Patents Examined by Alexander A Singh
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Patent number: 12381435Abstract: The present invention provides a motor including a shaft, a rotor coupled to the shaft, and a stator disposed to correspond to the rotor, wherein the stator includes a stator core, an insulator coupled to the stator core, and a coil disposed on the insulator, the motor includes a busbar electrically connected to the coil and a busbar holder which supports the busbar, the busbar includes a first terminal and a second terminal connected to the first terminal, the first terminal includes a first embossing and a second embossing, and the second terminal includes a first part in contact with the first embossing and a second part in contact with the second embossing.Type: GrantFiled: December 30, 2021Date of Patent: August 5, 2025Assignee: LG INNOTEK CO., LTD.Inventor: Min Ho Lee
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Patent number: 12374955Abstract: In a motor unit, a power converter is provided to an outer circumferential surface of a motor case at a position distant from an outer top portion in a circumferential direction. In a power converter, a power module and a control board are accommodated in an internal space of a device case. A power converter is provided with a device cooler. A device cooling portion has a device cooling passage extending along a power module. A first end, which is an upper end of the device cooling passage, is provide to an upper space inside the device housing. In the device cooling passage, a device inlet, into which coolant flows, and a device outlet, from which coolant flows out, are provided side by side in an axial direction.Type: GrantFiled: February 10, 2023Date of Patent: July 29, 2025Assignee: DENSO CORPORATIONInventor: Tomohisa Sano
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Patent number: 12374944Abstract: Provided is a rotor for a rotating electric machine, including: a rotation shaft member; a rotor core; a first end plate and a second end plate; and a first fixing member and a second fixing member. The first end plate is arranged between the rotor core and the first fixing member in the axial direction. The second end plate is arranged between the rotor core and the second fixing member in the axial direction. At least one of the first fixing member or the second fixing member includes an inner peripheral portion, and an outer peripheral portion provided on an outer side with respect to the inner peripheral portion in the radial direction. Rigidity of the outer peripheral portion is lower than rigidity of the inner peripheral portion. The outer peripheral portion is in contact with the first end plate or the second end plate.Type: GrantFiled: February 1, 2023Date of Patent: July 29, 2025Assignee: Mitsubishi Electric CorporationInventors: Seokho Kim, Yoshiki Kuwahara, Satoru Nakada, Yuki Michimuko
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Patent number: 12368348Abstract: In a motor unit, a power converter is provided to an outer circumferential surface of a motor case at a position distant from an outer top portion in a circumferential direction. In a power converter, a power module and a control board are accommodated in an internal space of a device case. A power converter is provided with a device cooler. A device cooler has a device cooling passage extending along a power module. In the device cooling passage, a device inlet, into which coolant flows, and a device outlet, from which coolant flows out, are provided side by side in a circumferential direction. The device inlet is located a position lower than the device outlet in the Y direction.Type: GrantFiled: February 10, 2023Date of Patent: July 22, 2025Assignee: DENSO CORPORATIONInventor: Tomohisa Sano
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Patent number: 12368344Abstract: A generator assembly includes a screw rod, a shell and a multi-polar magnetic ring, wherein a first inner hub is installed in the shell, a protection ring is sleeved on the outside of the multi-polar magnetic ring, a stator rubber-coated power generation coil set is installed in the multi-polar magnetic ring, the screw rod passes through the first inner hub, the multi-polar magnetic ring, the protection ring, the stator rubber-coated power generation coil set and a second inner wheel hub in sequence, and the stator rubber-coated power generation coil set includes a first dentiform outer iron shell, a single-strand winding coil set, a second dentiform outer iron shell and a circuit board. Moreover, the single-strand winding coil set is used, and cutting power generation is performed by using the inner and outer dentiform motor shells, therefore the processing of the coil and the motor shells move simply.Type: GrantFiled: January 12, 2021Date of Patent: July 22, 2025Inventor: Guilong He
