Patents by Inventor Erik Myhre
Erik Myhre 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: 11856731Abstract: The present disclosure relates to a power supply system (1) including a main unit (10) including a protective main housing (11) and a distribution circuit (20) disposed in the protective main housing (11); a first module unit (30a) including a first protective module housing (31a) and a first electric module (40a) disposed in the first protective module housing (31a). The system also includes a passive cooling system (70) for cooling of the main unit (10) and the first module unit (30a). A first protective connection system (CS1) and a second protective connection system (CS2) is also a part of the system, wherein the first protective connection system (CS1) is configured to provide a releasable electrical and mechanical connection between the main unit (10) and the first module unit (30a). The passive cooling system (70) includes cooling fins (71) disposed on an outer surface of the first protective module housing (31a).Type: GrantFiled: June 21, 2021Date of Patent: December 26, 2023Assignee: DELTA ELECTRONICS (NORWAY) ASInventors: Erik Myhre, Håkon Hafnor, Kjetil Hagen, Jan Tore Brastad, Christine Amer
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Patent number: 11705663Abstract: The present disclosure relates to a power supply system (1) including a main unit (10) including a protective main housing (11) and a distribution circuit (20) disposed in the protective main housing (11) and a module unit (30) including a protective module housing (31) and a converter module (40) disposed in the protective module housing (31). A protective connection system (CS) is configured to provide a releasable connection between the module unit (30) and the main unit (10); wherein the protective connection system (CS) includes a first connector device (15), a second connector device (35) and a sealing element (53).Type: GrantFiled: June 22, 2021Date of Patent: July 18, 2023Assignee: ELTEK ASInventors: Christine Amer, Erik Myhre, Håkon Hafnor, Jan Tore Brastad, Kjetil Hagen
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Patent number: 11627655Abstract: The present disclosure relates to an electric circuit system. The system includes a housing, a printed circuit board mounted within the housing, an electric component conductively mounted to the printed circuit board, and a cooling system for transferring heat away from of the electric component. The printed circuit board is compartmentalizing the inside of the housing into a first compartment and a second compartment, and the electric component is situated in the first compartment. The cooling system includes at least one first heat transferring element located adjacent to the electric component. The at least one first heat transferring element is secured to the housing surrounding the second compartment capable of forming a heat flowing path defined to transfer heat from the electric component to the housing via the at least one first heat transferring element.Type: GrantFiled: June 30, 2021Date of Patent: April 11, 2023Assignee: ELTEK ASInventors: Christine Amer, Erik Myhre, Håkon Hafnor, Jan Tore Brastad, Kjetil Hagen
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Publication number: 20210400847Abstract: The present disclosure relates to a power supply system (1) including a main unit (10) including a protective main housing (11) and a distribution circuit (20) disposed in the protective main housing (11); a first module unit (30a) including a first protective module housing (31a) and a first electric module (40a) disposed in the first protective module housing (31a). The system also includes a passive cooling system (70) for cooling of the main unit (10) and the first module unit (30a). A first protective connection system (CS1) and a second protective connection system (CS2) is also a part of the system, wherein the first protective connection system (CS1) is configured to provide a releasable electrical and mechanical connection between the main unit (10) and the first module unit (30a). The passive cooling system (70) includes cooling fins (71) disposed on an outer surface of the first protective module housing (31a).Type: ApplicationFiled: June 21, 2021Publication date: December 23, 2021Inventors: ERIK MYHRE, Håkon HAFNOR, KJETIL HAGEN, JAN TORE BRASTAD, CHRISTINE AMER
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Publication number: 20210399463Abstract: The present disclosure relates to a power supply system (1) including a main unit (10) including a protective main housing (11) and a distribution circuit (20) disposed in the protective main housing (11) and a module unit (30) including a protective module housing (31) and a converter module (40) disposed in the protective module housing (31). A protective connection system (CS) is configured to provide a releasable connection between the module unit (30) and the main unit (10); wherein the protective connection system (CS) includes a first connector device (15), a second connector device (35) and a sealing element (53).Type: ApplicationFiled: June 22, 2021Publication date: December 23, 2021Inventors: Christine Amer, Erik Myhre, Håkon Hafnor, Jan Tore Brastad, Kjetil Hagen
