Brush Holders Or Rigging Patents (Class 310/239)
  • Patent number: 12021419
    Abstract: An electronic module includes a first supporting element, a second supporting element, and a plurality of components arranged on the first supporting element and the second supporting element. The first supporting element and the second supporting element are electrically conductively connected, and the second supporting element forms an intermediate chamber in which the first supporting element is arranged.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: June 25, 2024
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventor: Torsten Franke
  • Patent number: 11996664
    Abstract: A brush assembly for use in a brush holder assembly of an electrical machine is disclosed. The brush assembly includes a carbon brush, an electrically conductive terminal and an electrically conductive lead assembly attached to both the carbon brush and the electrically conductive terminal. In some instances, the electrically conductive lead assembly includes a spliced union located between the electrically conductive terminal and the carbon brush and spaced away from both the electrically conductive terminal and the carbon brush. In some instances, the electrically conductive terminal includes an inner core layer positioned between a first conductive metal layer and a second conductive metal layer.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: May 28, 2024
    Assignee: CUTSFORTH, INC.
    Inventors: Robert S. Cutsforth, Kurtis Jeremy Schultz
  • Patent number: 11929645
    Abstract: A direct drive drive actuator includes a base structure and a driven structure that is journally supported and translatable relative to the base structure. The driven structure is disposed in a fixed spatial relationship to the base structure. A plurality of first pole arrays is disposed on the driven structure. A plurality of second pole arrays, corresponding in number to the plurality of first pole arrays is disposed on the base structure. An electrical power source is provided. A controller is coupled to the power source and the first plurality of pole arrays and the second plurality of pole arrays, wherein the controller is configured to selectively electrically energized windings of the first plurality of pole arrays and the second plurality of pole arrays such that an electro-magnetic force is formed between poles of the first plurality of pole arrays and poles of the second plurality of pole arrays.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: March 12, 2024
    Assignee: GENERAL DYNAMICS LAND SYSTEMS—CANADA CORPORATION
    Inventor: Mark Gojkovic
  • Patent number: 11916371
    Abstract: Disclosed is an anti-pinch control system. The anti-pinch control system includes a motor configured to generate driving force for moving a seat of a vehicle, a current measurement sensor configured to measure a current value generated in the motor, a hall sensor configured to measure a revolution per minute (RPM) of the motor, and a controller configured to derive an average of current values measured by the current measurement sensor during an edge generating time during which a specific number of edges are generated by the hall sensor, and to set, to an anti-pinch value, a value obtained by adding a rising value, corresponding to current that increases when a pinch occurs in the seat, to the average, wherein the controller derives the average for each specific RPM and updates the anti-pinch value.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: February 27, 2024
    Assignee: HYUNDAI TRANSYS INC.
    Inventor: Ho Cheoul Lee
  • 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: 11831114
    Abstract: A brush assembly (100) for a slip ring assembly of a rotating electrical machine, having at a brush holder (120) defining a cage into which a brush (103) slides; and a rod (101) extending along a second axis (D2) parallel to the first axis, for supporting the brush holder. One of the rod and the brush holder defines a recess (121), the other has a portion sized to be received into the recess the mating portion (105), the recess defined by a first wall (123, 124) disposed for abutment against the mating portion when, the mating portion received in the recess, the brush holder is driven longitudinally along the rod parallel to the second axis. The recess is defined by a second wall (122) disposed for abutment against mating portion when, the mating portion received in the recess, the brush holder is driven tangentially around the second axis.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: November 28, 2023
    Assignee: MERSEN Osterreich Hittisau Ges.m.b.H
    Inventors: Wolfgang Eberle, Klaus Greiderer
  • Patent number: 11796907
    Abstract: Electrical contact assemblies for use in rotating video camera heads are disclosed. A contact assembly may include a first element movable relative to the camera head's housing on which an imager is disposed, a second element rotationally movable relative to the first element, and a slip ring including one or more PCB brush elements to transfer imager signals to an output connector.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: October 24, 2023
    Assignee: SeeScan, Inc.