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Patent number: 12362628Abstract: A blower motor includes a motor assembly 100; a flange 200 on which the motor assembly 100 is mounted; and a damper plate 300 coupled to the flange 200 and supporting the motor assembly 100, wherein the motor assembly 100 includes: a stator assembly 20; a rotor assembly 30 disposed on an outer periphery of the stator assembly 20 and rotating with a shaft 10; a stator block 40 coupled to the stator assembly 20; a printed circuit board 50 installed in the stator block 40; and a motor cover 60 coupled to the stator block 40.Type: GrantFiled: March 27, 2024Date of Patent: July 15, 2025Assignee: Hyoseong Electric, Co., Ltd.Inventors: Jin Gun Jung, Chi Won Moon, Seokmin Kim
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Patent number: 12362611Abstract: A permanent magnet includes a recessed portion to fit therein with a protrusion provide in a rotor core; and, when the shortest distance between outmost part of the recessed portion and an outer periphery's circular arc portion of the magnet is defined as L1, and when the distance between the recessed portion and the outer periphery's circular arc portion is defined as L2 where the distance L2 passes through an intersection point at which a tangential line of outmost part on the recessed portion intersects with a parallel line, which defines as its start point a point from which a changeover to the recessed portion occurs from an adhesion surface between the magnet and the rotor core, and which is in parallel with a radial line extending from the rotor's shaft center toward the center of the magnet, the magnet includes the recessed portion that satisfies L2?L1.Type: GrantFiled: November 25, 2020Date of Patent: July 15, 2025Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Kenta Motoyoshi, Yuki Nishimura, Yu Hirotani
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Patent number: 12362618Abstract: An insulator according to an embodiment is attached to teeth extending from one side surface in a radial direction of a ring-shaped stator core in the radial direction. The insulator ensures insulation between the teeth and a rectangular wire wound around the teeth with a number of windings. The insulator includes an end-surface cover portion, two side-surface cover portions, a first wall portion, a second wall portion, a protruding-stripe portion, and a recess. The end-surface cover portion covers an end surface of the teeth in an axial direction. The two side-surface cover portions cover both side surfaces of the teeth in a circumferential direction. At one side-surface cover portion of the two side-surface cover portions, a first winding of the rectangular wire is disposed, the rectangular wire is wound around the teeth with a number of windings, and the protruding-stripe portion and the recess are formed.Type: GrantFiled: April 28, 2021Date of Patent: July 15, 2025Assignee: Toshiba Industrial Products and Systems CorporationInventors: Takashi Araki, Motoyasu Mochizuki, Masaaki Matsumoto
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Patent number: 12362626Abstract: Provided is a technology that can sufficiently suppress the temperature rise of a rotary electrical machine. A rotary electrical machine includes a main body part 10 including a rotator and a stator, and a casing part 20 that houses the main body part 10. The casing part 20 includes a first housing part 5 that surrounds the main body part 10 from a peripheral direction, and a second housing part 6 that houses a bearing for rotatably supporting a rotating shaft 2. The casing part 20 is formed with a cooling passage R extending from an inlet Rs for cooling medium to an outlet Re for cooling medium and not branching off in the middle. The cooling passage R includes a first cooling passage portion R1 that passes through the inside of the first housing part 5 and a second cooling passage portion R2 that passes through the inside of the second housing part 6.Type: GrantFiled: September 14, 2021Date of Patent: July 15, 2025Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Takuma Nomiyama, Yuki Ito, Kenji Oura, Yuki Yasuoka, Takaaki Yoshizawa
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Patent number: 12362634Abstract: Power semiconductor switching devices in an integrated motor drive are mounted directly to a circuit board substrate via a “pick and place” assembly process. The circuit board substrate is then mounted within the housing for the integrated motor drive and, preferably, in a generally central orientation within the housing. A potting material is provided within the housing of the integrated motor drive and around the circuit board. The potting material substantially encloses the circuit board and fills the volume within the integrated motor drive. The potting material is selected to provide good thermal conductivity between the circuit board and the housing of the integrated motor drive. The potting material is also selected to provide flexibility such that expansion and contraction of the potting material due to heating and cooling of the material does not damage the circuit board or the electronic components mounted to the circuit board.Type: GrantFiled: November 29, 2021Date of Patent: July 15, 2025Assignee: Rockwell Automation Technologies, Inc.Inventors: Zoran Vrankovic, Kristin N. Yee
