Patents Examined by Mohamad A. Musleh
  • Patent number: 11075027
    Abstract: A permanent magnet assembly for generating a homogenous and intense magnetic field includes can be adjusted for both transverse and axial gradients after completed assembly while field inhomogeneity is being measured. Gaps between pole piece bodies and pole tips are adjustable to adjust the transverse and axial gradients in a space between the pole tips.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: July 27, 2021
    Inventors: John C. Price, Hilton W. Chan
  • Patent number: 11075044
    Abstract: An electromagnetic relay includes a movable contact piece, a yoke, and a coil, the coil being provided with an iron core, wherein the yoke is L-shaped, and has a horizontal edge and a vertical edge; the yoke is disposed outside the coil, and the horizontal edge of the yoke is fixedly connected to the bottom of the iron core, and the vertical edge of the yoke is parallel to an axis of the iron core, wherein one side of the vertical edge of the yoke facing to the coil is provided with a plastic layer formed by means of injection molding, the plastic layer is provided between the yoke and the coil in an insulating manner.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: July 27, 2021
    Assignee: XIAMEN HONGFA SIGNAL ELECTRONICS CO., LTD.
    Inventors: Jiabin Lin, Qiyue Guo, Zhikun Wang
  • Patent number: 11069500
    Abstract: A contactor includes a first actuator, a compressive element moveably coupling the first actuator to a rigid portion of the contactor, a shaft configured to move toward the rigid portion when the contactor is in an energized state and to move away from the rigid portion when the contactor is in a de-energized state, a second actuator fixedly coupled to the shaft, and a common contact extending between the first actuator and the second actuator, the common contact being moveable with respect to a first contact, wherein the compressive element is configured to press the first actuator against the common contact, and wherein the first actuator is configured to electrically connect the common contact and the first contact when the contactor is in the de-energized state, and the second actuator is configured to electrically disconnect the common contact and the first contact when the contactor is in the energized state.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: July 20, 2021
    Assignee: Leach International Corporation
    Inventor: Kevin Chao
  • Patent number: 11070112
    Abstract: A sensor magnet includes: a first magnetic-pole part including a magnetic pole of first polarity; a second magnetic-pole part including a magnetic pole of second polarity; and an inter-pole part formed between the first magnetic-pole part and the second magnetic-pole part. A width of the inter-pole part is larger than both of a width of the first magnetic-pole part and a width of the second magnetic-pole part.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: July 20, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takaya Shimokawa, Kazuhiko Baba, Koji Yabe
  • Patent number: 11069463
    Abstract: In one or more embodiments, a system for operation in a generator mode comprises a cryocooler to cool a superconducting coil. The system further comprises a flux pump to provide flux to the superconducting coil. Also, the system comprises a shaft of a prime mover to receive torque to rotate a rotor. In addition, the system comprises the superconducting coil to electrically interact with a main stator coil through a rotating magnetic field. Further, the system comprises a control stator coil to receive a current from a controller and to electrically interact with a non-superconducting coil. In one or more embodiments, a magnitude, phase, and/or frequency of rotating magnetic fields of the superconducting coil and the non-superconducting coil is varied in comparison to a magnitude, phase, and/or frequency of the magnetic field produced by the superconducting coil alone to control a magnitude, phase, and/or frequency of an output voltage.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: July 20, 2021
    Assignee: The Boeing Company
    Inventors: John R. Hull, Shengyi Liu
  • Patent number: 11062832
    Abstract: A cavity is formed in a surface of a dielectric component on the permanent magnet side. The cavity has a bottom surface extending in a direction along one main surface and a side surface extending in a thickness direction crossing the bottom surface. At least a part of the permanent magnet is disposed in the cavity. A surface of at least a part of the permanent magnet disposed in the cavity is fixed to both of the bottom surface and the side surface through an adhesive.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: July 13, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Tetsuya Ueda, Hironobu Shibata, Yukinobu Tarui, Hidenori Ishibashi
  • Patent number: 11062867
    Abstract: An actuator for a medium voltage circuit breaker or recloser includes: at least one movable contact with a contact stem, driven by an electromagnetic drive or a motor drive; and a spring, the spring being positioned in a kinematic chain between the drive and the at least one movable contact or contact stem. An arrangement of the at least one movable contact and the electromagnetic drive or motor drive is coupled to a detection unit for detecting a micromotion activation in order to register an actual movability and availability of the electromagnetic drive or motor drive of the at least one movable contact without changing an actual switch position itself.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: July 13, 2021
