Patents Examined by Eric Johnson
  • Patent number: 12003162
    Abstract: A terminal assembly includes: a body part; and a first bus bar and a second bus bar, each of which is at least partially inserted into the body part. A first end section of two opposing end sections of the first bus bar with respect to a radial direction (R) of the body part is inserted into the body part. A second end section of two opposing end sections of the second bus bar with respect to the radial direction (R) of the body part is inserted into the body part. A direction in which the first end section extends intersects with a direction in which the second end section extends.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: June 4, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Min Koo Kim
  • Patent number: 11990805
    Abstract: A transverse flux electric motor includes a stator including coils configured to carry current and a rotor arranged to interact with the stator. The rotor is configured to produce a torque for driving rotation of the rotor. The transverse flux electric motor has an active parts mass, mact, equal to a cumulated mass of components of the transverse flux electric motor that contribute to the production of the torque. The transverse flux electric motor has an active parts torque density, ?act, defined as a peak rated torque, ?peak, divided by the active parts mass, mact. The transverse flux electric motor has a power factor equal to cos(?), wherein ? is a steady-state phase difference between a stator coil current and a stator coil voltage, and wherein the transverse flux electric motor has a machine parameter ? that is greater than or equal to 65 Nmkg?1, where ? equals ?act/cos(?).
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: May 21, 2024
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventors: Ellis F H Chong, Andreas Reeh, Johannes Gabriel Bauer, Anton Rudenko
  • Patent number: 11973408
    Abstract: The invention relates to an assembly (10) comprising a vibrating source (20) capable of dissipating vibrational energy (ev); a radiating source (30) capable of generating acoustic waves from the vibrational energy (ev); at least one compressible member (40) which is in contact with the vibrating source (20) and the radiating source (30); the assembly (10) being characterised in that the compressible member (40) is mounted so as to be compressed between the vibrating source (20) and the radiating source (30) in such a way as to dampen the acoustic waves.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: April 30, 2024
    Assignee: VALEO SYSTEMES THERMIQUES
    Inventors: Thibaud Matharan, Olivier Cheriaux, Laurent Brosseron, Adil Sbiy, Clara Degorce-Dumas, Clémence Kwaczewski
  • Patent number: 11973385
    Abstract: A vertical take-off and landing (VTOL) aircraft is provided. The VTOL aircraft includes at least one electrical propulsion unit (EPU), wherein an EPU of the at least one EPU includes a propeller or a fan. The EPU further includes an electric motor including a stator having insulated coils for carrying current and a rotor arranged to interact with the stator, such that a torque for driving rotation of the propeller or the fan is produced.
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: April 30, 2024
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventors: Ellis F H Chong, Andreas Reeh, Johannes Gabriel Bauer, Anton Rudenko
  • Patent number: 11962194
    Abstract: A rotating electric machine includes a field system and an armature. The field system includes a magnet section having a plurality of magnetic poles whose polarities alternate in a circumferential direction. The armature includes a multi-phase armature coil. Either of the field system and the armature is configured as a rotor. The magnet section is configured to have an easy axis of magnetization oriented such that the closer the position to a d-axis in the circumferential direction, the more the direction of the easy axis of magnetization becomes parallel to the d-axis.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: April 16, 2024
    Assignee: DENSO CORPORATION
    Inventor: Yuki Takahashi
  • Patent number: 11962197
    Abstract: The rotor with a non-through shaft for an electrical machine comprises a cylindrical magnetic mass gripped between two half-shafts each comprising a mounting flange connected to the magnetic mass. Each half-shaft is made in a single piece and comprises a coupling flange located opposite the mounting flange.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: April 16, 2024
    Assignee: GE Energy Power Conversion Technology Limited
    Inventors: Christophe Galmiche, Jean-Francois Pradurat, Fabien Roche
  • Patent number: 11962198
    Abstract: Provided is a high-quality electric motor which can be manufactured at a high yield rate. An electric motor comprises a stator which is housed in a motor case, and a rotor which is provided with a shaft and a rotor body section. The shaft is rotatably supported by the motor case, and the rotor body section has a ring magnet disposed inside the stator. A magnet cover into which the rotor body section is inserted has a circular cylinder section which covers the outer peripheral surface of the ring magnet, a turned-back section which is in contact with an end surface of the rotor body section, and a fastening end section which is fastened to a flange section provided to the shaft so as to cover an end surface. An engagement latch section engaging with the rotor is provided to the turned-back section.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: April 16, 2024
    Assignee: MITSUBA Corporation
    Inventor: Naoyuki Miyashita
  • Patent number: 11955847