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Patent number: 12362612Abstract: The present invention may provide a motor including a housing, a stator disposed in the housing, a shaft disposed in the stator, a guide part in contact with an outer circumferential surface of the shaft, and a magnet coupled to the guide part, wherein the guide part includes a first guide disposed on a side surface of the shaft and a second guide extending from the first guide in an axial direction.Type: GrantFiled: December 1, 2020Date of Patent: July 15, 2025Assignee: LG INNOTEK CO., LTD.Inventor: Kyung Ju Kim
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Patent number: 12355314Abstract: Disclosed herein is a power converter for integrated control of electric oil pumps, which includes a power conversion module configured to receive a direct current voltage to convert the same into an alternating current voltage and to output the converted alternating current voltage to a drive motor, and a control unit configured to control the power conversion module and to control actuation of an oil pump for generating hydraulic pressure in a transmission. The control unit includes a control board, a main controller installed in a partial region of the control board to supply power to the drive motor and to control the power conversion module, and an oil pump controller installed in a remaining region other than the partial region, connected to the main controller, and configured to supply power to a pump motor for actuating the oil pump and to control the oil pump.Type: GrantFiled: November 11, 2021Date of Patent: July 8, 2025Assignee: Hyundai Transys Inc.Inventors: Hee Cheon Jeong, Oh Joong Kwon, Dae Kyun Kim, Chang Kyo Jung, Yeon Ho Kim
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Patent number: 12355365Abstract: An inverter is disposed adjacent to a motor. The inverter includes a plurality of power modules, a smoothing capacitor, and busbars connecting the power modules and the smoothing capacitor. The plurality of power modules are disposed to be arranged along the periphery of the smoothing capacitor. The smoothing capacitor is disposed at a central portion of the inverter and also disposed in the inner portion of the inverter such that the smoothing capacitor and each of the power modules are arranged on the same plane.Type: GrantFiled: October 21, 2022Date of Patent: July 8, 2025Assignees: MAZDA MOTOR CORPORATION, ROHM CO., LTD.Inventors: Takayuki Sato, Akihiro Noda, Hiroaki Kashihara, Hideki Yamada, Hideki Hosoya, Masashi Hayashiguchi
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Patent number: 12348110Abstract: A motor control center (MCC) for an industrial automation system, includes an enclosure housing comprising a plurality of sections, including a first section having one or more buckets, including a first bucket, a first bus bar, a second bus bar, and a third bus bar extending horizontally across the first section along a back plane of the enclosure housing, and a first electrical component, configured to perform one or more functions of the MCC, disposed within the first bucket of the first section. The first electrical component is directly electrically coupled to the first set of bus bars such that the first electrical component draws a first phase of power from the first bus bar, a second phase of power from the second bus bar, and a third phase of power from the third bus bar.Type: GrantFiled: September 23, 2021Date of Patent: July 1, 2025Assignee: Rockwell Automation Technologies, Inc.Inventors: Milosz Knap, Daniel Jastrzebski, Corey A. Peterson, Pawel Kokula, Troy M. Bellows, Scott D. Day
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Patent number: 12348111Abstract: Disclosed is a device (1) for driving either rotation or translation of a shaft (2). It comprises an electric motor (3) that comprises a stator (4) and a single rotor (5) supporting the shaft (capable of being turned in two directions). Through an activatable/deactivatable system (9) which engages or disengages at least one element (71, 72), the device (1) is either in the first configuration for rotation of the shaft (2) or in the second configuration for a relative axial movement between shaft and static portions of the device (1). The single rotor (5) is a versatile rotor through selection between the first configuration or the second configuration.Type: GrantFiled: September 30, 2021Date of Patent: July 1, 2025Assignee: FRANCE REDUCTEURSInventor: Wouter Barendrecht