    Inventors: Eric M. Chapman, Mark S. Olsson, Nicholas A. Smith, Alexander L. Warren
  • Patent number: 11780419
    Abstract: An electromagnetic brake to restrict or prevent movement of a motor in a vehicle brake system, the electromagnetic brake includes: a core; a static plate; a moving plate located between the core and the static plate; a rotor located between the core and the moving plate; one or more legs that extend from the core; and one or more fasteners that connect the one or more legs to the static plate, the core includes a cylindrical portion and a flange that extends around the cylindrical portion, the one or more legs extend from the flange radially around the cylindrical portion.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: October 10, 2023
    Assignee: AKEBONO BRAKE INDUSTRY CO., LTD
    Inventor: Carla Thomas
  • Patent number: 11757326
    Abstract: 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: Grant
    Filed: May 13, 2021
    Date of Patent: September 12, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Yeong Woo Seo, Jong Bin Park, Jong Jin Park
  • Patent number: 11715997
    Abstract: An object of the present invention is to provide a structure capable of stably removing noise. A DC motor includes: a brush in sliding contact with a commutator; a brush holder base holding the brush; a flexible wiring connected to the brush; and a choke coil connected to the brush via the wiring, wherein the brush holder base has a clamping portion restraining the wiring to extend along a direction parallel to a direction of a magnetic flux generated in the choke coil.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: August 1, 2023
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Takafumi Saito, Yasuo Saito, Daisuke Yamashita, Keijirou Okabe
  • Patent number: 11674911
    Abstract: In an embodiment, a system for wear monitoring, includes a wear surface, a metallic reflector embedded in the wear surface, a radio-wave transmitter, and a radio-wave receiver. The metallic reflector reflects radio waves transmitted by the radio-wave transmitter for detection by the radio wave receiver. Attenuation of the radio waves between transmission by the radio-wave transmitter and detection by the radio-wave receiver indicates a degree of wear of the wear surface.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: June 13, 2023
    Assignee: REI, Inc.
    Inventors: Daniel J. Brunner, Randy Richardson, Robert Koontz, Alex Schumacher, Jeffrey J. Schwoebel, Randall Johnson
  • Patent number: 11616413
    Abstract: Example brush holder assemblies of an electric machine are disclosed. An example brush holder assembly of an electric machine includes a carbon brush including an upper surface and a lower surface opposite the upper surface. The brush holder assembly also includes one or more lead wires extending out of the carbon brush at an insertion point on the upper surface and a first cavity extending into the carbon brush from the upper surface at a location spaced away from the insertion point of the one or more lead wires and unobstructed by the one or more lead wires.
    Type: Grant
    Filed: May 4, 2022
    Date of Patent: March 28, 2023
    Assignee: CUTSFORTH, INC.
    Inventors: Robert S. Cutsforth, Dustin L. Cutsforth, David William Drury Harrison, Douglas Christopher Bruey
  • Patent number: 11577708
    Abstract: Disclosed is a hydraulic control apparatus of a brake system including a modulator block having a motor bore, and a motor including a cover that covers an opening of a case accommodating a stator and a rotor and is supported on one side of the modulator block, wherein a vent hole for air flow between the inside and the outside of the motor is formed on the cover and a communication passage for communicating the motor bore and the vent hole is formed in the modulator block.
