field control device including an electrically conductive element. A switching device including a two-position switch including an at least partly electrically conductive housing, a three-position switch including the knife switch for connecting the two-position switch to a first electric conductor, wherein the at least partially electrically conductive housing is connected to a second electric conductor. A switchgear including switching devices.Type: ApplicationFiled: March 28, 2013Publication date: February 18, 2016Inventors: Magne Saxegaard, Ståle Talmo, Stanley Lohne, Thor Endre, Tom-Rune Bjortuft
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Patent number: 8969748Abstract: A switch device including a bus bar, and a switch knife, wherein the knife is arranged so as to pivot around an axis perpendicular to a longitudinal axis of the bus bar. The bus bar presents a projection which is an integrated part of the bus bar, and the knife is pivotable to a first position, in which it directly contacts said projection, and to a second position in which it is removed from contact with said projection.Type: GrantFiled: April 27, 2011Date of Patent: March 3, 2015Assignee: ABB Research Ltd.Inventors: Thor Endre, Tom-Rune Bjortuft, Robert Espeseth, Leif Lundin, Paal Kristian Skryten
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Publication number: 20140104758Abstract: A switching device for electric power distribution, includes a breaker that is electrically connectable to a conductor, and an electrically conductive housing to which the breaker is mounted. The device provides a current path between the breaker and the conductor. The housing houses at least one guiding member for operating the breaker and a first part of the current path, the first part being electrically connected to the breaker. The device also includes a switch for electrically connecting the breaker to the conductor, the switch having a switch element movable to a first position where the switch element is connected to the first part and the conductor, movable to a second position where the switch element is disconnected from the conductor and connected to the first part and a grounded element, and movable to a third position where the switch element is disconnected from the conductor and the grounded element.Type: ApplicationFiled: December 16, 2013Publication date: April 17, 2014Inventors: Tom-Rune Bjortuft, Thor Endre, Paal Kristian Skryten, Havard Hadland, John-Anders Tveten, Stanley Lohne
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Publication number: 20140097069Abstract: A switching device including a breaker electrically connectable to an electrical conductor, and an at least partially electrically conductive housing to which the breaker is mounted, the housing having an outer surface. The breaker includes an electrically conductive first contact and an electrically conductive second contact, the second contact being movable and in relation to the first contact and in relation to the housing, and when the first and second contacts are in contact the breaker is in a closed position, and when the first and second contacts are separated the breaker is in an open position. The switching device is arranged to provide a current path between the breaker and the electrical conductor, and the housing houses a guiding member for operating the second contact, the guiding member being movable in relation to the housing, wherein the guiding member includes a biasing assembly.Type: ApplicationFiled: December 16, 2013Publication date: April 10, 2014Inventors: Thor Endre, Tom-Rune Bjortuft, Paal Kristian Skryten, Havard Hadland, John-Anders Tveten, Stanley Lohne
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Patent number: 8366484Abstract: A device for electric connection to an energy supply conductor for medium and/or high voltage having a voltage-carrying element with an outer periphery, and a tubular outer shell with an inner periphery, the outer shell being formed by a polymer, and along at least a part of the axial extension of the element the outer shell extends axially with a space between its inner periphery and the outer periphery of the element, at least along a section of said part of the axial extension of the element the space is filled with a filler of an electrically insulating material other than that of the outer shell. An electric installation including the device, and a method for producing the device.Type: GrantFiled: January 13, 2012Date of Patent: February 5, 2013Assignee: ABB Research Ltd.Inventors: Alessandro Mattozzi, Patrik Roseen, Robert Espeseth, Gunn-Kristin Sonsteby, Paal Kristian Skryten, Ole Granhaug, Thor Endre, Tom-Rune Bjortuft, Dariusz Bednarowski, Lukasz Malinowski
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Patent number: 8295034Abstract: An electric power distribution arrangement having an electric conductor for carrying a high voltage, a first pair of bodies provided on opposite sides of the conductor as seen in a first direction cross-wise to a longitudinal axis of the conductor, and a second pair of bodies provided on opposite sides of the conductor as seen in a second direction cross-wise to the longitudinal axis. The bodies of the first and second pair of bodies are arranged to be electrically disconnected from the conductor, and the spacing between the bodies of the first pair is larger than the spacing between the bodies of the second pair. At least one of the bodies of at least one of the first and second pair comprises a second current conductor, and at least one of the bodies of at least one of the first and second pair comprises a wall element of an encapsulation inside which the conductor is arranged.Type: GrantFiled: April 27, 2011Date of Patent: October 23, 2012Assignee: ABB Technology AGInventors: Paal Kristian Skryten, Tom-Rune Bjortuft, Magne Runde, Thor Endre