    Abstract: An electric motor includes a stator and a rotor which is rotatably mounted relative to the stator about a motor axis. The electric motor further includes an inclination measuring unit at least one sensor and one sensor electronics, said at least one sensor being arranged in a fixed position and orientation relative to the stator, said sensor electronics controlling said at least one sensor, and said at least one sensor being configured for generating measured values, which allow conclusions to be drawn about the spatial orientation of the sensor and thus conclusions about the spatial orientation of the electric motor. The electric motor can be part of a fan. Furthermore, there is disclosed a corresponding motor electronics configured for controlling such an electric motor.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: April 9, 2024
    Assignee: ZIEHL-ABEGG SE
    Inventor: Joachim Schmezer
  • Patent number: 11955869
    Abstract: A detection device of the present invention is provided with: a housing; a circuit substrate disposed in the housing; a sensor which is electrically connected to the circuit substrate and detects information of an object to be measured; a connector terminal which is formed integrally with the circuit substrate and electrically connected to an external terminal; and a tubular connector which is formed integrally with the housing, surrounds a periphery of the connector terminal, and is fitted in the external connector. Through this configuration, the reduction in the number of components, the reduction in cost and weight, the simplification of structure, and other effects can be achieved.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: April 9, 2024
    Assignee: MIKUNI CORPORATION
    Inventors: Ichiro Tsuji, Masaki Hiei
  • Patent number: 11949290
    Abstract: A motor includes a rotor and a stator provided to surround the rotor. The rotor has a rotor core having a magnet insertion hole and a permanent magnet disposed in the magnet insertion hole and is rotatable about a rotation axis. The stator has a stator core with a tooth facing the rotor, and a coil wound around the tooth. The permanent magnet has a thickness thicker than or equal to 2.1 mm in a direction in which the permanent magnet faces the stator and is magnetized in a direction of the thickness. A minimum gap AG (mm) between the rotor and the stator, a winding number Nt of the coil around the tooth, an overcurrent threshold Ip (A) for a current flowing through the coil, and a lower limit Hct (kA/m) of a coercive force of the permanent magnet satisfy Hct?0.4×(Ip×Nt/AG)+410.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: April 2, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takaya Shimokawa, Hiroki Aso, Ryogo Takahashi, Kazuma Nomoto
  • Patent number: 11942851
    Abstract: A system for cooling a hermetic motor includes a motor cooling refrigerant flow path configured to direct refrigerant from a condenser disposed along a refrigerant loop to a hermetic motor, and from the hermetic motor back to the refrigerant loop, and a housing of the hermetic motor disposed along the motor cooling refrigerant flow path and configured to receive the refrigerant from the condenser, wherein the housing of the hermetic motor comprises an annulus surrounding at least a portion of a stator of the hermetic motor, and wherein the annulus comprises a plurality of openings configured to direct refrigerant toward the stator and into a cavity of the housing of the hermetic motor.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: March 26, 2024
    Assignee: Tyco Fire & Security GMBH
    Inventors: Katelynn Louise Crissman, Ian Michael Casper, David Andrew Bradshaw, Matthew Lee Heisey, Tyler Alexander Wolgemuth, Paul William Snell
  • Patent number: 11936246
    Abstract: Provided is an axial flux motor including a rotor having a wound ribbon core, the wound ribbon core including a metal amorphous nanocomposite material. The axial flux motor further includes a stator assembly spaced apart from the rotor along a rotation axis of the rotor. The stator assembly includes a body including a metal amorphous nanocomposite material and a plurality of permanent magnets substantially free of rare-earth materials. The plurality of permanent magnets is arranged on the body of the stator assembly.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: March 19, 2024
    Assignee: Carnegie Mellon University
    Inventors: Satoru Simizu, Paul Richard Ohodnicki, Jr., Michael Edward McHenry
  • Patent number: 11929649
    Abstract: The rotating electric machine includes: a rotor; and a stator, wherein the rotor includes: a rotor core having a magnet insertion hole group including a plurality of magnet insertion holes; and a permanent magnet group including a plurality of permanent magnets inserted in the plurality of magnet insertion holes of the magnet insertion hole group, respectively, wherein the plurality of magnet insertion holes are arranged side by side in a shape convex toward a center of the rotor from a radially-outer side surface of the rotor core, wherein the permanent magnet group forms one magnetic pole, wherein, in a part of the rotor core between the radially-outer side surface and the magnet insertion hole group, a magnetic slit is formed to extend in a shape convex toward the center of the rotor from the radially-outer side surface, and wherein the magnet insertion hole group includes three magnet insertion holes.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: March 12, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiroshi Mitsuda, Yoshihiro Miyama, Masaya Inoue, Masashi Nakamura, Moriyuki Hazeyama
  • Patent number: 11923750
    Abstract: An electric pump drive motor three-phase stator assembly (1) includes three sets of stator segments (Si,j), configured in a ring about a stator axis (R). Each set includes n?2 stator segments arranged in an n-fold rotational symmetry about the stator axis. Each stator segment includes a coil (3) having a first coil wire end and a second coil wire end. A plurality of 3n?3 connection wires (Wi,k) connect coils of a respective set of stator segments in series. A first and a second interposed stator segment are arranged in circumferential direction between the two connected coils of the respective set of stator segments. 3n?5 of the connection wires span across the first interposed stator segment at a distance (r1) to the stator axis and across the second interposed stator segment at a second distance (r2) to the stator axis (R). The second distance is larger than the first distance.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: March 5, 2024
