Patents Examined by Alexander A Singh
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Patent number: 11979059Abstract: A laminated core includes a plurality of electrical steel sheets stacked in a thickness direction, each of the electrical steel sheets includes an annular core back part; a plurality of fastening parts are provided in the core back part at intervals in a circumferential direction; an adhesion region is formed on an outer circumferential side from the fastening parts in the core back part; and a non-adhesion region is formed on an inner circumferential side from the fastening parts in the core back part.Type: GrantFiled: December 17, 2019Date of Patent: May 7, 2024Assignee: NIPPON STEEL CORPORATIONInventors: Yasuo Ohsugi, Ryu Hirayama, Kazutoshi Takeda
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Patent number: 11967873Abstract: A fractional slot electric motor includes a stator core having a first side, a second side, and stator slots extending between the first and second sides. The fractional slot electric motor also includes a coil having a plurality of coil elements, where each coil element extends through at least one of the stator slots. Each coil element is coupled to at least one other coil element along the first side of the stator core. A first subset of the coil elements includes coil elements coupled to each other along the second side of the stator core. A second subset of the coil elements includes loop coil elements, where each loop coil element extends from one of the stator slots to another of the stator slots along the second side of the stator core without being connected to other coil elements along the second side of the stator core.Type: GrantFiled: May 5, 2023Date of Patent: April 23, 2024Assignee: Canoo Technologies Inc.Inventors: James Dameron, Evan Filter, Phillip Weicker, Charles Garmel
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Patent number: 11955870Abstract: An electronic system includes a casing including a first bearing surface, a first busbar attached to the casing and including a first connection end having a first connection surface, and an electronic unit having a second bearing surface and including a second busbar having a second connection end having a second connection surface. The second bearing surface is intended to slide on the first bearing surface when the electronic unit is inserted into the casing. One from among the first bearing surface and the second bearing surface includes a ramp that is inclined relative to the insertion direction for deforming the second busbar so as to bring the second connection surface closer to the first connection surface when the electronic unit is inserted into the casing. An electrical assembly may include such an electronic system and a rotary electric machine.Type: GrantFiled: March 3, 2020Date of Patent: April 9, 2024Assignee: VALEO EQUIPEMENTS ELECTRIQUES MOTEURInventors: Alexis Hosni, Mathieu Varillon
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Patent number: 11955871Abstract: An emotor connection arrangement for connecting power electronics of an electric or hybrid electric vehicle to an emotor. The emotor connection arrangement includes a junction box configured to extend from the power electronics to the emotor, and phase bars that extend in the junction box and electrically connect the power electronics to the emotor. A first access cover is removably connected to the junction box and configured to provide access for connecting the phase bars to the emotor, and a second access cover provides similar access for connecting the phase bars to the power electronics. In order to prevent overheating, the first access cover includes a cooling fluid channel with a cooling fluid inlet configured to be connected to a cooling fluid source and a cooling fluid outlet configured to be connected to a cooling fluid return.Type: GrantFiled: September 28, 2021Date of Patent: April 9, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: John Ramsey, Jacob Pfeifer
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Patent number: 11949313Abstract: A motor module has a bearing base, a stator, a rotor, a fixing base, and a circuit board. The bearing base, the stator, and the fixing base are sequentially and securely mounted to each other. The bearing base has a bearing base casing. The stator has a stator casing. The fixing base has a fixing base casing. Two end surfaces of the stator casing are respectively connected to an end surface of the bearing base casing and an end surface of the fixing base casing. The rotor is rotatably mounted in the stator, and is rotatably mounted through the bearing base. The circuit board is mounted in the fixing base and is electrically connected to the stator.Type: GrantFiled: February 9, 2021Date of Patent: April 2, 2024Assignee: Worldwide Logistics CorporationInventor: Kuo-Chieh Chuang
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Patent number: 11949305Abstract: An electric machine having a plurality of AC power phases comprises a rotor, a stator defining a plurality of slots, and a plurality of pins inserted into the slots. The pins are each joined together with circumferentially adjacent pins arranged in an even number of paired parallel winding paths. Each of the paired winding paths include five pitch pins and seven pitch pins that are radially adjacent and insulated from each other. The five pitch pins are electrically connected and circumferentially followed by seven pitch pins in the winding paths in a repeating pattern throughout the paired winding paths from separate phase terminals to a neutral bridge terminal. Neutral terminals and lead terminals are connected to the conductive paths by various combinations of I-pins and half-crown pins.Type: GrantFiled: January 24, 2022Date of Patent: April 2, 2024Assignee: FORD GLOBAL TECHNOLOGIES, LLCInventor: Adeeb Ahmed
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Patent number: 11942825Abstract: Systems and methods for cooling an electric motor in an electric drive unit are provided. In one example, the electric motor includes a stator and an inverter power module positioned within a motor housing. The inverter power module forms an interface with a peripheral surface of an outer section of stator laminations of the stator, and the stator laminations include a plurality of cutouts forming axially extending oil ducts.Type: GrantFiled: January 12, 2022Date of Patent: March 26, 2024Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLCInventors: Joachim Druant, Steven Vanhee, Thibault Devreese
