Patents by Inventor Tor Laneryd
Tor Laneryd 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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Publication number: 20240087791Abstract: An electric device includes a tank and a cable box connected to the tank, the tank and the cable box being filled with an insulating liquid electric connection system for connecting a power cable through the cable box to the tank and a current measuring device for measuring electric current in the electric connection system, wherein the current measuring device is located adjacent to a housing of the cable box.Type: ApplicationFiled: December 22, 2021Publication date: March 14, 2024Inventors: Jan Czyzewski, Tor Laneryd, Johan Dahlgren, Sebastian Seier, Nils Lavesson
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Patent number: 11908602Abstract: Provided is a static electric induction arrangement including: a static electric induction device arranged in a static electric induction device tank; an accessory tank including at least one opening configured to receive an accessory therein; the static electric induction device tank and the accessory tank are intended to be filled with dielectric fluid and are connected via a fluid connection, an upper portion of a cross section of the fluid connection, is located at a first height, the arrangement comprises a heat exchanger connected to the device tank, the device tank includes an outlet that is arranged to lead the dielectric fluid to the heat exchanger and an inlet that is arranged to return the dielectric fluid from the heat exchanger.Type: GrantFiled: June 29, 2021Date of Patent: February 20, 2024Assignee: HITACHI ENERGY LTDInventors: Nils Lavesson, Tor Laneryd, Jan Czyzewski, Johan Dahlgren, Sebastian Seier
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Patent number: 11706906Abstract: A subsea power module including: a tank having a tank wall provided with an outwardly protruding corrugation, a power device arranged in the tank, a dielectric liquid which fills the tank, for cooling the power device, a pump configured to circulate the dielectric liquid in the tank, wherein the pump has a pump inlet and a pump outlet, a duct arranged in the corrugation such that a chamber is formed between a tip of the corrugation and the duct, wherein the duct has a duct inlet connected to the pump outlet, and wherein the duct is provided with at least one duct outlet opening into the chamber, and a distancing structure configured to space apart an outer surface of the duct facing the tank wall and the tank wall in the corrugation, whereby gaps are formed between the duct and the tank wall in the corrugation, enabling dielectric liquid that has been discharged through the at least one duct outlet into the chamber to be squeezed out from the chamber and the corrugation, and flow towards the pump inlet.Type: GrantFiled: April 22, 2021Date of Patent: July 18, 2023Assignee: ABB Schweiz AGInventors: Thomas Gradinger, Tor Laneryd
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Publication number: 20230197325Abstract: Provided is a static electric induction arrangement including: a static electric induction device arranged in a static electric induction device tank; an accessory tank including at least one opening configured to receive an accessory therein; the static electric induction device tank and the accessory tank are intended to be filled with dielectric fluid and are connected via a fluid connection, an upper portion of a cross section of the fluid connection, is located at a first height, the arrangement comprises a heat exchanger connected to the device tank, the device tank includes an outlet that is arranged to lead the dielectric fluid to the heat exchanger and an inlet that is arranged to return the dielectric fluid from the heat exchanger.Type: ApplicationFiled: June 29, 2021Publication date: June 22, 2023Applicant: Hitachi Energy Switzerland AGInventors: Nils LAVESSON, Tor LANERYD, Jan CZYZEWSKI, Johan DAHLGREN, Sebastian SEIER
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Publication number: 20230128508Abstract: A subsea power module including: a tank having a tank wall provided with an outwardly protruding corrugation, a power device arranged in the tank, a dielectric liquid which fills the tank, for cooling the power device, a pump configured to circulate the dielectric liquid in the tank, wherein the pump has a pump inlet and a pump outlet, a duct arranged in the corrugation such that a chamber is formed between a tip of the corrugation and the duct, wherein the duct has a duct inlet connected to the pump outlet, and wherein the duct is provided with at least one duct outlet opening into the chamber, and a distancing structure configured to space apart an outer surface of the duct facing the tank wall and the tank wall in the corrugation, whereby gaps are formed between the duct and the tank wall in the corrugation, enabling dielectric liquid that has been discharged through the at least one duct outlet into the chamber to be squeezed out from the chamber and the corrugation, and flow towards the pump inlet.Type: ApplicationFiled: April 22, 2021Publication date: April 27, 2023Inventors: Thomas Gradinger, Tor Laneryd