    Type: Grant
    Filed: May 4, 2022
    Date of Patent: February 14, 2023
    Assignee: HL Mando Corporation
    Inventor: Ju Sung Lee
  • Patent number: 11569625
    Abstract: A system for transferring current between a rotating element and a fixed element, comprising—a support in the general shape of a sheet (10) comprising a conductive portion (11) electrically connected to the fixed element, —a brush holder (20) mounted on the support (10) and supporting a brush (30) that is pushed into contact against the rotating element, —electrical connection means (42) for connecting the conductive portion (11) of the support to a cable (40) that is joined to the brush (30), wherein a resistive element (12) is situated between the brush (30) and the conductive portion (11) of the support (10) and prevents current from flowing directly between the conductive portion and the brush.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: January 31, 2023
    Assignee: MERSEN FRANCE AMIENS SAS
    Inventors: Geoffroy Berard, Radjy Ramlall, Olivier Bernard
  • Patent number: 11557952
    Abstract: A torque motor assembly includes a shell which has a first wall and a second wall which defines a cavity. A torque motor is positioned at least partially within the cavity. At least one compliant pad is positioned between the first wall and the torque motor and is configured to trap at least one wire within the shell. A housing for a torque motor and a method of assembling a torque motor assembly are also disclosed.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: January 17, 2023
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Robert DeFelice, David J. Zawilinski
  • Patent number: 11557942
    Abstract: An actuator device for adjusting an adjusting element may include a housing, an actuator for driving the adjusting element, and a drive circuit for operating the actuator. The housing may include a support body that may include a drive receiving space and a gear receiving space. The drive circuit may include a plurality of electrically conductive conductor bodies for contacting a plurality of drive contacts of the actuator, for contacting a plurality of components of the drive circuit, and for contacting a supply device. At least one conductor body of the plurality of conductor bodies may be structured as a contact tongue, arranged on the drive circuit, and abut on an electrically conductive actuator housing in a pretensioned manner establishing an electrical contact between the drive circuit and the actuator housing. The actuator housing may be configured as at least one of a zero-ground potential and a reference potential.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: January 17, 2023
    Inventor: Peer Niekamp
  • Patent number: 11552526
    Abstract: An electric actuator assembly is proposed. The electric actuator assembly includes: a brush card assembly provided with a brush card part in which a plurality of terminals is molded through insert injection molding; a motor assembly coupled to the brush card assembly and electrically connected thereto; a housing provided with a coupling part into which the brush card assembly is inserted, having a circuit board provided with a connector, and having a gear assembly for receiving power from the motor assembly and transmitting the power to outside, the circuit board and the gear assembly being installed in the housing, wherein terminal holes through which the plurality of terminals passes and a coupling hole into which a part of the brush card part is inserted are separately provided in the coupling part.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: January 10, 2023
    Assignee: KEYANG ELECTRIC MACHINERY CO., LTD.
    Inventors: Seong soo Kim, Seung tae Yun, Jin seok Lee
  • Patent number: 11545868
    Abstract: An electric motor, in particular a separately excited synchronous motor, has a rotor shaft with at least one slip ring and at least one electrically conductive contact element, in particular a carbon brush, which bears against the slip ring and is accommodated in a channel-like guide formed in a housing and extending radially with respect to the rotor shaft and which carbon brush is radially tensioned against the slip ring by means of a spring element, wherein a roller is provided which is tensioned laterally against the contact element via a further spring element and via which the contact element is tensioned against a wall of the guide.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: January 3, 2023
    Inventors: Michael Schwarzer, Peter Maischak, Eike Janssen, Benjamin Weis
  • Patent number: 11534029
    Abstract: A bar blender comprises a blender blade driven by a motor (16) in a main housing (10). The handle (12) of the housing has a motor speed control button (14). A separate visual display on the housing shows the user the speed setting corresponding to the current position of the control button. The visual display is based on a mechanical linkage between the control button and the visual display to cause a display element to follow the button as it is moved by the user. This is provides a simple and reliable feedback to the user.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: December 27, 2022
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventor: Albert Quinesser
  • Patent number: 11518049
    Abstract: A rotary module includes a first outer tube, a first member in which a function of the channel is maintained when a first outer tube rotates relative to a first inner tube, the channel coupling an outside of the first outer tube and an inside of the first inner tube, and a second member in which electrical coupling between the first terminal provided on an inner circumference surface of a second outer tube and the second terminal provided on an outer circumference surface of a second inner tube is maintained when the second outer tube rotates relative to the second inner tube, wherein the first outer tube and the second outer tube are fixed, the first inner tube and the second inner tube are fixed, and the first member and the second member are arranged along the same axis as each other.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: December 6, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Keitaro Hashizume
