Patents by Inventor Sergey TIKHONOV
Sergey TIKHONOV 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: 20240177903Abstract: The disclosure concerns a magnetic component comprising at least one magnetic core, wherein at least one gap is formed between surfaces, especially opposing end surface(s) and/or side surface(s), of the magnetic core(s), wherein a direction extending between said surfaces is defined as a gap extension direction, a gap distribution device comprising at least one magnetic piece and at least one holding frame configured to hold the at least one magnetic piece, wherein the gap distribution device is arranged within said at least one gap of the at least one magnetic core such that the at least one magnetic piece is arranged within said gap, and at least one electrical winding wound around the at least one magnetic core and/or the at least one holding frame of the gap distribution device.Type: ApplicationFiled: November 29, 2023Publication date: May 30, 2024Inventors: Hugues NJIENDE, Ralf GRIEGER, Sergey TIKHONOV
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Publication number: 20230298802Abstract: The present disclosure concerns a choke assembly (1), especially for an electric conversion device (100), comprising at least one rake-shaped core (2) respectively including a body portion (3), at least two winding legs (4), around each of which at least one electrical winding (5) is wound, and at least one return leg (6), wherein the at least two winding legs (4) and the at least one return leg (6) extend from the body portion (3) in a first direction (11), and at least one yoke core (7) connected to at least one rake-shaped core (2) and configured to close a magnetic circuit (8) between the at least two winding legs (4) and the at least one return leg (6) of the at least one rake-shaped core (2). The present disclosure also concerns an electric conversion device comprising the choke assembly (1).Type: ApplicationFiled: March 17, 2023Publication date: September 21, 2023Inventors: Hugues NJIENDE, Ralf GRIEGER, Sergey TIKHONOV
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Publication number: 20230230760Abstract: The present disclosure concerns a magnetic component (1), especially for a wireless charging transformer, including a magnetic core (2), at least one flat pre-wound major electrical coil (3) disposed on the magnetic core (2) and at least one minor electrical coil (4) wound around the magnetic core (2). The present disclosure also concerns a transformer (100) including the magnetic component (1) as a primary magnetic component (101).Type: ApplicationFiled: January 18, 2023Publication date: July 20, 2023Inventors: Hugues NJIENDE, Sergey TIKHONOV
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Patent number: 11688541Abstract: An integrated magnetic component comprises a common mode inductance and a differential mode inductance. The common mode inductance is formed by a common mode core surrounding a winding window and at least two windings wound around the common mode core and through the winding window. The differential mode inductance is formed by the at least two windings and a differential mode core being spaced from the common mode core by a gap. The differential mode core comprises at least one surface being adjacent to each of the at least two windings. Further, a filter for attenuating electromagnetic interference comprises an integrated magnetic component according to the invention. Even further, the integrated magnetic component according to the invention is used for attenuating electromagnetic interference, preferably in a vehicle, a data center, or a telecommunication unit. A method for manufacturing an integrated magnetic component according to the invention comprises two steps.Type: GrantFiled: January 7, 2020Date of Patent: June 27, 2023Assignee: DET International Holding LimitedInventors: Hugues Njiende, Sergey Tikhonov, Ralf Grieger
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Publication number: 20230125969Abstract: The present disclosure concerns a method of manufacturing an electronic device, where the electronic device includes at least one electronic component with at least one electrical winding, and at least one heat dissipation mass coating, and the method includes inserting the at least one electronic component into a cavity; pouring, before or after the insertion of the electronic component, a heat dissipation mass into the cavity so as to at least partially fill the cavity and at least partially cover the electronic component with the heat dissipation mass; removing the electronic device, namely, the electronic component covered by the heat dissipation mass coating, from the cavity. The present disclosure also concerns an electronic apparatus including at least one electronic device manufactured by the foregoing method.Type: ApplicationFiled: October 21, 2022Publication date: April 27, 2023Inventors: Hugues NJIENDE, Eugen SCHWAN, Sergey TIKHONOV
