Patents Examined by Tuyên T. Nguyên
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Patent number: 11605486Abstract: An inductor includes an integrated preform having a coil installed thereinside. The coil includes extension portions extending from two stages of a spiral wound portion. The integrated preform is formed by bonding together first and second preforms. The first and/or second preform is shaped like a housing including a plate-shaped bottom, a wall provided around the periphery of the bottom portion, and two cut out portions provided in the wall. The extension portions extend to outside the integrated preform via the cut out portions. The difference between a first distance from a reference surface, which is the bottom surface of the bottom of the first or second preform, to a bottom surface of one cut out portion and a second distance from the reference surface to the bottom surface of the other cut out portion is substantially an integer multiple of the width of the flat wire.Type: GrantFiled: June 9, 2020Date of Patent: March 14, 2023Assignee: Murata Manufacturing Co., Ltd.Inventor: Yoshiaki Hirama
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Patent number: 11605488Abstract: A high-voltage device includes a housing and at least one subassembly which is electrically insulated from the housing. The at least one subassembly is spaced from the housing and mechanically connected to the housing. At least one ceramic spacer element is disposed between the housing and the at least one subassembly. A method of using the high-voltage device includes transferring heat, which is produced at connection elements of the at least one subassembly which is electrically insulated from the housing, from the subassembly through the at least one ceramic spacer element to the housing and emitting the heat from the housing to the environment.Type: GrantFiled: September 13, 2018Date of Patent: March 14, 2023Assignee: Siemens AktiengesellschaftInventors: Robert Goepfert, Sebastian Mueller
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Patent number: 11605494Abstract: Disclosed herein is a coil component that includes an insulating substrate, a first coil part formed on the first surface of the insulating substrate, and a second coil part formed on the second surface of the insulating substrate. At least an innermost turn of the first coil part is radially separated by spiral-shaped slits into three or more conductor parts. At least an innermost turn of the second coil part is radially separated by spiral-shaped slits into three or more conductor parts. Inner peripheral ends of respective innermost to outermost conductor parts of the three or more conductor parts of the first coil part are connected to inner peripheral ends of the respective outermost to innermost conductor parts of the three or more conductor parts of the second coil part.Type: GrantFiled: October 16, 2020Date of Patent: March 14, 2023Assignee: TDK CORPORATIONInventors: Syun Ashizawa, Masato Otsuka, Hanako Yoshino, Toshio Tomonari, Kohei Wada
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Patent number: 11605496Abstract: A magnetic assembly includes a magnetic core including at least one winding leg and at least one winding. The at least one winding inductively coupled to the magnetic core and wound around the at least one winding leg. The at least one winding includes a foil conductive material and a tape. The tape includes a thermally conductive adhesive layer and an electrically insulating layer.Type: GrantFiled: April 9, 2018Date of Patent: March 14, 2023Assignee: ABB SCHWEIZ AGInventors: Robert Joseph Roessler, Anjana Shyamsundar
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Patent number: 11600432Abstract: An embedded-core device including a substrate, a core embedded in the substrate, a winding arranged around the core, and a dummy pin in direct contact with the core and not in direct contact with the winding. A method of a manufacturing an embedded-core device includes providing winding pins and a dummy pin, inserting a core between the winding pins using the dummy pin such that the dummy pin is in direct contact with the core and not in direct contact with the winding pins, and sealing the core with resin.Type: GrantFiled: February 22, 2017Date of Patent: March 7, 2023Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Matthew Scott Cooper
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Patent number: 11594361Abstract: A passive cooling topology and a manufacturing method are described for a transformer to achieve improved power density at a light weight. No fans or cooling liquids are required. Vertical planar faces are used for the central core element, the primary and secondary windings, the outer core element, and a finned heat sink. The primary flow for thermal cooling is radial, through the vertical planar faces. The transformer may be configured to float at the potential of a high voltage transmission line, leading to improved thermal characteristics. Eddy currents are reduced using repeating air gaps in the central core, and a continuously transposed cable comprising multiple strands per turn in the secondary winding. Air pockets in the windings are eliminated using a potting resin and vacuum pressure impregnation (VPI).Type: GrantFiled: June 18, 2019Date of Patent: February 28, 2023Assignee: Smart Wires Inc.Inventors: Ali Farahani, Haroon Inam
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Patent number: 11594360Abstract: The present invention provides an electromagnetic apparatus with heat sink structure, comprising: metal housing, the metal housing further comprises the upper housing and the lower housing to fix the components of the electromagnetic apparatus and store the energy of the electromagnetic apparatus during operation; the electrical coil is mounted on the coil shelf and is provided with numbers of primary windings and secondary windings; the heat conductive tube is arranged in the gap of the windings for conducting the heat generated by the electrical coil to the outside of the electromagnetic apparatus. Furthermore, the conducting wire is electrically coupled to the electrical coil and transmits the input voltage and output voltage during the operation of electromagnetic apparatus.Type: GrantFiled: April 29, 2020Date of Patent: February 28, 2023Assignee: PHIHONG TECHNOLOGY CO., LTD.Inventors: Chun-Chen Chen, Jian-Hsieng Lee, Feng-Yi Lin, Pang-Chuan Chen