    Assignee: GRUNDFOS HOLDING A/S
    Inventors: Steen Mikkelsen, Keld Folsach Rasmussen
  • Patent number: 11923748
    Abstract: An improved efficiency cooling plate apparatus for full-scale clean fuel electric-powered aircraft having a cooling body including a plurality of bores, apertures and interior chambers working together to process and circulate fluid coolant and function as a heat sink device, interconnecting with the cooling system of an electric motor and cooperatively functioning to transfer thermal energy away from the electric motor using conduction, convection and radiation, while transporting heated fluid coolant away from heated motor components and to other components of a vehicle for further processing, then returning cooled fluid coolant into the cooling system of an electric motor, effectively partitioning heated fluid coolant, cooled fluid coolant, and electrical circuitry in a space saving design formed from a single part or minimal number of parts to reduce modes of failure and reduce required fasteners or connections to improve robustness and reliability while maintaining suitable aerodynamic characteristics.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: March 5, 2024
    Assignee: Alakai Technologies Corporation
    Inventor: Brian D. Morrison
  • Patent number: 11923747
    Abstract: The invention relates to an electric motor comprising a stator (A) with an insulation, a rotor, and an electronics and/or terminal housing (1) comprising a bottom (4), in which electrical/electronic components provided for the operation of the electric motor are housed. The electronics and/or terminal housing (1) is permanently connected to the stator (A) by means of an overmould (17b) so as to form a stator unit, the bottom (4) of the electronics and/or terminal housing (1) being at least partially covered by the overmould (17b) on its upper side. The overmould is not only provided for the stator, but is used at the same time as a connection means for connecting the electronics and/or terminal housing to the wound stator. Additional connection parts are not required as a result. The stator packet is first wound and then inserted into an injection mould with the electronics housing (1). Then, a heat-conductive, electrically insulating plastic is used to form the overmould (17b).
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: March 5, 2024
    Assignee: Ziehl-Abegg SE
    Inventor: Joachim Schmezer
  • Patent number: 11916460
    Abstract: The present invention may provide a motor including a housing, a stator busbar, and a terminal part connected to the busbar, wherein the busbar includes a first terminal, the terminal part includes a terminal body and a second terminal connected to the first terminal, the terminal body includes a body disposed to be spaced apart from an upper end of the housing and legs which extend from the body and are in contact with the housing, a width of each of the legs in a circumferential direction is smaller than a width of the body in the circumferential direction, the first end portion is disposed between the rotor and an inner circumferential surface of the housing in a radial direction, and the second end portion is disposed between a lower surface of the body and the upper end of the housing in an axial direction.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: February 27, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Se Jong Kim
  • Patent number: 11911792
    Abstract: A capacitive transducer is provided. The capacitive transducer includes a plate including a protruding center mass and a substrate with a center depression configured to accept the center mass. The capacitive transducer also includes a first electrode coupled to a non-horizontal edge surface of the center mass and a second electrode coupled to a non-horizontal edge surface of the center depression. The capacitive transducer further includes a third electrode coupled to a horizontal edge surface of the center mass and a fourth electrode coupled to a horizontal edge surface of the center depression. The plate is coupled to the substrate at least along an outer perimeter area of the plate and the substrate.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: February 27, 2024
    Assignee: GE Precision Healthcare LLC
    Inventors: Rupak Bardhan Roy, Edouard Da Cruz, Frederic Lanteri, Omid Farhanieh, Jean-François Gelly, Flavien Daloz
  • Patent number: 11888376
    Abstract: A rotary electric machine unit including a rotary electric machine, and an electric power conversion device having a plurality of power modules. The rotary electric machine includes a stator, a rotor, and a housing. The housing includes a housing flow path through which a refrigerant flows. The power modules of the electric power conversion device and the rotary electric machine are configured to be cooled by the refrigerant.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: January 30, 2024
    Assignee: DENSO CORPORATION
    Inventors: Ryota Tanabe, Yuta Hashimoto, Tomohisa Sano, Tomoyuki Shinkai
  • Patent number: 11870304
    Abstract: The present invention provides a rotary electric machine with improved reliability by suppressing a partial increase in surface pressure generated in a stator using a housing with improved roundness. The rotary electric machine of the present invention has a rotor, a stator, and a tubular housing for fixing the stator from an outer peripheral side. The housing has a flange extending in an outer peripheral direction at an axial end portion of an outer peripheral surface, and the flange has a recess extending in a circumferential direction.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: January 9, 2024
    Assignee: Hitachi Astemo, Ltd
    Inventors: Shinjirou Watari, Shinji Yamazaki, Mohdbasir Zulaika