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Patent number: 11942852Abstract: An object of the present invention is to obtain good electrical connection with respect to an insertion-side terminal having a large variation in a position. An energizing terminal assembly according to the present invention includes: a first energizing terminal 59 which constitutes an accommodation-side terminal of a press-fit type connector and has a sandwiching portion 59D; and a second energizing terminal which constitutes an insertion-side terminal of the press-fit type connector and is inserted into the sandwiching portion 59D to be sandwiched by the sandwiching portion 59D, wherein the sandwiching portion 59D has a groove-shaped portion 59E whose width dimension W and depth dimension D1 decrease from an inlet side of the second energizing terminal in an insertion direction toward a deep side of the second energizing terminal in the insertion direction.Type: GrantFiled: March 20, 2019Date of Patent: March 26, 2024Assignee: Hitachi Astemo, Ltd.Inventors: Haruaki Motoda, Kiyotaka Kanno
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Patent number: 11936265Abstract: A rotating electrical machine includes an annular coil connection body provided coaxially with a stator. The coil connection body has, in a groove provided on a holder, an overhang portion for restricting an axial-direction movement of a terminal, and a positioning projection for restricting a radial-direction movement of the terminal. The positioning projection positions the terminal such that a part of the terminal overlaps the overhang portion in the axial direction. In this structure, when the terminal moves in a direction from a terminal holding portion toward a groove opening, the terminal comes into contact with a side surface of the overhang portion, whereby lifting and coming-off of the terminal can be prevented.Type: GrantFiled: August 17, 2018Date of Patent: March 19, 2024Assignee: Mitsubishi Electric CorporationInventors: Takashi Yamamoto, Akira Kimishima, Toshihiro Matsunaga, Kengo Fujimoto
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Patent number: 11936274Abstract: The present invention discloses an adaptive cooling allocation system for multiple motors and a junction motor assembly. The key points of the technical solution comprise: a plurality of cooling groups, wherein each cooling group comprises a motor and a regulating valve, a cooling channel is arranged in the motor, a liquid inlet channel and a liquid outlet channel are arranged in the regulating valve, respectively, and an outlet end of the liquid inlet channel communicates with an inlet end of the cooling channel; and a main liquid inlet channel, wherein inlet ends of the plurality of liquid inlet channels communicate with the main liquid inlet channel, respectively; a regulating channel is also arranged in the regulating valve; a valve block is arranged in the regulating channel, and extends into the liquid inlet channel, so that a regulating hole is formed between the valve block and the liquid inlet channel.Type: GrantFiled: November 23, 2023Date of Patent: March 19, 2024Assignee: Suzhou Inn-Mag New Energy Ltd.Inventors: Ruilin Pei, Xiangyan He, Yueshun Yuan, Zhi Wang, Xuejie Zheng, Lubin Zeng
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Patent number: 11936267Abstract: A blower apparatus includes a rotor, a stator, a circuit board, and a resin portion which covers the stator and the circuit board. The stator includes a conductive pin which protrudes downward from a stator core and is connected to a conducting wire to electrically connect the coil and the circuit board. The resin portion includes a first resin portion which covers the stator core and the coil, a second resin portion which covers the circuit board, and a third resin portion which is between the first resin portion and the second resin portion and covers the conductive pin. At least a portion of an outer peripheral surface of the third resin portion which intersects with an extension line extending from a center axis to the conductive pin is on a radially outer side away from the first resin portion.Type: GrantFiled: December 27, 2021Date of Patent: March 19, 2024Assignee: NIDEC CORPORATIONInventors: Yukinobu Shiraishi, Takashi Uchino
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Patent number: 11929657Abstract: A system has an axial field rotary energy device with a housing, an axis and a rotor with a shaft, bearings, rotor disks and permanent magnets. A printed circuit board (PCB) stator is between the rotor disks to define an air gap on each side thereof. A variable frequency drive (VFD) assembly has a VFD housing and first pads coupled to inductors to facilitate heat removal from the inductors. A concave cradle is coupled to a ferromagnetic core and has a same contour as an outer surface of the ferromagnetic core. A second pad is coupled to a rectifier module. A third pad is coupled to switching devices and has pins to align the switching devices with the third pad. Standoffs are coupled to the VFD housing to support a first printed circuit board assembly (PCBA). A second PCBA is mounted to a shield plate above the first PCBA.Type: GrantFiled: September 27, 2023Date of Patent: March 12, 2024Assignee: INFINITUM ELECTRIC INC.Inventors: Zachary Thomas Radkey-Pechacek, John Mitchell Wilson, George William Vogel, Jr., Shriram Pushparaj Patil, Randal A. Lee, Paulo Guedes-Pinto
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Patent number: 11929656Abstract: A protective cover for a generator in a running state includes a main body, a frame, and a top cover. The main body includes side wings capable of being rolled up and unfolded down. The side wings are enclosed to define an accommodating cavity. The accommodating cavity defines an upper opening and a lower opening and is matched with the generator. The frame is arranged in the accommodating cavity and is fixedly connected with the generator. The frame is fixed with the side wings. The top cover is openable and arranged on a top portion of the main body and covers the upper opening on an upper end of the accommodating cavity. When the generator is in the running state, the protective cover is used through the frame. Especially in a humid environment, the protective cover protects the generator from short circuit and protects an operator from electric shock.Type: GrantFiled: July 28, 2023Date of Patent: March 12, 2024Inventor: Jiacheng Ji