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Patent number: 11594364Abstract: A thermal management includes an inductor, a housing in thermal communication with the inductor, the housing defining a wall, and a conductor. The conductor has a greater heat transfer rate than the wall and is positioned within a groove and/or an aperture formed in the wall. The conductor is configured to transfer heat through the wall more efficiently than if the conductor were not present. A method of manufacturing a thermal management system includes forming a housing by additive manufacturing. The housing defines a wall having at least one of a groove and an aperture defined therein. The method includes positioning a conductor in at least one of the groove and the aperture. The conductor has a greater heat transfer rate than the wall. The method includes positioning an inductor into thermal communication with the housing.Type: GrantFiled: March 18, 2020Date of Patent: February 28, 2023Assignee: Hamilton Sundstrand CorporationInventors: Ashutosh Joshi, Debabrata Pal
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Patent number: 11587719Abstract: A magnetic integrated hybrid distribution transformer includes a main transformer, a series isolation transformer and a converter, wherein: an iron core includes an iron beam unit, an iron yoke unit and a leakage magnetic core unit. The main transformer includes secondary windings, primary windings and control windings all of which are layer-windings and wound around main transformer iron beams. The series isolation transformer includes converter side windings and grid side windings all of which are pancake-windings and wound around isolation transformer iron beams. The converter side windings and the control windings are respectively connected with the converter by the star connection with neutral point. Leakage magnetic cores are respectively inserted between the primary windings and the control windings or between the converter side windings and the grid side windings, so as to achieve magnetic integration design of the transformer and output connection inductor of the converter.Type: GrantFiled: December 5, 2017Date of Patent: February 21, 2023Assignee: XI'AN JIAOTONG UNIVERSITYInventors: Deliang Liang, Yibin Liu, Yang Liang, Mingkang Zhang, Qixu Chen, Guanhua Sun, Peixin Jia
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Patent number: 11587715Abstract: An apparatus for securing a transformer that includes a mounting bracket coupled to an exterior surface of the transformer, the mounting bracket having a first length, a first height, and a first width to define a mounting bracket having an interior cavity includes a housing having a second length, a second height, and a second width to define an interior cavity with at least one interior surface. The second length is larger than the first length of the mounting bracket and the second width is larger than the first width such that the mounting bracket is receivable into the interior cavity. A shaft member extends from the at least one interior surface along the second length within the housing interior cavity. The shaft member receives a securing strap around at least a portion of the shaft member within the mounting bracket to secure the transformer to the apparatus.Type: GrantFiled: August 7, 2020Date of Patent: February 21, 2023Assignee: GMS MANUFACTURING, LLCInventor: Gregg Stith
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Patent number: 11581129Abstract: A reactor includes a plurality of windings, a coupling core, and an inductor core. A coupling core configured to form a coupling closed magnetic circuit that magnetically couples the plurality of windings, the plurality of windings being wound around the coupling core; and. An inductor core, which includes a main part, a first projection part projecting from one end of the main part, and a second projection part projecting from another end of the main part, and each of the first projection part and the second projection part is magnetically connected to the coupling core. The inductor core forms an inductor closed magnetic circuit together with a part of the coupling core around which one winding of the plurality of windings is wound.Type: GrantFiled: March 15, 2018Date of Patent: February 14, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Junichi Kotani, Hisayoshi Kato, Takayuki Hiruma, Osamu Moriya
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Patent number: 11574760Abstract: An inductor and a method of making an inductor. The inductor includes a stack of dielectric layers. The inductor also includes a plurality of metal levels comprising patterned metallic features of the inductor. Each metal level is located at an interface between adjacent dielectric layers in the stack. The patterned metallic features include a first plurality of inductor windings arranged in a substantially flat spiral in one of the metal levels. The patterned metallic features also include a second plurality of inductor windings in which each winding is located in a respective one of the plurality of metal levels. The first plurality of windings is connected in series with the second plurality of windings.Type: GrantFiled: December 5, 2018Date of Patent: February 7, 2023Assignee: NXP B.V.Inventors: Mustafa Acar, Jawad Hussain Qureshi, Mark Pieter van der Heijden
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Patent number: 11569024Abstract: An upper end portion and a lower end portion of a second magnetic portion of a coil component are further away from a coil than when a third part and a fifth part are not present. For this reason, a magnetic flux is unlikely to be concentrated in the upper end portion and the lower end portion of the second magnetic portion, so that magnetic saturation is unlikely to occur. Therefore, improvement of direct current superimposition characteristics is realized in the coil component.Type: GrantFiled: May 19, 2020Date of Patent: January 31, 2023Assignee: TDK CORPORATIONInventors: Kenei Onuma, Masazumi Arata, Hitoshi Ohkubo