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Patent number: 9793754Abstract: A power supply system module that includes a first and second AC terminals, positive and negative DC terminals and a housing. An AC-DC converter is connected to the first and second AC terminals, and a DC-DC converter is connected between the AC-DC converter and an internal DC bus. A protection circuit is connected between the internal DC bus and the positive or negative DC terminal. A control device controls the AC-DC converter and/or the DC-DC converter. The AC-DC converter, the DC-DC converter and the control device are provided inside the housing. The power supply system module also includes a backup battery device that has a backup battery connected to the internal DC bus via a battery management system. The backup battery device is provided inside the housing.Type: GrantFiled: December 20, 2013Date of Patent: October 17, 2017Assignee: Eltek ASInventors: Erik Myhre, Thomas Olsen, Jan Tore Brastad, Odd Roar Schmidt
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Patent number: 9425607Abstract: An AC-DC converter device includes a first overvoltage protection circuit connected between a first DC output terminal and a first control terminal of a gate pulse controller. The first overvoltage protection circuit is configured to turn off a first switch if the output voltage between the DC output terminals is above a threshold voltage. A galvanic insulation barrier is connected either between the first overvoltage protection circuit and the first control terminal or between the first control terminal and the first switch.Type: GrantFiled: April 4, 2013Date of Patent: August 23, 2016Assignee: Eltek ASInventors: Erik Myhre, Thomas Olsen, Jan Tore Brastad
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Patent number: 9337740Abstract: A DC-DC converter device and method for controlling the DC-DC converter device includes controlling gate drivers connected to the respective gate of first and second resonant circuit switches of a resonant circuit, controlling gate drivers connected to the respective gate of first and second rectifier switches of a synchronous rectifier, and detecting whether a shutdown criteria is fulfilled or not. If the shutdown criteria is fulfilled, the method is further includes the step of sending a shutdown signal to a shutdown device.Type: GrantFiled: April 4, 2013Date of Patent: May 10, 2016Assignee: Eltek ASInventors: Erik Myhre, Thomas Olsen, Jan Tore Brastad
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Publication number: 20160006299Abstract: A power supply system module that includes a first and second AC terminals, positive and negative DC terminals and a housing. An AC-DC converter is connected to the first and second AC terminals, and a DC-DC converter is connected between the AC-DC converter and an internal DC bus. A protection circuit is connected between the internal DC bus and the positive or negative DC terminal. A control device controls the AC-DC converter and/or the DC-DC converter. The AC-DC converter, the DC-DC converter and the control device are provided inside the housing. The power supply system module also includes a backup battery device that has a backup battery connected to the internal DC bus via a battery management system. The backup battery device is provided inside the housing.Type: ApplicationFiled: December 20, 2013Publication date: January 7, 2016Applicant: ELTEK ASInventors: Erik Myhre, Thomas Olsen, Jan Tore Brastad, Odd Roar Schmidt
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Publication number: 20150078054Abstract: A common mode inductor device includes a magnetic core forming a continuous loop, a first winding wound around the magnetic core, and a second winding wound around the magnetic core. The magnetic core further includes a first leg section, a second leg section, a third leg section and a fourth leg section. The first winding is wound around the first leg section, the second winding is wound around the second leg section, the third leg section is provided between a first end area of the first leg section and a first end area of the second leg section, and the fourth leg section is provided between a second end area of the first leg section and a second end area of the second leg section.Type: ApplicationFiled: April 4, 2013Publication date: March 19, 2015Inventors: Erik Myhre, Thomas Olsen, Jan Tore Brastad, Håkon Hafnor
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Publication number: 20150070950Abstract: An AC-DC converter device includes a first overvoltage protection circuit connected between a first DC output terminal and a first control terminal of a gate pulse controller. The first overvoltage protection circuit is configured to turn off a first switch if the output voltage between the DC output terminals is above a threshold voltage. A galvanic insulation barrier is connected either between the first overvoltage protection circuit and the first control terminal or between the first control terminal and the first switch.Type: ApplicationFiled: April 4, 2013Publication date: March 12, 2015Applicant: ELTEK ASInventors: Erik Myhre, Thomas Olsen, Jan Tore Brastad
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Publication number: 20150062973Abstract: A DC-DC converter device and method for controlling the DC-DC converter device includes controlling gate drivers connected to the respective gate of first and second resonant circuit switches of a resonant circuit, controlling gate drivers connected to the respective gate of first and second rectifier switches of a synchronous rectifier, and detecting whether a shutdown criteria is fulfilled or not. If the shutdown criteria is fulfilled, the method is further includes the step of sending a shutdown signal to a shutdown device.Type: ApplicationFiled: April 4, 2013Publication date: March 5, 2015Applicant: Eltek ASInventors: Erik Myhre, Thomas Olsen, Jan Tore Brastad
