Patents Examined by Terrance L. Kenerly
  • Patent number: 11955853
    Abstract: A small sized drive motor that achieves both high output including high-speed rotation and weight reduction is realized. Provided is a drive motor rotating in a predetermined direction. The drive motor includes a rotor having no magnet and including a plurality of salient poles. A stator core includes a plurality of element cores and a plurality of magnets. The salient poles are formed with a slit or a void (e.g., a second air gap)). The salient poles include a large magnetic circuit (a first magnetic circuit) on a front side of the slit in the rotational direction and having a large cross-sectional area and a small magnetic circuit a second magnetic circuit) on a rear side of the slit in the rotational direction and having a small cross-sectional area.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: April 9, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Masayuki Takada, Minoru Yoshida, Takashi Kosaka, Yuuki Nakabayashi
  • Patent number: 11938513
    Abstract: An ultrasonic-wave irradiation unit capable of reducing erosion and cleaning unevenness on a diaphragm and improving the joining strength of an ultrasonic transducer to the diaphragm includes a diaphragm, an ultrasonic transducer, a front-side resonating member, and a rear-side resonating member. A stud bolt protrudes from the non-radiation surface of the diaphragm. The transducer front plate of the ultrasonic transducer is joined to the non-radiation surface. The front-side resonating member is joined to the non-radiation surface and the bolt is inserted therethrough. The rear-side resonating member is provided at the tip of the bolt to fasten and secure the front-side resonating member. End-positioned resonators, mid-positioned resonators, and the ultrasonic transducer are arranged in a column. The rear-side resonating member of the end-positioned resonator is formed from a metal material with higher bending rigidity than the front-side resonating member.
    Type: Grant
    Filed: October 2, 2023
    Date of Patent: March 26, 2024
    Assignee: HONDA ELECTRONICS CO., LTD.
    Inventors: Nobunaga Shibuya, Yoshihiro Aoki
  • Patent number: 11942841
    Abstract: According to one embodiment, a stator includes a stator core and coils having a rectangular cross-section. In one or more slots, a first rectangular conductor, which is positioned innermost in a radial direction and in which a pair of short sides in a cross section face in the radial direction, and a second rectangular conductor, which is positioned outer side of the radial direction than is the first rectangular conductor and in which a pair of long sides in the cross-section face in the radial direction, are disposed. The first rectangular conductor includes a bending part bent toward a circumferential direction. The second rectangular conductor includes a bending part bent toward the circumferential direction and a twisted part twisted about the circumferential direction.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: March 26, 2024
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Masaru Kano, Hidenori Uchida
  • Patent number: 11936253
    Abstract: A system can include an axial field rotary energy device with an axis of rotation and a rotor coaxial with the axis and having a shaft, bearings, rotor disks that are coaxial and permanent magnets on each rotor disk. A printed circuit board (PCB) stator is located between the rotor disks to define an air gap on each side of the PCB stator. An enclosure has two enclosure sections with an inspection port. Bearing caps and bearings are mounted to the rotor. A variable frequency drive (VFD) assembly is coupled to the axial field rotary energy device. The VFD has a flexible conduit that extends between the VFD housing and the axial field rotary energy device. The flexible conduit can adapt to different sizes of axial field rotary energy devices.
    Type: Grant
    Filed: September 27, 2023
    Date of Patent: March 19, 2024
    Assignee: INFINITUM ELECTRIC INC.
    Inventors: Paulo Guedes-Pinto, Shriram Pushparaj Patil, John Mitchell Wilson, Randal A. Lee, Zachary Thomas Radkey-Pechacek, Luke Robert Wilkin
  • Patent number: 11936241
    Abstract: A stator assembly for an electric machine includes a first housing portion, a second housing portion, a stator body inserted into at least the first housing portion, a link for rotatably linking the stator body with the first housing portion, a first attachment for attaching the stator body to the first housing portion, and a second attachment for attaching the two housing portions to one another. The assembly includes an annular seal inserted axially between the stator body and the first attachment as well as between the two housing portions.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: March 19, 2024
    Assignees: Renault s.a.s., NISSAN MOTOR CO., LTD.
