Patents Examined by Alexander A Singh
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Patent number: 11799344Abstract: An electric machine includes a stator assembly having a core with windings positioned on the core. The windings including in-slot portions, end turns, and leads. The leads include a plurality of inner leads extending from conductors in an inner layer of the slots and outer leads extending from conductors in an outer layer of the slots, the inner leads and the outer leads defining a semi-cylindrical space. The stator assembly further includes a bus bar assembly connected to the leads, the bus bar assembly including a plurality of series connections and a plurality of phase leads. Each of the series connections connects one of the inner leads to one of the outer leads within the semi-cylindrical space. Each of the phase leads connects at least one of the inner leads to at least one of the outer leads.Type: GrantFiled: May 12, 2021Date of Patent: October 24, 2023Assignee: BorgWarner Inc.Inventors: Kirk Neet, Matt Ryan Conner
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Patent number: 11784530Abstract: A rotating electric machine includes an armature and a busbar unit. The armature includes an annular armature core and a multi-phase armature coil wound on the armature core. The busbar unit is configured to connect winding end portions of the armature coil which are arranged apart from one another in a circumferential direction of the armature. Moreover, the busbar unit is fixed to a back yoke of the armature core by a plurality of pins.Type: GrantFiled: October 27, 2021Date of Patent: October 10, 2023Assignee: DENSO CORPORATIONInventors: Kensuke Hirai, Tomoyuki Okamura, Tadahiro Kurasawa
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Patent number: 11784533Abstract: A drive device includes a motor, an inverter to control current supplied to the motor, plate-shaped busbars that electrically connect the motor with the inverter, and a housing that accommodates the motor, the inverter, and the busbars. The housing includes a partition wall that partitions the inside of the housing into a motor housing and an inverter housing. The partition wall is provided with a through hole. Each busbar includes a motor connection terminal, an inverter connection terminal, a first portion extending from the motor connection terminal toward the through hole, and a second portion extending from the first portion to the inverter connection terminal through the through hole. At least two busbars overlap each other in a plate thickness direction inside the through hole.Type: GrantFiled: November 5, 2021Date of Patent: October 10, 2023Assignee: NIDEC CORPORATIONInventors: Hitoshi Kuroyanagi, Yuki Ishikawa
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Patent number: 11777378Abstract: A motor apparatus includes a multi-lane permanent magnet synchronous motor having at least two sets of phase windings, and a control circuit. The control circuit selectively connects a first direct current power source to the motor phase windings of a first set of the motor phasing windings to form a first lane. The control circuit may also selectively connect a second direct current power source to the motor phase windings of a second set of the motor phasing windings to form a second lane. The control circuit may cause current to flow in the motor that meets a current demand from a current demand circuit. During at least one mode of operation, the control circuit may apply waveforms to a motor phase winding which causes an actively controlled transfer of energy from the first direct current source of the first lane into a component of the second lane.Type: GrantFiled: May 22, 2020Date of Patent: October 3, 2023Inventor: Connel Brett Williams
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Patent number: 11777391Abstract: Described herein are braking mechanisms and related methods of using eddy current interactions to resist relative movement between members, the magnetic flux about an eddy current region being modified beyond an inherent drag effect resulting from a simple magnetic pole arrangement.Type: GrantFiled: May 27, 2021Date of Patent: October 3, 2023Assignee: Eddy Current Limited PartnershipInventors: Andrew Karl Diehl, Kevin A. Wright, Weston Hill, Dave Walters
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Patent number: 11770044Abstract: A rotating electrical machine such that positional deviation caused by a part tolerance can be absorbed in an electrical connection between a power conversion device and a rotating electrical machine main body, and size can be reduced without a structure becoming complex, is obtained. The rotating electrical machine is characterized by including a power terminal unit of the rotating electrical machine main body housed in a housing, the power conversion device fixed to the housing, and a multilayer bus bar connected to the power terminal unit of the rotating electrical machine main body as a power terminal of the power conversion device, wherein the multilayer bus bar has flexibility, and is bent by being connected to the power terminal unit.Type: GrantFiled: May 7, 2018Date of Patent: September 26, 2023Assignee: Mitsubishi Electric CorporationInventors: Ryohei Hayashi, Kohei Seike, Mitsuo Sone
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Patent number: 11770054Abstract: A motor includes a rotor, a stator, a first substrate, a second substrate, and an electronic component arranged at the second substrate. The stator includes a stator core, an insulator, and a coil wound around the stator core via the insulator. The insulator includes a coupling part connected to an external device. The first substrate is fixed to the insulator. The second substrate is fixed to the first substrate. The first substrate and the second substrate are spaced apart in a rotation axis direction of the rotor.Type: GrantFiled: October 20, 2021Date of Patent: September 26, 2023Assignee: MINEBEA MITSUMI Inc.Inventors: Katsunori Sakuragi, Yoshihito Fujie, Masahiko Anko