  • Patent number: 11509185
    Abstract: The present disclosure describes an electrical machine. The Electrical machine includes a stator, a rotor, a winding fitted to the rotor, and an apparatus for supplying electrical energy to the winding. The apparatus includes a slip ring and a brush assembly including a brush holder and a brush. The slip ring and the brush assembly are arranged in a housing. An annular gap is disposed between the slip ring and the housing. The housing is fluidically substantially sealed in relation to an exterior, and a flow path of air is routed through the housing in a closed arrangement. The housing includes a housing part fluidically connected to the annular gap via a first flow opening and a second flow opening. A flow section of the flow path is routed through the housing part, and leads from the first flow opening to the second flow opening.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: November 22, 2022
    Inventors: Predrag Borkovic, Vanja Pahor-Kos, Marko Pavsic, Ales Turel
  • Patent number: 11502469
    Abstract: A shunt extends from a brush received by a brush box of a brush holder. The first end of the shunt can be connected to the brush, and the second end of the shunt can connect to the brush holder. A lever connects to a back plate of the brush holder, and the lever may reversibly and selectively rotate between a first position and a second position; the lever can have a distal portion, and the second position of the lever secures a portion of the shunt between the distal portion of the lever and another component of the brush holder. The secured portion of the shunt can restrict downward movement of the brush in the brush box, while a spring pushes downward on the brush in the brush in the brush box, to thereby fixedly position the brush in the brush box.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: November 15, 2022
    Assignee: TRANSPORTATION IP HOLDINGS, LLC
    Inventor: William E. Stewart
  • Patent number: 11485036
    Abstract: An edge trimming mechanism of an edge banding machine capable of removing scraps includes a cutting device and an air guiding cover. The cutting device includes a motor having a power outputting shaft, and a cutter mounted at an end of the power outputting shaft. The air guiding cover is hollow-shaped, installed outside the motor, and has air inlet and outlet. The power outputting shaft protrudes out of the air inlet and the cutter is at least partially located out of the air inlet. An air exhausting path is defined between the inner wall of the air guiding cover and the outer wall of the motor. Two opposite ends of the air exhausting path communicate with the air inlet and outlet respectively. By the above-described configuration of the edge trimming mechanism, it is effective in removing the scraps produced by the edge banding machine in the edge trimming process.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: November 1, 2022
    Assignee: OAV EQUIPMENT AND TOOLS, INC.
    Inventor: Yen-Tsung Chang
  • Patent number: 11480004
    Abstract: A spindle drive assembly for opening or closing a vehicle flap, having a spindle drive assembly housing extending along a spindle drive axis and a spindle drive motor arranged in the spindle drive assembly housing. The motor shaft of the spindle drive motor is arranged substantially coaxially with the spindle drive axis. Furthermore, the spindle drive motor is supported in the spindle drive assembly housing in a rotationally fixed manner in relation to the spindle drive axis by an interlocking fit. In addition, a vehicle flap with such a spindle drive assembly.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: October 25, 2022
    Assignee: U-SHIN DEUTSCHLAND ZUGANSGSSYSTEME GMBH
    Inventors: Frank Kummer, Eric Bittner, Nicolas Lejeune
  • Patent number: 11424663
    Abstract: A motor includes a commutator, a bracket including a conductive brush, first and second wall parts, and first and second deformable parts. The conductive brush is in contact with the commutator. The first wall part includes a first surface extending along a first surface of the conductive brush. The second wall part includes a second surface extending along a second surface of the conductive brush located on a side opposite the first surface of the conductive brush. The first deformable part is in contact with both the first surface of the conductive brush and the first surface of the first wall part, and is deformable in response to movement of the conductive brush. The second deformable part is in contact with both the second surface of the conductive brush and the second surface of the second wall part, and is deformable in response to movement of the conductive brush.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: August 23, 2022
    Assignee: MINEBEA MITSUMI INC.
    Inventors: Koichiro Hirabayashi, Akiko Ikuta, Yukimasa Matsumura, Kazuaki Sato, Minoru Kuroda, Bora In
  • Patent number: 11384776
    Abstract: An electric pump includes a pump housing, a rotor assembly, a stator assembly, an isolation sleeve, a heat dissipation plate and an electric control board. The pump housing defines a pump inner chamber; the pump inner chamber is partitioned into a first cavity and a second cavity by the isolation sleeve; the rotor assembly is disposed in the first cavity; the stator assembly and the electric control board are disposed in the second cavity; the isolation sleeve comprises a bottom portion; at least a portion of the heat dissipation plate is disposed between the electric control board and the bottom portion; at least a portion of the bottom portion and at least a portion of the heat dissipation plate are in direct contact, or are filled with thermal silicone grease or thermal silica therebetween, or are provided with a thermal patch therebetween.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: July 12, 2022
    Assignee: Zhejiang Sanhua Intelligent Controls Co., Ltd.