    Inventors: Eric Dumas, Francois Paris, Thomas Kalos, Emmanuel Motte
  • Patent number: 11929646
    Abstract: The present invention relates to a rotor of an electric machine for use in an aircraft. By forming the shaft of the rotor such that it performs, at least partially, the function of the back iron, components of the rotor can be combined. Further, by forming the rotor components in this manner, an internal shaft with an increased diameter can be used to provide a rotor with greater stiffness than equivalent prior art devices.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: March 12, 2024
    Assignee: SAFRAN ELECTRICAL & POWER
    Inventors: Paul David Flower, Anthony Kelly
  • Patent number: 11929653
    Abstract: According to one embodiment, in a stator, bridge parts of seventh coil segments extend in a direction departing from one end surface while being inclined at a predetermined inclination angle from an axial direction of a stator core to the outside of a radial direction. Regarding the bridge parts of the seventh coil segments adjacent to each other in the radial direction of the stator core, when the same cross-sections defined by the radial direction and the axial direction is viewed from a circumferential direction of the stator core, a first inclination angle of the bridge part positioned relatively in an inner side of the radial direction is smaller than a second inclination angle of the bridge part positioned relatively in an outer side of the radial direction.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: March 12, 2024
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION
    Inventor: Hidenori Uchida
  • Patent number: 11923734
    Abstract: A counter-rotating motor and a high speed blender is described. The counter-rotating motor includes a stator, an inverter, an inner rotor and an outer rotor, the stator is provided with an outer winding and an inner winding, and the outer winding and the inner winding have opposite phase sequences, the inverter is connected in parallel with the outer winding and the inner winding to synchronously supply excitation current to the outer winding and the inner winding, the inner rotor is provided in the inner winding and is used for rotating in a first direction under the effect of the inner winding, and the outer rotor is provided in the outer winding and is used for rotating in a second direction opposite to the first direction under the effect of the outer winding.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: March 5, 2024
    Assignees: GUANGDONG MIDEA WHITE HOME APPLIANCE TECHNOLOGY INNOVATION CENTER CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Yi Liu, Jianxing Zhao, Fei Wang
  • Patent number: 11916435
    Abstract: A device includes a first rotor segment and a second rotor segment, wherein the first rotor segment and the second rotor segment are configured to be directly coupled together about a shaft to form at least a portion of a unitary rotor. The device also includes a first stator segment and a second stator segment, wherein the first stator segment and the second stator segment are configured to be directly coupled together to form at least a portion of a unitary stator.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: February 27, 2024
    Assignee: Duxion Motors, Inc.
    Inventors: Rick Ralph Pilgrim, Sheikh Fazle Rabbi, Jason Aspin, Dipesh Maharjan, Richard Robert Roper
  • Patent number: 11909277
    Abstract: A motor includes a grounding ring and a first sealing piece, or includes a grounding ring, a first sealing piece, and a second sealing piece. The grounding ring is electrically coupled to a rotating shaft and a housing. The grounding ring is made of a material with good conduction performance, hence, a shaft induced voltage transmitted on the rotating shaft is transmitted to the housing through the grounding ring, instead of being transmitted to the housing through a motor bearing.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: February 20, 2024
    Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
    Inventors: Zhenxing Chen, Guoquan Yu, Wenwu Ma, Chao Cao
  • Patent number: 11901799
    Abstract: An electrical machine includes a stator assembly coupled to an engine stator component of a propulsion engine. The stator assembly includes a stator support assembly fixedly attached to the engine stator component and a stator disposed on a supporting surface of the stator support structure. The electrical machine also includes a rotor assembly including a rotor support structure connected to a shaft of the propulsion engine and a rotor attached to the rotor support structure such that the rotor is disposed radially inward of the stator. The rotor exchanges rotational energy with the shaft to operate as either an electrical motor or an electrical generator.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: February 13, 2024
    Assignees: General Electric Company, General Electric Company Polska sp. z o.o., General Electric Deutschland Holding GmbH
    Inventors: Miroslaw Czarnik, Adam Tomasz Paziński, Bartłomiej Drozd, Darek Zatorski, Maciej Krzysztof Grunwald, Mohamed Osama, John R. Yagielski
  • Patent number: 11901798
    Abstract: The fan motor according to the present invention comprises a fan (10) comprising a fan body (11) having a circular plate shape, a plurality of fan blades (12) formed in an upper portion of the fan body (11), a central protruding part (13) protruding upwardly from a central portion of the fan body (11), a shaft fixing part (14) formed in an inner side of the central protruding part (13), a shaft (15) coupled and fixed to the shaft fixing part (14) to rotate when the fan body (11) rotates, and a magnet receiving part (16) formed in a central lower portion of the fan body (11); a ring plate magnet (20) coupled to the magnet receiving part (16); a motor bracket (30) having a PCB bracket coupling part (31) formed in a center; a PCB bracket (40) comprising a body (41) having a cup shape, a bearing insertion part (42) having a cylinder shape, protruding upwardly from a center of the body (41), a through-hole (44) formed inside the bearing insertion part (42), into which a bearing (45) is inserted, and the bearing (4
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: February 13, 2024
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Gyeong Su Park, Woo Sung Cho
  • Patent number: 11901791
    Abstract: A functional module is provided. The functional module is applied to an electronic device, and includes a housing, a functional member, and a motor assembly. Both the functional member and the motor assembly are disposed in the housing. The motor assembly includes a motor and an output shaft. The motor is configured to drive the output shaft to rotate. The output shaft protrudes from one side of the housing.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: February 13, 2024
    Assignee: ASUSTEK COMPUTER INC.