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Patent number: 11923735Abstract: The rotor with a non-through shaft for a rotary electric machine comprises a cylindrical magnetic body clamped between two half-shafts, each comprising an attachment flange connected to the magnetic body, axial housings being uniformly provided in the magnetic body on at least one diameter of the magnetic body in order to house conductive bars. At least one attachment flange comprises insertion holes, each arranged facing a housing for inserting the conductive bars into the housings and the exterior diameter of the attachment flange is substantially equal to the exterior diameter of the magnetic body, the attachment flange comprising as many insertion holes as housings.Type: GrantFiled: December 12, 2019Date of Patent: March 5, 2024Assignee: GE Energy Power Conversion Technology LimitedInventor: Christophe Galmiche
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Patent number: 11923742Abstract: A motor includes a drive source assembly including a first wiring, a rotation detector including a second wiring, and a motor housing. The motor housing includes a first motor housing that accommodates at least a portion of the drive source assembly, and a second motor housing that accommodates at least a portion of the rotation detector. The first motor housing includes a first penetration portion that radially penetrates the circumferential wall portion of the first motor housing and is open to one axial side, and the second motor housing includes a second penetration portion that radially penetrates the circumferential wall portion of the second motor housing and is open to another axial side. The first wiring is lead out to the outside of the first motor housing via the first penetration portion, and the second wiring is lead out to the outside of the second motor housing via the second penetration portion.Type: GrantFiled: February 9, 2022Date of Patent: March 5, 2024Assignee: NIDEC CORPORATIONInventor: Ryo Kamizato
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Patent number: 11916454Abstract: A stator includes a stator core that includes a core back portion having an annular shape and with a central axis as a center and tooth portions extending from the core back portion to an inside in a radial direction and arranged in a circumferential direction, insulators that are attached to the tooth portions from the inside in the radial direction, a coil that is wound around the insulator, and a cover that supports an inner surface of the insulator opposing the inside in the radial direction from the inside in the radial direction.Type: GrantFiled: February 4, 2022Date of Patent: February 27, 2024Assignee: NIDEC CORPORATIONInventors: Tatsuro Kawamoto, Yuhei Yamaguchi, Yoshiaki Yamashita
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Patent number: 11916455Abstract: 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: April 6, 2023Date of Patent: February 27, 2024Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Yeong Woo Seo, Seong Jun Hwang, Ui Il Jeong, Yul Kyu Son
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Patent number: 11909294Abstract: A pressure compensating assembly for a drive mechanism of a vehicle, wherein the drive mechanism includes as drive components an electrical machine a power electronics unit, and a transmission, wherein each drive component is disposed in a respective housing which encloses an air space, wherein at least two air spaces of adjacent housings are interconnected in an air-permeable manner, wherein the pressure compensating assembly includes a pressure compensating member common to all drive components, which member connects the air spaces of all drive components of the drive mechanism to an environment and is disposed above a wading line of the vehicle when the pressure compensating assembly is installed in the vehicle.Type: GrantFiled: July 31, 2020Date of Patent: February 20, 2024Assignee: AUDI AGInventors: Manfred Hensel, Daniel Wurm
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Patent number: 11901771Abstract: A rotating electric machine includes a stator and a rotor. The rotor includes a rotor core, an axial end part, and a rotor magnet inserted into an insertion hole formed so as to pass through the rotor core. The axial end part has a recessed portion. The rotor magnet includes a first side surface and a second side surface. The first side surface is fixed to a first inner wall surface of the insertion hole. In a cross section perpendicular to the axial direction, a width of the first inner wall surface is larger than a width of the first side surface. The second side surface is fixed to a second inner wall surface of the recessed portion. In the cross section perpendicular to the axial direction, a width of the second inner wall surface is larger than a width of the second side surface.Type: GrantFiled: April 10, 2019Date of Patent: February 13, 2024Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yuki Hidaka, Hideaki Arita, Taiga Komatsu, Shohei Fujikura
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Patent number: 11901792Abstract: A bus bar assembly includes a bus bar holder and bus bars each including a main line portion extending in a plane perpendicular or substantially perpendicular to a center axis in a posture in which a plate surface is oriented in an axial direction, and a connection terminal portion connected to an end portion of the main line portion. When viewed in the axial direction as a symmetry axis, the main line portion of the first U-phase bus bar and the main line portion of the second U-phase bus bar, the main line portion of the first V-phase bus bar and the main line portion of the second V-phase bus bar, and the main line portion of the first W-phase bus bar and the main line portion of the second W-phase bus bar, each have a shape line-symmetric to each other.Type: GrantFiled: February 4, 2022Date of Patent: February 13, 2024Assignee: NIDEC CORPORATIONInventor: Ryo Kamizato