    Inventors: Junfeng Bao, Qiang Ning
  • Patent number: 11387724
    Abstract: The dual rotor electric machine comprises: a stator having one or more slots and one or more stator windings. The dual rotor electric machine further comprises a first rotor arranged to rotate relative to the stator with an airgap therebetween. The first rotor comprises a first rotor excitation element having one or more magnetic pole pairs arranged to interact with the stator windings, the first rotor configured to rotate about an axis (X). The dual rotor electric machine further comprises a second rotor arranged to rotate relative to the stator with an airgap therebetween. The second rotor comprises a second rotor excitation element having one or more magnetic pole pairs arranged to interact with the stator windings, the second rotor being configured to rotate about the axis (X).
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: July 12, 2022
    Assignee: ROLLS-ROYCE PLC
    Inventors: Ziqiang Zhu, Huayang Li, Ellis F H Chong
  • Patent number: 11351970
    Abstract: Disclosed is a hydraulic control apparatus of a brake system including a modulator block having a motor bore, and a motor including a cover that covers an opening of a case accommodating a stator and a rotor and is supported on one side of the modulator block, wherein a vent hole for air flow between the inside and the outside of the motor is formed on the cover and a communication passage for communicating the motor bore and the vent hole is formed in the modulator block.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: June 7, 2022
    Assignee: Mando Corporation
    Inventor: Ju Sung Lee
  • Patent number: 11283324
    Abstract: A drive device for a hydraulic pump of a braking system for a motor vehicle includes a housing, a rotor, a rotor shaft mounted in the housing and supporting the rotor, and a commutator arranged in the housing. The commutator includes at least one commutator brush held by a brush holder. The commutator brush cooperates with a commutator ring arranged on the rotor shaft in a non-rotatable manner. The brush holder includes a sealing ring assigned to the commutator which is arranged coaxially to the rotor shaft and interacts with the rotor shaft in a sealing manner.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: March 22, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Edgar Kurz, Juergen Haecker, Massimiliano Ambrosi, Michael Eisenlauer, Wolfgang Schuller
  • Patent number: 11251675
    Abstract: A motor includes a rotor, a back cover, a housing, and a brush card assembly. The rotor includes a core fixed to a shaft, a coil that magnetizes a core, and a commutator connected to the coil. The back cover includes a back cover bottom surface portion, and a back cover cylindrical portion on an outer periphery of the back cover bottom surface portion to have a cylindrical shape. The brush card assembly includes a brush card bottom surface portion spaced apart from the back cover bottom surface portion in an axial direction through a first gap. The brush card bottom surface holds brushes and includes a nip portion nipped by the back cover and the housing, an outer peripheral wall spaced apart from the back cover cylindrical portion in a radial direction through a second gap, and contact portions contacting the back cover cylindrical portion.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: February 15, 2022
    Assignee: NIDEC CORPORATION
    Inventors: Shohei Osuga, Takahiro Hiwa, Yohei Miyata
  • Patent number: 11228230
    Abstract: This motor includes a yoke housing, a brush holder, a housing case and a circuit board. The brush holder holds a power supply brush and power supply terminals. The housing case has a board containing recess into which front end portions of the power supply terminals are inserted. The circuit board has terminals which are electrically connected to the power supply terminals within the board containing recess. The power supply terminals have terminal connection parts which linearly extend and are arranged in the board containing recess. The terminals are fork terminals which are electrically connected to the terminal connection parts. With respect to the terminal connection parts, portions closer to the base ends than terminal connected positions, where the terminals are connected, are covered by noise reduction member for reducing noise.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: January 18, 2022
    Assignee: DENSO CORPORATION
    Inventors: Kousuke Yamaura, Yoshiki Matsushita, Kazuto Kitou
  • Patent number: 11187971
    Abstract: Electrical contact assemblies for use in rotating video camera heads are disclosed. A contact assembly may include a first element movable relative to the camera head's housing on which an imager is disposed, a second element rotationally movable relative to the first element, and a slip ring including one or more PCB brush elements to transfer imager signals to an output connector.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: November 30, 2021
    Assignee: SEESCAN, INC.