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Patent number: 11551860Abstract: An ignition coil includes a center core, a first core member, and a second core member. The first core member includes a first core-facing portion facing a front core surface of the center core and a first core side portion extending rearward from the first core-facing portion. The second core member includes a second core-facing portion facing a rear core surface of the center core and a second core side portion extending frontward from the second core-facing portion. The first core-facing portion has an end surface contacting a portion of the second core side portion to create a first contact region. Similarly, the second core-facing portion has an end surface contacting a portion of the first core side portion to create a second contact region. The first and second contact regions are shaped to approach frontward close to the first core side portion. This structure enhances productivity of the ignition coil.Type: GrantFiled: February 9, 2021Date of Patent: January 10, 2023Assignee: DENSO CORPORATIONInventors: Norihiro Adachi, Junichi Wada
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Patent number: 11551850Abstract: A coil component may include a body having a support member including a through hole, a coil disposed on at least one of an upper surface and a lower surface of the support member, and a magnetic material encapsulating the coil and the support member, and filling the through hole. The coil includes a coil pattern. The coil component further includes an external electrode connected to the coil. At least one of the upper surface and the lower surface of the support member includes a groove, having a shape corresponding to a shape of the coil pattern, and at least a portion of the coil pattern is embedded in the groove.Type: GrantFiled: September 24, 2020Date of Patent: January 10, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Jin Hyuk Jang
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Patent number: 11551847Abstract: An inductor includes a coil that is provided in a component body. A first end of the coil is connected to a first outer electrode, and a second end of the coil is connected to a second outer electrode. The coil includes a plurality of coil conductor layers that are provided in a width direction. Each coil conductor layer is substantially spirally formed with the number of turns being greater than or equal to about one turn. The height of the component body is greater than the width of the component body.Type: GrantFiled: June 9, 2021Date of Patent: January 10, 2023Assignee: Murata Manufacturing Co., Ltd.Inventors: Yasunari Nakashima, Hiromi Miyoshi
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Patent number: 11551859Abstract: An ignition coil has primary and secondary coils, a central core and a pair of split cores. One of the split cores has a first opposing face orthogonal to a coil axial direction X facing a core front end face of the central core in the coil axial direction X. The respective split cores have second opposing surfaces mutually facing each other in a lateral direction Y at a rear end of the central core. At least one of the second opposing surfaces and one of rear end surfaces of the central core contacting the least one of the second opposing surfaces collectively constitute a pair of oblique surfaces and come to close to the other one of the second opposing surfaces in the lateral direction Y as a portion of each of the oblique surfaces recedes further from the first opposing face in the coil axial direction X.Type: GrantFiled: January 26, 2021Date of Patent: January 10, 2023Assignee: DENSO CORPORATIONInventors: Takehiro Torii, Junichi Wada
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Patent number: 11545293Abstract: An edge mount magnetic component includes a bobbin and two E-core halves. The bobbin is configured to receive the two E-core halves when body portions of the two E-core halves are positioned vertically. The bobbin includes a first outer flange, a second outer flange, and a passageway spanning therebetween. The bobbin further includes first, second, third, and fourth pin supports. The first and second pin supports are connected to an outer surface of the first end flange and are spaced apart by at least a width of the passageway. The third and fourth pin supports are connected to an outer surface of the second end flange and are spaced apart by at least the width of the passageway. The bobbin further includes slots for routing a winding to a pin and includes walls to ensure the winding is electrically separated from the E-core halves.Type: GrantFiled: October 20, 2021Date of Patent: January 3, 2023Assignee: Universal Lighting Technologies, Inc.Inventors: Mike LeBlanc, Donald Folker, Dane Sutherland, Wei Xiong
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Patent number: 11538615Abstract: A reactor includes a coil including a wire that is covered with an insulating film and is wound, the coil including a first lateral surface and a second lateral surface different from the first lateral surface; a cooler that faces the first lateral surface; and an insulating heat radiation layer that is sandwiched between the first lateral surface and the cooler. In the first lateral surface, the wire is not covered with the insulating film. In the second lateral surface, the wire is covered with the insulating film. A degree of flatness of the first lateral surface is lower than a degree of flatness of the second lateral surface.Type: GrantFiled: September 12, 2019Date of Patent: December 27, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Kazumi Serizawa
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Patent number: 11538627Abstract: An ignition coil includes a primary coil, a secondary coil, a center core, a magnet body and an outer peripheral core. The outer peripheral core is provided with a first opposite side, a second opposite side and a coupling side, the first opposite side facing the magnet body from an opposite side of the center core, the second opposite side facing the center core from the opposite side of the magnet body, the coupling side coupling the first opposite side with the second opposite side. The center core has a magnet side flange portion disposed at an end portion in a magnet body side, protruding in a protrusion direction. A thick portion is formed at both of a part of the first opposite side and a part of the coupling side, and a thickness of the thick portion being larger than a minimum thickness of the second opposite side.Type: GrantFiled: February 9, 2021Date of Patent: December 27, 2022Assignee: DENSO CORPORATIONInventor: Yuki Kondo