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Patent number: 11448473Abstract: A heat exchanging arrangement for a subsea electronic system, the heat exchanging arrangement including a wall section; a corrugation formed in the wall section, the corrugation having two generally opposing internal corrugation surfaces; and at least one heat exchanging element forced against at least one of the internal corrugation surfaces. A subsea electronic system including a heat exchanging arrangement is also provided.Type: GrantFiled: April 17, 2020Date of Patent: September 20, 2022Assignee: ABB Schweiz AGInventors: Tor Laneryd, Thomas Gradinger, Thomas Wagner, Heinz Lendenmann
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Publication number: 20220285070Abstract: A sialic electric induction system is provided. The static electric induction system includes a heat generating electric component; a dielectric cooling fluid; a cooling passage structure along the electric component; and a pump arrangement arranged to alternatingly be controlled in a first mode and in a second mode. In the first mode, the pump arrangement pumps the dielectric cooling fluid to be driven through the cooling passage structure in a forward direction to cool the electric component, and in the second mode, the pump arrangement pumps the dielectric cooling fluid to be driven through the cooling passage structure in a reverse direction, opposite to the forward direction, to cool the electric component. A method of controlling a static electric induction system is also provided.Type: ApplicationFiled: September 9, 2020Publication date: September 8, 2022Applicant: Hitachi Energy Switzerland AGInventors: Tor LANERYD, Andreas GUSTAFSSON
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Patent number: 11419241Abstract: A heat exchanging arrangement for a subsea electronic system, the heat exchanging arrangement including: at least one pipe having an external surface; and at least one heat exchanging element arranged inside the at least one pipe and defining at least one internal passage for conducting a dielectric fluid through the at least one pipe; wherein the at least one heat exchanging element is arranged to press laterally outwards against an internal surface of the at least one pipe to establish a heat transfer bond between the at least one heat exchanging element and the at least one pipe. A subsea electronic system including the heat exchanging arrangement is also provided.Type: GrantFiled: April 4, 2018Date of Patent: August 16, 2022Assignee: ABB Schweiz AGInventors: Tor Laneryd, Thomas Gradinger, Heinz Lendenmann, Thomas Wagner, Hui Huang, Kim Missing, Mika Norolampi
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Patent number: 11366025Abstract: A high voltage system including: a high voltage bushing having a bushing body configured to be assembled with a tank filled with a dielectric liquid wherein the bushing body has a cavity, and the bushing includes a dielectric liquid level sensor configured to measure a dielectric liquid level in the cavity, and a temperature distribution determining device configured to determine a heat distribution in the bushing based on the dielectric liquid level measured by the dielectric liquid level sensor.Type: GrantFiled: February 28, 2020Date of Patent: June 21, 2022Assignee: HITACHI ENERGY SWITZERLAND AGInventors: Tor Laneryd, Joachim Schiessling
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Publication number: 20220042858Abstract: A high voltage system including: a high voltage bushing having a bushing body configured to be assembled with a tank filled with a dielectric liquid wherein the bushing body has a cavity, and the bushing includes a dielectric liquid level sensor configured to measure a dielectric liquid level in the cavity, and a temperature distribution determining device configured to determine a heat distribution in the bushing based on the dielectric liquid level measured by the dielectric liquid level sensor.Type: ApplicationFiled: February 28, 2020Publication date: February 10, 2022Applicant: ABB Power Grids Switzerland AGInventors: Tor LANERYD, Joachim SCHIESSLING