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Patent number: 8270129Abstract: The present invention relates to a device arranged for converting an AC input voltage to a DC output voltage, comprising a bridgeless boost converter; and a surge protection system. The surge protection system comprises a first protection diode (Dprot1), where the anode is connected to a first AC input terminal and the cathode is connected to a positive boost output terminal (Obp); a second protection diode (Dprot2), where the anode is connected to a negative boost output terminal (Obn) and the cathode is connected to the first AC input terminal; a third protection diode (Dprot3), where the anode is connected to a second AC input terminal and the cathode is connected to the positive boost output terminal (Obp); and a fourth protection diode (Dprot4), where the anode is connected to the negative boost output terminal (Obn) and the cathode is connected to the second AC input terminal.Type: GrantFiled: October 30, 2008Date of Patent: September 18, 2012Assignee: Elktek Valere ASInventors: Knut-Ivar Gjerde, Erik Myhre, Roberto Rojas, Jan Tore Brastad
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Publication number: 20100277837Abstract: The present invention relates to a device arranged for converting an AC input voltage to a DC output voltage, comprising a bridgeless boost converter; and a surge protection system. The surge protection system comprises a first protection diode (Dprot1), where the anode is connected to a first AC input terminal and the cathode is connected to a positive boost output terminal (Obp); a second protection diode (Dprot2), where the anode is connected to a negative boost output terminal (Obn) and the cathode is connected to the first AC input terminal; a third protection diode (Dprot3), where the anode is connected to a second AC input terminal and the cathode is connected to the positive boost output terminal (Obp); and a fourth protection diode (Dprot4), where the anode is connected to the negative boost output terminal (Obn) and the cathode is connected to the second AC input terminal.Type: ApplicationFiled: October 30, 2008Publication date: November 4, 2010Applicant: Eltek Valere ASInventors: Erik Myhre, Jan Tore Brastad, Knut-Ivar Gjerde, Roberto Rojas
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Patent number: 7362596Abstract: A balancing circuit for systems having at least first and second transformers. The transformers' primary sides are connected to one another. The transformers' secondary sides also are connected to one another. The balancing circuit includes a branch connecting one terminal on the secondary side of the first transformer and the corresponding terminal on the secondary side of the second transformer. The branch has a significant impedance such that the voltage in the secondary sides of the transformers is forced to be substantially equal. A method is also provided for performing balanced operation of a system includes at least a first and a second transformer.Type: GrantFiled: June 16, 2006Date of Patent: April 22, 2008Assignee: Eltek Valere ASInventors: Knut-Ivar Gjerde, Erik Myhre
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Publication number: 20070268634Abstract: Switch mode power supply system, characterized in that it comprises at least one power supply module (10) supplying at least two controlled DC output voltages through respective first connection means (22, 24), where the two first connection means (22, 24) are electrically insulated from each other; a connection device (30) comprising a first connection interface (32) with first output terminals (38, 39) for connection to a first load and a second connection interface (62) with second output terminals (68, 69) for connection to a second load, where each connection interface (32, 62) comprises second connection means (34) for connection to the first connection means (22, 24) of the at least one module (10); where the power supply system is supplying power at a first voltage level when connected to the first connection interface (32) and supplying power at a second voltage level when connected to the second connection interface (62).Type: ApplicationFiled: May 7, 2007Publication date: November 22, 2007Inventors: Knut Gjerde, Erik Myhre
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Publication number: 20070001660Abstract: The present invention relates to a balancing circuit for systems comprising at least a first and a second transformers, where the transformers' primary sides are connected to one another, and the transformers' secondary sides also are connected to one another, characterized in that the balancing circuit comprises a branch for connection between one terminal on the secondary side of the first transformer and the corresponding terminal on the secondary side of the second transformer, the branch having a significant impedance such that the voltage in the secondary sides of said transformers is forced to be substantially equal. The invention comprises also a method for performing balanced operation of a system comprising at least a first and a second transformer.Type: ApplicationFiled: June 16, 2006Publication date: January 4, 2007Applicant: Eltek Energy ASInventors: Knut-Ivar Gjerde, Erik Myhre