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Patent number: 11394241Abstract: The invention relates to a resonator of a wireless power transfer system (1), including a magnetic core in the form of an H-core with two yokes and at least one limb (52) connecting the yokes where a winding (53) is wound on the limb (52) of the core. The winding (53) includes a PCB (56.1) on one side of the limb (52) and a PCB (56.2) on another side of the limb (52) where the turns of the coil are formed by traces on the first PCB (56.1) and on the second PCB (56.2) that are connected to each other by soldering pins (57) that are soldered into corresponding holes of the PCBs (56.1, 56.2). The traces on the PCBs (56.1, 56.2) may be provided on a single conductive layer of the PCBs (56.1, 56.2) or the PCBs may be multilayer PBS, where each turn section between two soldering pins (57) on one of the PCBs (56.1, 56.2) may include several strands including one or more traces on one or more conductive layers.Type: GrantFiled: August 19, 2020Date of Patent: July 19, 2022Assignee: DELTA ELECTRONICS (THAILAND) PUBLIC CO., LTD.Inventors: Tobias Grote, Philipp Rehlaender, Hugues Njiende T., Sergey Tikhonov
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Publication number: 20210066967Abstract: The invention relates to a resonator of a wireless power transfer system (1), including a magnetic core in the form of an H-core with two yokes and at least one limb (52) connecting the yokes where a winding (53) is wound on the limb (52) of the core. The winding (53) includes a PCB (56.1) on one side of the limb (52) and a PCB (56.2) on another side of the limb (52) where the turns of the coil are formed by traces on the first PCB (56.1) and on the second PCB (56.2) that are connected to each other by soldering pins (57) that are soldered into corresponding holes of the PCBs (56.1, 56.2). The traces on the PCBs (56.1, 56.2) may be provided on a single conductive layer of the PCBs (56.1, 56.2) or the PCBs may be multilayer PBS, where each turn section between two soldering pins (57) on one of the PCBs (56.1, 56.2) may include several strands including one or more traces on one or more conductive layers.Type: ApplicationFiled: August 19, 2020Publication date: March 4, 2021Applicant: DELTA ELECTRONICS (THAILAND) PUBLIC CO., LTD .Inventors: Tobias GROTE, Philipp REHLAENDER, Hugues NJIENDE T., Sergey TIKHONOV
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Patent number: 10886046Abstract: The invention related to an integrated magnetic component for a switched mode power converter. The integrated magnetic component comprises a single magnetic core structure formed by magnetic core elements, wherein at least one of the magnetic core elements is a leg-core-element with a flange and one or more legs are arranged on one side of the flange. The magnetic core elements of the single magnetic core structure are linearly stacked. The integrated magnetic component further comprises an isolating transformer with a higher current transformer winding arranged on at least one leg of the magnetic core elements, a lower current transformer winding arranged on at least one leg of the magnetic core elements and a first filter inductor comprising a first filter winding, arranged on at least one leg of the magnetic core elements. Herein the higher current transformer winding and the filter winding comprise at least an edgewise wound winding part. The invention further relates to a switched mode power converter.Type: GrantFiled: May 17, 2019Date of Patent: January 5, 2021Assignee: DELTA ELECTRONICS (THAILAND) PUBLIC CO., LTD.Inventors: Hugues Njiende, Sergey Tikhonov
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Publication number: 20200234867Abstract: An integrated magnetic component comprises a common mode inductance and a differential mode inductance. The common mode inductance is formed by a common mode core surrounding a winding window and at least two windings wound around the common mode core and through the winding window. The differential mode inductance is formed by the at least two windings and a differential mode core being spaced from the common mode core by a gap. The differential mode core comprises at least one surface being adjacent to each of the at least two windings. Further, a filter for attenuating electromagnetic interference comprises an integrated magnetic component according to the invention. Even further, the integrated magnetic component according to the invention is used for attenuating electromagnetic interference, preferably in a vehicle, a data center, or a telecommunication unit. A method for manufacturing an integrated magnetic component according to the invention comprises two steps.Type: ApplicationFiled: January 7, 2020Publication date: July 23, 2020Applicant: DELTA ELECTRONICS (THAILAND) PUBLIC CO., LTD .Inventors: Hugues NJIENDE, Sergey TIKHONOV, Ralf GRIEGER
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Patent number: 10498245Abstract: The invention relates to an integrated magnetic component for a switched mode power converter, which includes a transformer with two transformer core elements (E2, E3) and at least one choke core element (E1, E4). Each core element (E1, E2, E3, E4) comprises two outer legs (120a, 120b) and a flange (122) which connects the outer legs (120a, 120b) to form U-like core elements. Each choke core element (E1, E4) abuts a flange (122) of one of the transformer core elements (E2, E3). The integrated magnetic component (103) includes a first choke winding (123) arranged on a leg (121.1) of a choke core element (E1) and a second choke winding (124) arranged on another leg (121.4) of a choke core element (E4), where one of a primary (P1, P2) or a secondary winding (S1, S2) of the transformer is connected between the choke windings (123, 124) and where all windings (P1, P2, S1, S2, 123, 124) are interconnected to reduce core losses by flux compensation in order to increase power density.Type: GrantFiled: August 17, 2016Date of Patent: December 3, 2019Assignee: DELTA ELECTRONICS (THAILAND) PUBLIC CO., LTD.Inventors: Hugues Douglas Njiende T., Sergey Tikhonov