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Patent number: 12348095Abstract: A coil attachable to a tooth extending to one radial side of the tooth from an annular core back surrounding a central axis of a motor includes a first winding body including a first wound flat wire, and a second winding body including a second wound flat wire, that is located on a radial side of the first winding body, and that is connected to the first winding body. When N is a freely-selected integer of 1 or more, and M is a freely-selected integer larger than N, the first winding body is an N-layer winding body aligned and wound in two rows aligned in a radial direction, and the second winding body is an M-layer winding body aligned and wound in two rows aligned in the radial direction.Type: GrantFiled: October 16, 2020Date of Patent: July 1, 2025Assignee: NIDEC CORPORATIONInventor: Shigeharu Sumi
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Patent number: 12348099Abstract: An electric machine includes a stator core defining slots having a number of radial positions. A winding is disposed in the core and has three phases, each of the phases having at least two parallel paths including hurdle-shaped conductors interconnected to form at least two continuous circuits between a terminal and a neutral. Each of the hurdle-shaped conductors have first and second uprights disposed in a different one of the slots and a bridge connecting between the uprights and extending circumferentially over an end surface of the core, wherein the bridges are stacked one on top of the other such that the winding has upper and lower layers. The bridges have variable thickness such that a number of bridges, at each of the upper and lower layers, extending over one of the slots exceeds the number of radial positions of that slot.Type: GrantFiled: December 22, 2022Date of Patent: July 1, 2025Assignee: Ford Global Technologies, LLCInventors: Becky Sue Morris, Franco Leonardi
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Patent number: 12341381Abstract: A method for producing a rotor includes providing lamella elements and arranging the lamella elements to form a lamella bundle where the lamella bundle has webs. End plates are arranged at respective end faces of the lamella bundle where the end plates axially support the lamella bundle. The lamella bundle is axially fixed or pretensioned by winding conductor material around the webs and a rotor shaft is arranged in the fixed or pretensioned lamella bundle.Type: GrantFiled: April 19, 2021Date of Patent: June 24, 2025Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Dirk Aringsmann, Florian Beck, Andreas Jahnke
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Patent number: 12341391Abstract: A stator for a rotary electric machine of an embodiment includes: a dividing core including a yoke portion and a teeth portion protruding in an inner peripheral direction from the yoke portion; bobbins that are made of an insulating material and are arranged on both ends in an axial direction of the dividing core; a coil that is wound around the bobbin; and insulating papers that are arranged along an inner peripheral surface of the yoke portion and a side surface of the teeth portion and insulate the coil and the dividing core from each other between both the bobbins, and each of the bobbins is formed with a groove into which an axial end of the insulating paper is inserted, and the groove is configured such that a width dimension of a part along the inner peripheral surface of the yoke portion is larger than a width dimension of a part along the side surface of the teeth portion.Type: GrantFiled: August 30, 2022Date of Patent: June 24, 2025Assignee: Kabushiki Kaisha ToshibaInventors: Yuki Uchino, Minoru Awazu, Takahiro Toi
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Patent number: 12334776Abstract: Disclosed are stators including a stator core having a plurality of slots formed in a circumferential direction, a plurality of coil bundles respectively inserted into the plurality of slots, connection coils each having one side joined to one of the plurality of coil bundles, and the other side joined to another of the plurality of coil bundles, and a plurality of layers being respectively formed in the plurality of slots in a radial direction of the stator core, wherein the plurality of coil bundles each comprises a plurality of hairpins each including a crown portion protruding toward one side in an axial direction of the stator core, and a leg portion protruding toward the other side in the axial direction.Type: GrantFiled: January 20, 2022Date of Patent: June 17, 2025Assignee: Hyundai Mobis Co., Ltd.Inventor: Jae Min Lee