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Patent number: 11109507Abstract: A cooling system for a high voltage electromagnetic induction device, includes: at least one duct filled with a first coolant and surrounded by a second coolant, each being routed along a direction of natural convection; at least one group of fans, each fan of the group being mounted along a respective duct of the at least one duct along the direction of natural convection and being configured to blow for the-second-coolant-forced cooling; at least one group of electric motors, each electric motor being configured to operate a respective fan of the at least one group of fans; at least one group of switches, each switch being configured to control a respective electric motor of the at least one group of electric motors. A method of cooling a high voltage electromagnetic induction device is also provided. By using the option of operating fans with higher cooling rate, because of the less fans are operating, the predetermined cooling capacity can be reached with lower power consumption.Type: GrantFiled: August 9, 2019Date of Patent: August 31, 2021Assignee: ABB Power Gnids Switzerland AGInventors: Rongrong Yu, Robert Saers, Tor Laneryd
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Publication number: 20210257144Abstract: The invention is concerned with a cooling arrangement for a high voltage power device in an enclosure and immersed in an insulating fluid. The arrangement includes a cooling device for placing in the interior of the enclosure and having a channel formed as a duct for the insulating fluid the duct having a first wall including a phase change material for cooling insulating fluid that passes through the channel. The invention is also concerned with a method of operating a valve of a cooling device in such a cooling arrangement.Type: ApplicationFiled: June 25, 2019Publication date: August 19, 2021Applicant: ABB Power Grids Switzerland AGInventors: Tor LANERYD, Giti KARIMI-MOGHADDAM
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Patent number: 11024457Abstract: The present invention relates to a static electric induction apparatus (1b) comprising a winding (2) including a plurality of winding units (3), at least one first spacer element (5) arranged between the winding units (3) and including a first groove (18) defined in the surface thereof, and a sensor system for monitoring the temperature in the apparatus, wherein the sensor system comprises an elongated and flexible temperature sensing element (16) disposed in the first groove. The first groove (18) has a curved part that receives the flexible temperature sensing element which is wound at least one revolution in the first groove (18). The first groove enters and exits the first spacer element in one and the same end of the first spacer element. The apparatus comprises an elongated second spacer element (14a) extending in an axial direction on the outside of the winding (2).Type: GrantFiled: March 21, 2018Date of Patent: June 1, 2021Assignee: ABB POWER GRIDS SWITZERLAND AGInventors: Manoj Pradhan, Tor Laneryd
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Patent number: 10879150Abstract: An arrangement for subsea cooling of a semiconductor module. The arrangement includes a tank. The tank is filled with a dielectric fluid. The arrangement includes at least one semiconductor module. The at least one semiconductor module is placed in the tank. Each at least one semiconductor module includes semiconductor submodules and is attached to a heat sink. The semiconductor submodules generate heat, thereby causing the dielectric fluid to circulate by natural convection. The heat sink includes a first part having a first thermal resistance from the semiconductor module to the dielectric fluid. The heat sink includes a second part having a second thermal resistance from the semiconductor module to the dielectric fluid. The second thermal resistance is higher than the first thermal resistance. The heat sink is oriented such that, when the arrangement is installed, the first part is configured to lie vertically higher than the second part.Type: GrantFiled: January 18, 2017Date of Patent: December 29, 2020Assignee: ABB Schweiz AGInventors: Heinz Lendenmann, Thomas Gradinger, Thomas Wagner, Timo Koivuluoma, Tor Laneryd
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Publication number: 20200381175Abstract: The present invention relates to a static electric induction apparatus (1b) comprising a winding (2) including a plurality of winding units (3), at least one first spacer element (5) arranged between the winding units (3) and including a first groove (18) defined in the surface thereof, and a sensor system for monitoring the temperature in the apparatus, wherein the sensor system comprises an elongated and flexible temperature sensing element (16) disposed in the first groove. The first groove (18) has a curved part that receives the flexible temperature sensing element which is wound at least one revolution in the first groove (18). The first groove enters and exits the first spacer element in one and the same end of the first spacer element. The apparatus comprises an elongated second spacer element (14a) extending in an axial direction on the outside of the winding (2).Type: ApplicationFiled: March 21, 2018Publication date: December 3, 2020Inventors: Manoj Pradhan, Tor Laneryd