    Inventors: Chia-Min Cheng, Chui-Hung Chen, Ching-Yuan Yang, Cheng-Han Chung
  • Patent number: 11894746
    Abstract: It is provided an actuated machine having a main frame, a machine shaft mounted on the main frame by means of a bearing module, a gearless torque motor coupled to the machine shaft for driving a rotation of the machine shaft, a torque arm coupled to the gearless torque motor, and a catching structure. The gearless torque motor is coupled to the machine shaft 200 such that the gearless torque motor is capable of following a translational movement of the machine shaft. The torque arm is coupled to the gearless torque motor for inhibiting a rotational motion of the gearless torque motor, relative to the main frame, about a central axis of the gearless torque motor. The catching structure is arranged underneath the gearless torque motor for catching and holding the gearless torque motor in case of a failure causing the gearless torque motor's weight to be no longer carried by the machine shaft.
    Type: Grant
    Filed: April 5, 2023
    Date of Patent: February 6, 2024
    Assignee: ABB Schweiz AG
    Inventors: Ulf Richter, Radim Capla
  • Patent number: 11894751
    Abstract: A housing of a drive device includes a refrigerant flow path through which a refrigerant flows. The refrigerant flow path includes a first flow path, a second flow path, a third flow path, and a fourth flow path. The refrigerant to be sent from a pump flows through the first flow path. The refrigerant to be supplied to the motor portion flows in the second flow path. The third flow path supplies a part of the refrigerant flowing through the second flow path to the outer surface of a stator. The fourth flow path supplies the other part of the refrigerant flowing through the second flow path to a hollow portion of a shaft. A minimum flow-path cross-sectional area in the fourth flow path is smaller than a minimum flow-path cross-sectional area in the third flow path.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: February 6, 2024
    Assignee: NIDEC CORPORATION
    Inventors: Keisuke Nakata, Yuki Ishikawa, Kouhei Oba
  • Patent number: 11892033
    Abstract: A motor according to the present application includes a rotating shaft, a bearing, a bearing holder configured to accommodate the bearing, a holder disposed at one end portion side of the bearing holder in a rotating shaft direction, and a lid disposed at another end portion side of the bearing holder in the rotating shaft direction. A labyrinth structure is formed of one end portion of the bearing holder and an inner peripheral portion of the holder, and/or a labyrinth structure is formed of the rotating shaft and the lid.
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: February 6, 2024
    Assignee: MINEBEA MITSUMI Inc.
    Inventor: Seiya Fujimoto
  • Patent number: 11894741
    Abstract: A rotary electric machine system includes a rotary electric machine, a housing for housing the rotary electric machine, and a rotation parameter detector for detecting the rotation parameter of a rotating shaft constituting the rotary electric machine. The rotating shaft includes a first end portion and a second end portion, and a first bearing and a second bearing are provided between the housing and the first end portion, and between the housing and the second end portion, respectively. The first end portion includes a protruding tip that protrudes out of the housing through the first bearing. The rotation parameter detector is provided at the protruding tip.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: February 6, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Manabu Yazaki, Tatsuya Choji, Naoki Ito
  • Patent number: 11888356
    Abstract: A motor drive system with a rotor assembly having an insert, which is received into a blind hollow rotor space in a rotor shaft. The insert is unitarily and integrally formed and defines a central hole, which is disposed along a rotational axis of the rotor assembly, and a plurality of slots that extend through an outer circumferential surface of the insert. The insert is disposed in the rotor shaft such that the outer circumferential surface of the insert is engaged to the inside circumferential surface of the rotor shaft. The central hole forms a first fluid passage through the insert, while the slots form a plurality of second fluid passages through the insert.
    Type: Grant
    Filed: March 1, 2023
    Date of Patent: January 30, 2024
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Jeffrey J. Ronning, James P. Downs, John Morgante, Peter D. Fischer, David Crecelius, Zugang Huang, Paul J. Valente
  • Patent number: 11881743
    Abstract: A rotor arrangement for an electric motor is disclosed. The rotor arrangement comprises a first rotor comprising a hollow cylinder and a cylindrical rotor stack shrink-fitted onto the hollow cylinder. The first rotor comprises a first end plate attached to a first end portion of the hollow cylinder. The rotor arrangement further comprises a rotor shaft comprising a first shaft member and a second shaft member arranged coaxially to the first shaft member. The first shaft member is connected to a connection portion of the first end plate. The rotor arrangement comprises a second rotor connected to the second shaft member. The present disclosure further relates to an electric propulsion motor arrangement, a vehicle, and a set of rotors for electric motors.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: January 23, 2024
    Assignee: Scania CV AB
    Inventors: Christian Ness, Stefan Karlsson, Christer Wallen, Jörgen Forsberg
  • Patent number: 11870321
    Abstract: A motor according to an embodiment includes a shaft as a rotation axis, a rotor, a bearing, and a spring member. The rotor is fixed to the shaft. The bearing is disposed opposite to the rotor in the rotation axis direction and rotatably supports the shaft. The spring member is disposed between the rotor and the bearing and includes a first end portion fixed to the rotor.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: January 9, 2024
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Hirotake Nishino, Takayuki Yamasaki