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Patent number: 11770051Abstract: A brushless motor assembly includes a motor body, a circuit board, and a plurality of electronic elements. The circuit board is disposed on the motor body and has a first surface and a second surface which face opposite directions. The first surface faces the motor body. The second surface has a plurality of thermoconductive layouts. The electronic elements include a plurality of power switching elements disposed on the second surface. A plurality of heat sinks is disposed on the second surface. Each of the power switching elements and each of the heat sinks are connected to each of the thermoconductive layouts, so that a thermal energy generated by each of the power switching elements is transferred to each of the heat sinks through each of the thermoconductive layouts. This configuration thereby reduces an overall volume of the brushless motor assembly.Type: GrantFiled: February 26, 2021Date of Patent: September 26, 2023Assignee: MOBILETRON ELECTRONICS CO., LTD.Inventors: Wen-Shing Hon, Shih-Hao Wang
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Patent number: 11764631Abstract: A motor includes: a stator including assemblies; and a rotor disposed on one side of the stator. Each of the assemblies includes: a bobbin; a core inserted into the bobbin; and a coil surrounding an outside of the bobbin. The bobbin includes: a main through hole into which the core is inserted; and a sub-through hole disposed in either one of a top surface and a bottom surface on one side of the main through hole. An inner space of the bobbin is communication with the outside of the bobbin through the sub-through hole.Type: GrantFiled: July 21, 2021Date of Patent: September 19, 2023Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Yeong Woo Seo, Hye Seong Yang, Yong Ho Kim, Ui Il Jeong
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Patent number: 11764632Abstract: An electric compressor is provided in which the connection strength between lead terminals from a motor and an inverter circuit section is improved. The electric compressor 1 is constituted by electrically connecting lead terminals 24 to 26 of a motor and an inverter circuit section 3 for supplying power to the motor by a motor side connection terminal 28. The inverter circuit section 3 is protrusively provided with terminal connection portions 19 to 21 each having a screw groove portion. The motor side connection terminal 28 has a flat plate terminal portion. The flat plate terminal portion is fixed to the inverter circuit section 3 by a nut 91 screwed into each of the screw groove portions of the terminal connection portions 19 to 21 and electrically connected to the inverter circuit section 3 in that state.Type: GrantFiled: January 21, 2019Date of Patent: September 19, 2023Assignee: SANDEN CORPORATIONInventors: Mikio Kobayashi, Atsushi Kaneko
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Patent number: 11764633Abstract: A busbar unit that is electrically connected to a motor, the motor including a coil would around a stator, the busbar unit including: a terminal including a body, and a terminal portion protruding from an inner circumferential surface of the body; and a holder including a holder body configured to support the body, and a terminal holder portion disposed on an inner circumferential surface of the holder body and configured to electrically connect the terminal portion and the coil.Type: GrantFiled: June 29, 2021Date of Patent: September 19, 2023Assignee: Hyundai Mobis Co., Ltd.Inventors: Yeong Woo Seo, Seong Jun Hwang
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Patent number: 11757425Abstract: A resonance device that includes a MEMS substrate including a resonator, an upper cover, and a bonding portion that bonds the MEMS substrate to the upper cover to seal a vibration space of the resonator. The bonding portion includes a eutectic layer composed of a eutectic alloy of germanium and a metal mainly containing aluminum, a first titanium (Ti) layer, a first aluminum oxide film, and a first conductive layer consecutively arranged from the MEMS substrate to the upper cover.Type: GrantFiled: May 27, 2020Date of Patent: September 12, 2023Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Masakazu Fukumitsu, Kentarou Dehara
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Patent number: 11757324Abstract: A rotary motor stator includes a plurality of stator teeth and a plurality of terminal securing blocks. The stator teeth are arranged in a ring to define a rotor accommodation space. Each stator tooth includes an inner side, a winding section and an outer side. The inner side is closer to the rotor accommodation space than the outer side, and the winding section is located between the inner side and the outer side for winding a coil. Each terminal securing block is fixed to the outer side of each stator tooth, and each terminal securing block includes a first wire slot configured to secure an end of the coil. An angle between a line passing through a center of the ring and a center of each terminal securing block and a lengthwise direction of the first wire slot is an acute angle.Type: GrantFiled: October 4, 2021Date of Patent: September 12, 2023Assignee: DELTA ELECTRONICS, INC.Inventors: Cheng-Hsun Tsai, Yung-Chih Hsu