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Publication number: 20120178293Abstract: A device for electric connection to an energy supply conductor for medium and/or high voltage having a voltage-carrying element with an outer periphery, and a tubular outer shell with an inner periphery, the outer shell being formed by a polymer, and along at least a part of the axial extension of the element the outer shell extends axially with a space between its inner periphery and the outer periphery of the element, at least along a section of said part of the axial extension of the element the space is filled with a filler of an electrically insulating material other than that of the outer shell. An electric installation including the device, and a method for producing the device.Type: ApplicationFiled: January 13, 2012Publication date: July 12, 2012Inventors: Alessandro Mattozzi, Patrick Roseen, Robert Espeseth, Gunn-Kristin Sonsteby, Paal Kristian Skryten, Ole Granhaug, Thor Endre, Tom-Rune Bjortuft, Dariusz Bednarowski, Lukasz Malinowski
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Patent number: 8134089Abstract: A device for electric connection to an energy supply conductor for medium and high voltage, including: a voltage-carrying element; a tubular outer shell formed by a thermoplastic polymer and connected to the voltage carrying element; wherein the voltage-carrying element extends in a longitudinal direction of the tubular shell, and wherein, at least along a part of the length of the voltage-carrying element, the outer shell extends in a longitudinal direction with a space between its inner periphery and an outer periphery of the voltage-carrying element; the outer shell being provided with an outer contact surface to be connected to a wall of a gas-tight container somewhere along the part of the length of the voltage-carrying element; wherein the outer shell is arranged so as to separate said space from an atmosphere outside a container to which the device may be connected.Type: GrantFiled: April 12, 2010Date of Patent: March 13, 2012Assignee: ABB Research Ltd.Inventors: Patrik Roseen, Paal Kristian Skryten, Tom-Rune Bjortuft, Ole Granhaug, Robert Espeseth
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Publication number: 20110226528Abstract: A switch device including a bus bar, and a switch knife, wherein the knife is arranged so as to pivot around an axis perpendicular to a longitudinal axis of the bus bar. The bus bar presents a projection which is an integrated part of the bus bar, and the knife is pivotable to a first position, in which it directly contacts said projection, and to a second position in which it is removed from contact with said projection.Type: ApplicationFiled: April 27, 2011Publication date: September 22, 2011Inventors: Thor Endre, Tom-Rune Bjortuft, Robert Espeseth, Leif Lundin, Paal Kristian Skryten
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Publication number: 20110199717Abstract: An electric power distribution arrangement having an electric conductor for carrying a high voltage, a first pair of bodies provided on opposite sides of the conductor as seen in a first direction cross-wise to a longitudinal axis of the conductor, and a second pair of bodies provided on opposite sides of the conductor as seen in a second direction cross-wise to the longitudinal axis. The bodies of the first and second pair of bodies are arranged to be electrically disconnected from the conductor, and the spacing between the bodies of the first pair is larger than the spacing between the bodies of the second pair. At least one of the bodies of at least one of the first and second pair comprises a second current conductor, and at least one of the bodies of at least one of the first and second pair comprises a wall element of an encapsulation inside which the conductor is arranged.Type: ApplicationFiled: April 27, 2011Publication date: August 18, 2011Inventors: Paal Kristian Skryten, Tom-Rune Bjortuft, Magne Runde, Thor Endre
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Publication number: 20100284133Abstract: A method of producing an electric power device including a tubular shell of an electrically insulating polymer in which there is provided a screen of an electrically conducting material, wherein the screen is placed in a mould, the mould is filled with a resin, and the resin is permitted to solidify in the mould. The screen is positioned in the mould such that a peripheral surface thereof is in supporting contact with a part of the mould.Type: ApplicationFiled: May 21, 2010Publication date: November 11, 2010Inventors: Paal Kristian Skryten, Tom-Rune Bjortuft, Robert Espeseth, Ole Granhaug
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Publication number: 20100258347Abstract: A device for electric connection to an energy supply conductor for medium and high voltage, including: a voltage-carrying element; a tubular outer shell formed by a thermoplastic polymer and connected to the voltage carrying element; wherein the voltage-carrying element extends in a longitudinal direction of the tubular shell, and wherein, at least along a part of the length of the voltage-carrying element, the outer shell extends in a longitudinal direction with a space between its inner periphery and an outer periphery of the voltage-carrying element; the outer shell being provided with an outer contact surface to be connected to a wall of a gas-tight container somewhere along the part of the length of the voltage-carrying element; wherein the outer shell is arranged so as to separate said space from an atmosphere outside a container to which the device may be connected.Type: ApplicationFiled: April 12, 2010Publication date: October 14, 2010Inventors: Patrik Roseen, Pal Skryten, Tom-Rune Bjortuft, Ole Granhaug, Robert Espeseth
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Patent number: D730846Type: GrantFiled: March 14, 2014Date of Patent: June 2, 2015Assignee: ABB Technology Ltd.Inventors: Tom-Rune Bjortuft, Stanley Lohne, Paal Kristian Skryten, Stale Talmo, John-Anders Tveten, Richard Lauritzen
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Patent number: D690263Type: GrantFiled: December 14, 2011Date of Patent: September 24, 2013Assignee: ABB Technology AGInventors: Stanley Lohne, Havard Hadland, Thor Endre, Tom-Rune Bjortuft, Paal Kristian Skryten, John-Anders Tveten
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Patent number: D690264Type: GrantFiled: December 14, 2011Date of Patent: September 24, 2013Assignee: ABB Technology AGInventors: Stanley Lohne, Havard Hadland, Thor Endre, Tom-Rune Bjortuft, Paal Kristian Skryten, John-Anders Tveten