    Inventors: Eric M. Chapman, Mark S. Olsson, Nicholas A. Smith, Alexander L. Warren
  • Patent number: 11165313
    Abstract: Provided is a decelerator-equipped motor unit which can achieve cost reductions in the control board and improvement of both mechanical and electrical reliability through a particular arrangement of elements on the board, thereby achieving a smaller size by realizing an appropriate board shape without increasing the size of the unit.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: November 2, 2021
    Assignees: MABUCHI MOTOR CO., LTD., CONTINENTAL AUTOMOTIVE GMBH
    Inventors: Junya Kurata, Satoshi Kikuchi, Bjoern Schmitz, Erwin Kessler, Gebhard Hopfmueller
  • Patent number: 11133633
    Abstract: Brush holder for electric traction motors for locomotives, included in the electrical field, refers to an improvement applied to a brush holder, used in electric traction motors for locomotives, which electric coupling device is especially adapted to sustain, support and press the brush over a commuter of an electric motor rotor, while its body is connected to electric connections, being said device structurally sustained by means of isolated shafts which are connected to the locomotive structure.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: September 28, 2021
    Assignee: Mersen Do Brasil Ltda.
    Inventor: Alexandre Castro
  • Patent number: 11088587
    Abstract: A motor provided with: a resin sealing member that is made from a resin and that covers a stator; and a cover member that is fixed to the resin sealing member. The protrusions protruding radially outward are formed on the resin sealing member. A part of the cover member on a Z2 direction side thereof is configured as a cylindrical cover section covering the resin sealing member from the outer circumferential side. The cover section has formed therein notch sections, engagement grooves that extend toward one side in the circumferential direction from the ends of the notch sections on a Z1 direction side and with which the protrusions engage, and a stopper restricting movement of the cover member toward the other side in the circumferential direction. The widths of the notch sections are wider than the widths of the protrusions in the circumferential direction.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: August 10, 2021
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Hiroki Kuratani, Takashi Yamamoto
  • Patent number: 11075564
    Abstract: A power tool includes a brush holder with a brush positioned more accurately with respect to a commutator. A grinder as a power tool includes a housing, a stator fixed to the housing, a rotor rotatable relative to the stator and including a commutator and a coil, a brush that comes in contact with the commutator, a brush-holding metal plate having a screw hole and holding the brush, and a screw extending through the screw hole and directly fastened to the housing.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: July 27, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Fuminari Fujii, Ryosuke Suzuki
  • Patent number: 10958124
    Abstract: A motor includes a rotor, a frame accommodating the rotor, a cover provided at one of two ends of the frame in a direction of a rotor axis, an internal space formed by the frame and the cover and a partition part partitioning the internal space into two spaces. The partition part includes an insertion portion. A part of the cover is inserted into the insertion portion.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: March 23, 2021
    Assignee: MINEBEA MITSUMI INC.
    Inventor: Minoru Kuroda
  • Patent number: 10951087
    Abstract: The electric brake motor unit has: a motor; a connector having a connector terminal; a first section extending in a first direction and having a first contact portion electrically connected to the connector terminal; a second section extending in the first direction and having a second contact portion electrically connected to a motor terminal; and an intermediate section extending in a second direction intersecting with the first direction between the first section and the second section. The electric brake motor unit is provided with: a bus bar in which the first section, the intermediate section, and the second section are connected in a crank shape; and a motor bracket mounted on the motor and having two positioning portions that are mutually separately positioned with a space through which the intermediate section passes and are used for positioning the intermediate section in the first direction.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: March 16, 2021
    Assignee: ADVICS CO., LTD.