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Patent number: 11757326Abstract: The present disclosure relates to a busbar unit for a motor, the busbar unit including: a holder having an inner circumferential surface on which crest portions and trough portions connected to the crest portions are formed; and a terminal coupled to the holder and including first terminal portions disposed on the crest portions, such that it is possible to obtain an advantageous effect of simplifying a structure and reducing costs.Type: GrantFiled: May 13, 2021Date of Patent: September 12, 2023Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Yeong Woo Seo, Jong Bin Park, Jong Jin Park
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Patent number: 11750056Abstract: A busbar unit electrically connected to a motor comprising a stator around which a coil is wound includes: a first terminal including a first body and a first terminal part protruding from an upper portion of the first body and electrically connected to the coil; a first holder configured to support the first terminal such that the first terminal part is exposed to an outside of the busbar unit; and a second holder disposed on an upper portion of the first holder and configured to press the coil against the first terminal part.Type: GrantFiled: September 13, 2021Date of Patent: September 5, 2023Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Yeong Woo Seo, Seong Jun Hwang, Ui Il Jeong, Yul Kyu Son
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Patent number: 11750071Abstract: An axial field rotary energy device are disclosed. For example, the device can include a printed circuit board (PCB) stator having PCB panels. Each PCB panel can include conductive layers. Selected ones of the conductive layers are coupled to plated vias that extend from one major surface of the PCB stator to an opposite major surface of the PCB stator. In addition, each major surface of the PCB stator can have a layer of a dielectric material that completely covers ends of the plated vias.Type: GrantFiled: September 15, 2022Date of Patent: September 5, 2023Assignee: INFINITUM ELECTRIC, INC.Inventors: Edward C. Carignan, Paulo Guedes-Pinto, Rich Lee
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Patent number: 11749419Abstract: Systems, methods, and devices for electrical power generation are disclosed. A device includes a radioactive source that emits radiation including at least one of: electrically charged particles; electrically neutral particles; or electromagnetic radiation; an ion media positioned adjacent to the radioactive source, wherein the ion media comprises a material that releases electrons in response to exposure to radiation; a set of two or more electrodes configured to: establish an electric field across the ion media; capture electrons released by the ion media in response to exposure to radiation emitted by the radioactive source; and generate electric current from the captured electrons. The device includes a supplemental power supply electrically connected to the set of two or more electrodes. The device includes an electrical load electrically connected to the set of two or more electrodes.Type: GrantFiled: November 10, 2022Date of Patent: September 5, 2023Assignee: Stargena, Inc.Inventors: Roy Long, Junaid Razvi, Matthew A. Simmons
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Patent number: 11750064Abstract: In the brushless motor disposed in a hammer drill, while a stator core of a stator is formed by joining a plurality of divided cores divided in a circumferential direction, varnishes are applied over a coil and joining portions between the divided cores.Type: GrantFiled: March 25, 2022Date of Patent: September 5, 2023Assignee: MAKITA CORPORATIONInventor: Junya Inuzuka
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Patent number: 11742724Abstract: An electric actuator includes a housing, an electric driving unit, an selector member being rotatable about a rotation axis and moving in a direction of the rotation axis, a position holding member and detection object provided in the selector member, a detector, an engagement groove provided on a cooperation surface inside the housing, and a biasing member biasing the selector member in the direction of the rotation axis to make the position holding member approach the cooperation surface. The engagement groove is formed so that the detection object is positioned in one of a detectable area and an undetectable area when the position holding member is engaged with the engagement groove, and the detector is configured to switch between supply and cutoff of power to the electric driving unit in accordance with whether or not the detection object is detected.Type: GrantFiled: April 24, 2019Date of Patent: August 29, 2023Assignee: ASAHI YUKIZAI CORPORATIONInventors: Kenji Kohshoh, Shinobu Kamimura
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Patent number: 11735981Abstract: An electrical machine includes an interconnection assembly that creates contact for a stator of the electrical machine, a busbar that creates contact for the interconnection assembly, a measurement printed circuit board that is arranged perpendicularly to an axis of rotation of the electrical machine, on a side of the interconnection assembly that is averted from the stator, wherein a field sensor is arranged on the measurement printed circuit board, and a flux concentrator that engages around the busbar and the field sensor.Type: GrantFiled: October 28, 2021Date of Patent: August 22, 2023Assignee: Robert Bosch GmbHInventors: Marie-Luies Schoeneck, Michael Mayer, Patrick Fruehauf, Wolfram Kienle