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Publication number: 20200383239Abstract: A heat exchanging arrangement for a subsea electronic system, the heat exchanging arrangement including: at least one pipe having an external surface; and at least one heat exchanging element arranged inside the at least one pipe and defining at least one internal passage for conducting a dielectric fluid through the at least one pipe; wherein the at least one heat exchanging element is arranged to press laterally outwards against an internal surface of the at least one pipe to establish a heat transfer bond between the at least one heat exchanging element and the at least one pipe. A subsea electronic system including the heat exchanging arrangement is also provided.Type: ApplicationFiled: April 4, 2018Publication date: December 3, 2020Inventors: Tor Laneryd, Thomas Gradinger, Heinz Lendenmann, Thomas Wagner, Hui Huang, Kim Missing, Mika Norolampi
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Publication number: 20200340763Abstract: A heat exchanging arrangement for a subsea electronic system, the heat exchanging arrangement including a wall section; a corrugation formed in the wall section, the corrugation having two generally opposing internal corrugation surfaces; and at least one heat exchanging element forced against at least one of the internal corrugation surfaces. A subsea electronic system including a heat exchanging arrangement is also provided.Type: ApplicationFiled: April 17, 2020Publication date: October 29, 2020Inventors: Tor Laneryd, Thomas Gradinger, Thomas Wagner, Heinz Lendenmann
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Publication number: 20190364692Abstract: A cooling system for a high voltage electromagnetic induction device, includes: at least one duct filled with a first coolant and surrounded by a second coolant, each being routed along a direction of natural convection; at least one group of fans, each fan of the group being mounted along a respective duct of the at least one duct along the direction of natural convection and being configured to blow for the-second-coolant-forced cooling; at least one group of electric motors, each electric motor being configured to operate a respective fan of the at least one group of fans; at least one group of switches, each switch being configured to control a respective electric motor of the at least one group of electric motors. A method of cooling a high voltage electromagnetic induction device is also provided. By using the option of operating fans with higher cooling rate, because of the less fans are operating, the predetermined cooling capacity can be reached with lower power consumption.Type: ApplicationFiled: August 9, 2019Publication date: November 28, 2019Inventors: Rongrong Yu, Robert Saers, Tor Laneryd
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Patent number: 10438734Abstract: A static electric induction system is disclosed. The system includes a heat generating component, cooling fluid, a cooling duct along the heat generating component and a pumping system configured for driving the cooling fluid through the cooling duct, wherein the pumping system is configured for applying a varying flow rate over time of the cooling fluid in the cooling duct along a predetermined flow rate curve which is a function of time.Type: GrantFiled: June 22, 2016Date of Patent: October 8, 2019Assignee: ABB Schweiz AGInventors: Rebei Bel Fdhila, Tor Laneryd, Jurjen Kranenborg, Andreas Gustafsson, Jan Hajek
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Patent number: 10420240Abstract: A pressure compensated subsea arrangement for housing of electric components. The arrangement includes a pressure compensated housing. The pressure compensated housing is filled with a dielectric liquid. The arrangement includes at least one electric component. The at least one electric component is provided inside the pressure compensated housing. The dielectric liquid is a hydrocarbon dielectric liquid including isoparaffin. There is also provided a method of manufacturing such an arrangement.Type: GrantFiled: June 3, 2015Date of Patent: September 17, 2019Assignee: ABB Schweiz AGInventors: Santanu Singha, Tor Laneryd, Thomas Gradinger, Heinz Lendenmann