    Inventors: Takahiro Ozawa, Yuichi Takeo, Yasuhito Hayashi
  • Patent number: 10903716
    Abstract: An electric working machine includes a motor, a circuit board having capacitors and choke coils for noise reduction, and a fixing tool for fixing the circuit board to a portion of a case of the motor including motor terminals for power feed. The circuit board includes input terminal members to receive an externally supplied driving power, and a ground connection member electrically coupled to the portion of the case. The capacitors couple the input terminal members to the ground connection member. The choke coils couple the input terminal members to the motor terminals. The ground connection member is arranged in a certain area of the circuit board, which is one of areas on the circuit board defined by dividing the circuit board with a straight line crossing a rotational shaft and is an area where the input terminal members are located. The capacitors are mounted in the certain area.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: January 26, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Masaki Kamada, Fujio Nakano
  • Patent number: 10811932
    Abstract: In at least some implementations, an actuator includes a motor, an output rotated by the motor about an axis, and a housing having an interior in which the motor and electrical component are received. The housing includes a first housing part and a second housing part coupled to the first housing part to define at least part of the interior. The first housing part has a first mounting surface and the second housing part having a second mounting surface arranged to overlap the first mounting surface when the second housing part and first housing part are coupled together and wherein the first mounting surface and second mounting surface are both arranged at an acute angle relative to a plane perpendicular to the axis.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: October 20, 2020
    Assignee: Dura Operating, LLC
    Inventor: Jinseok Jeon
  • Patent number: 10718412
    Abstract: A sensor target of the present invention is mounted to a movable part (24), which is arranged in parallel with an output shaft (10a) of a motor (10), and is configured to perform a linear motion in a direction parallel to the output shaft (10a). The sensor target includes a magnet (73) and a magnet holder (74) configured to hold the magnet (73). One pair or a plurality of pairs of fitting claws (741) capable of being fitted to an outer peripheral surface of the movable part (24) are formed on the magnet holder (74).
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: July 21, 2020
    Assignee: NTN CORPORATION
    Inventors: Takushi Matsuto, Shinsuke Hirano, Atsushi Ikeda, Tomomi Ishikawa
  • Patent number: 10700485
    Abstract: The invention relates mainly to an assembly comprising a brush cage and a spiral spring (36), the spiral spring (36) comprising an axis (Y), a wound part (37) wound about the axis (Y) and an arm (39) extending from one end of the wound part (37), the brush cage comprising at least one lateral wall provided with an opening for the passage of the arm (39) through the lateral wall so that one end of the arm (39) can press against at least part of an end face of a brush, wherein the arm (39) comprises a first portion (391) of which the width (L5) measured along the axis (Y) is different from the width (L6) of the wound part (37) measured along the axis (Y) of the spiral spring (36).
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: June 30, 2020
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Marie-Ange Nalin, Pierre Mollon, Wilfried Pays, Maximilien Gentil, Alain Bost
  • Patent number: 10686348
    Abstract: There is provided an electric actuator including a motor, a first case having a first opening, a second case having a second opening that opens to the other side in the axial direction, a rotation sensor, and a plurality of bus bars which are electrically connected to a plurality of sensor terminals that extend from the rotation sensor and are held in the second case. The first and second cases are fixed to each other while the first opening and the second opening face each other in the axial direction, and parts connecting the plurality of bus bars and the plurality of sensor terminals are disposed at positions shifted from each other in a circumferential direction and radially outward from the rotation sensor. Among the plurality of connecting parts, at least one pair of adjacent connecting parts are disposed at positions different from each other in the radial direction.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: June 16, 2020
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Hiroshi Shirai, Toshiaki Nakamura, Yutaka Uematsu
  • Patent number: 10622775
    Abstract: A power supply apparatus for a field winding motor. A brush is disposed is a holder. An armature is connected to the brush and disposed in the holder. A slip ring is electrically connected to or disconnected from the brush. A support spring surrounds the brush between the slip ring and the armature. A coil is disposed outside of the holder so as to overlap the support spring and the armature. A first power terminal is connected to the brush and supplies a first driving current. A second power terminal is connected to the coil and supplying a second driving current.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: April 14, 2020
    Assignee: MANDO CORPORATION