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Publication number: 20190272941Abstract: The invention related to an integrated magnetic component for a switched mode power converter. The integrated magnetic component comprises a single magnetic core structure formed by magnetic core elements, wherein at least one of the magnetic core elements is a leg-core-element with a flange and one or more legs are arranged on one side of the flange. The magnetic core elements of the single magnetic core structure are linearly stacked. The integrated magnetic component further comprises an isolating transformer with a higher current transformer winding arranged on at least one leg of the magnetic core elements, a lower current transformer winding arranged on at least one leg of the magnetic core elements and a first filter inductor comprising a first filter winding, arranged on at least one leg of the magnetic core elements. Herein the higher current transformer winding and the filter winding comprise at least an edgewise wound winding part. The invention further relates to a switched mode power converter.Type: ApplicationFiled: May 17, 2019Publication date: September 5, 2019Applicant: DELTA ELECTRONICS (THAILAND) PUBLIC CO., LTD .Inventors: Hugues Njiende, Sergey Tikhonov
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Patent number: 10325714Abstract: The invention related to an integrated magnetic component for a switched mode power converter. The integrated magnetic component comprises a single magnetic core structure formed by magnetic core elements, wherein at least one of the magnetic core elements is a leg-core-element with a flange and one or more legs are arranged on one side of the flange. The magnetic core elements of the single magnetic core structure are linearly stacked. The integrated magnetic component further comprises an isolating transformer with a higher current transformer winding arranged on at least one leg of the magnetic core elements, a lower current transformer winding arranged on at least one leg of the magnetic core elements and a first filter inductor comprising a first filter winding, arranged on at least one leg of the magnetic core elements. Herein the higher current transformer winding and the filter winding comprise at least an edgewise wound winding part. The invention further relates to a switched mode power converter.Type: GrantFiled: January 11, 2018Date of Patent: June 18, 2019Assignee: DELTA ELECTRONICS (THAILAND) PUBLIC CO., LTD.Inventors: Hugues Njiende, Sergey Tikhonov
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Publication number: 20180197673Abstract: The invention related to an integrated magnetic component for a switched mode power converter. The integrated magnetic component comprises a single magnetic core structure formed by magnetic core elements, wherein at least one of the magnetic core elements is a leg-core-element with a flange and one or more legs are arranged on one side of the flange. The magnetic core elements of the single magnetic core structure are linearly stacked. The integrated magnetic component further comprises an isolating transformer with a higher current transformer winding arranged on at least one leg of the magnetic core elements, a lower current transformer winding arranged on at least one leg of the magnetic core elements and a first filter inductor comprising a first filter winding, arranged on at least one leg of the magnetic core elements. Herein the higher current transformer winding and the filter winding comprise at least an edgewise wound winding part. The invention further relates to a switched mode power converter.Type: ApplicationFiled: January 11, 2018Publication date: July 12, 2018Applicant: DET International Holding LimitedInventors: Hugues Njiende, Sergey Tikhonov
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Publication number: 20170054378Abstract: The invention relates to an integrated magnetic component for a switched mode power converter, which includes a transformer with two transformer core elements (E2, E3) and at least one choke core element (E1, E4). Each core element (E1, E2, E3, E4) comprises two outer legs (120a, 120b) and a flange (122) which connects the outer legs (120a, 120b) to form U-like core elements. Each choke core element (E1, E4) abuts a flange (122) of one of the transformer core elements (E2, E3). The integrated magnetic component (103) includes a first choke winding (123) arranged on a leg (121.1) of a choke core element (E1) and a second choke winding (124) arranged on another leg (121.4) of a choke core element (E4), where one of a primary (P1, P2) or a secondary winding (S1, S2) of the transformer is connected between the choke windings (123, 124) and where all windings (P1, P2, S1, S2, 123, 124) are interconnected to reduce core losses by flux compensation in order to increase power density.Type: ApplicationFiled: August 17, 2016Publication date: February 23, 2017Applicant: DET International Holding LimitedInventors: Hugues Douglas NJIENDE T., Sergey TIKHONOV