    Inventors: Seung Young Park, Chung Seong Lee, Hyun Ku
  • Patent number: 10612595
    Abstract: A deep groove ball bearing assembly is disclosed. The assembly includes an inner bearing ring defining an inner race, an outer bearing ring defining an outer race, and a plurality of rolling elements supported on the inner race and the outer race. A shaft is supported on a radially inner surface of the inner bearing ring, and a housing is supported on a radially outer surface of the outer bearing ring. The assembly includes a contact surface on at least one of: the inner bearing ring, the outer bearing ring, the shaft, or the housing. The contact surface includes at least one lubrication groove.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: April 7, 2020
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Guihui Zhong, Marion Jack Ince, Venkata Kottapalli
  • Patent number: 10608499
    Abstract: A motor case of a vibration motor has a first tubular part and a first inward flange integrally formed in a flange shape in the inward direction from the upper opening end of the first tubular part. A rotary shaft 30 is supported in an upper oil-impregnated bearing and a lower oil-impregnated bearing, and an upper portion of the rotary shaft protrudes from the motor case. The rotary shaft is inserted into a soft washer, with the soft washer between the rotor unit and the upper oil-impregnated bearing. A weight is eccentrically fixed to the upper portion of the rotary shaft, and an attraction magnet is fixed to the motor case and attracts the weight toward the motor case side. A retainer, which prevents the upper oil-impregnated bearing from coming out in the upward direction, is formed on the motor case.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: March 31, 2020
    Assignee: Tokyo Parts Industrial Co., Ltd.
    Inventor: Hidekazu Imai
  • Patent number: 10587058
    Abstract: A terminal block connection structure for a rotary electric machine includes: a plurality of power lines configured such that respective first end portions are joined to stator coils of a plurality of phases of the rotary electric machine; terminal metal fittings provided in respective second end portions of the plurality of power lines; a terminal block to which the terminal metal fittings are fixed by respective fastening members; and a resin member integrated with an end part of at least one of the terminal metal fittings relative on an opposite side to the power lines across its corresponding fastening member. The terminal block is configured such that a plurality of power-source lines is connected to the terminal block and the terminal metal fittings are fixed to the terminal block by the respective fastening members so that the plurality of power lines is connected to the plurality of power-source lines, respectively.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: March 10, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yousuke Kurono, Yasuhiro Makido, Ryosuke Sasaki
  • Patent number: 10574013
    Abstract: The invention relates mainly to a brush cage (13) for a brush holder (10) of an electric motor comprising:—two lateral walls (26) and a connecting wall (28) connecting the two lateral walls (26),—in which cage at least one of the lateral walls (26) has an opening (43) for the passage of a spring arm,—the lateral wall (26) comprising the opening (43) having a length (L0) measured between a first end (51) intended to be furthest from a commutator and a second end (52) intended to be closest to the commutator, wherein the opening (43) comprises at least a first portion (431) between the two ends (51, 52) which widens out towards the second end (52).
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: February 25, 2020
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Marie-Ange Nalin, Maximilien Gentil, Alain Bost, Wilfried Pays, Pierre Mollon
  • Patent number: 10559996
    Abstract: A brush system of an electric motor, having a commutator, at least one brush that is guided within a brush duct and is provided with a connection line, and a spring element that exerts a spring force on the brush when the spring element is effectively connected thereto, such that the brush rests against the commutator; the brush duct includes a longitudinal duct slot inside which the connection line extends and which has a constriction that the connection line penetrates when the effective connection between the spring element and the brush is established.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: February 11, 2020
    Assignee: Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Wuerzburg
    Inventor: Michael Bock
  • Patent number: 10559997
    Abstract: In order to facilitate the assembly of the brush assembly and to improve the productivity, the brush device includes a positive side brush subassembly having a positive side brush for feeding a commutator, a positive side brush holder for holding the positive side brush, and a positive side plate to which the positive side brush holder is attached, and a negative side brush subassembly having a negative side brush for feeding the commutator, a negative side brush holder for holding the negative side brush, and a negative side plate to which the negative side brush holder is attached. The positive side brush subassembly and the negative side brush subassembly are combined with each other.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: February 11, 2020
    Assignee: DENSO CORPORATION
    Inventor: Takashi Hirabayashi