    Assignee: ABB SCHWEIZ AG
    Inventor: Christian Reuber
  • Patent number: 11061086
    Abstract: A magnetic device may include a magnetic structure, a device structure, and an associated circuit. The magnetic structure may include a patterned layer of material having a predetermined magnetic property. The patterned layer may be configured to, e.g., provide a magnetic field, sense a magnetic field, channel or concentrate magnetic flux, shield a component from a magnetic field, or provide magnetically actuated motion, etc. The device structure may be another structure of the device that is physically connected to or arranged relative to the magnetic structure to, e.g., structurally support, enable operation of, or otherwise incorporate the magnetic structure into the magnetic device, etc. The associated circuit may be electrically connected to the magnetic structure to receive, provide, condition or process of signals of the magnetic device.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: July 13, 2021
    Assignee: Analog Devices Global
    Inventors: Alan J. O'Donnell, Robert Guyol, Maria Jose Martinez, Jan Kubik, Padraig L. Fitzgerald, Javier Calpe Maravilla, Michael P. Lynch, Eoin E. English
  • Patent number: 11049637
    Abstract: There is provided a pole-piece for a torque motor, the pole-piece comprising a first section formed separate from a second section, wherein the first section and the second section are configured to abut each other to form one or more lines of abutment on an outer surface thereof, and each line of abutment follows an S- or Z-shape when the first section abuts the second section.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: June 29, 2021
    Assignee: HAMILTON SUNSTRAND CORPORATION
    Inventors: Michał Bieleń, Jakub Sobol
  • Patent number: 11043869
    Abstract: A stator assembly includes a stator core, an insulated wire frame, a coil, and an annular insulation structure. The stator core includes a magnetic yoke portion and a radial tooth portion, and the radial tooth portion extends from the magnetic yoke portion. The insulated wire frame disposed outside the radial tooth portion of the stator core has a winding slot. The coil is wound in the winding slot of the insulated wire frame annularly. The annular insulation structure is formed by injection moulding and wraps an area where the coil is exposed out of the insulated wire frame, and the coil is packaged between the insulated wire frame and the annular insulation structure.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: June 22, 2021
    Assignee: CHICONY POWER TECHNOLOGY CO., LTD.
    Inventor: Wei-Min Hsu
  • Patent number: 11043346
    Abstract: An electromagnetic relay includes a base frame including a main body supporting a fixed element, and a bottom plate having a plate thickness direction in an extending direction orthogonal to a central-axis line direction. An intermediate cover includes a covering plate facing a contact mechanism unit. An outer cover includes a top plate facing the bottom plate across the contact mechanism unit, and a first side plate extending from one end of the top plate and facing the covering plate. A first gap between the covering plate and the bottom plate in the extending direction and a second gap between the covering plate and the top plate in the extending direction are arranged to be substantially symmetric across the covering plate in the extending direction, the first gap and the second gap being on the first side plate.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: June 22, 2021
    Assignee: DENSO ELECTRONICS CORPORATION
    Inventors: Tomoko Ishikawa, Makoto Kamiya
  • Patent number: 11037713
    Abstract: A helical superconducting undulator includes a cylindrical magnetic core through which a bore hole allows the passage of charged particles. A single superconducting wire wraps the magnetic core guided by helical flights and cylindrical protrusions, to create interleaved helical windings on the magnetic core. An electrical current may be supplied to the superconducting wire to generate a periodic helical magnetic field in the bore. The helical superconducting undulator also includes a strong-back enclosure that acts as an epoxy mold during epoxy impregnation, a structural support to ensure straightness of the undulator after epoxy impregnation, and assists in cooling and thermal control of the magnetic core and superconducting wire during device operation.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: June 15, 2021
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Efim Gluskin, Matthew Kasa, Yury Ivanyushenkov, Joel D. Fuerst
  • Patent number: 11037714
    Abstract: The disclosure relates to a method for operating a movement apparatus having a first assembly and a second assembly. The first assembly includes a base and several permanent-magnet arrangements that are connected to the base via actuators such that they move as a whole relative to the base in at least one degree of freedom by the assigned actuator, the second assembly including a base and a permanent-magnet arrangement arranged firmly relative to the base. Position controllers are provided, each with a controlled variable and with a correcting variable. The controlled variable is one of six possible degrees of freedom with regard to a relative position between the first and second assembly. The correcting variable represents a force or a torque that has been assigned to the degree of freedom. Desired positions of the actuators are computed from the correcting variables and the actuators are set accordingly.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: June 15, 2021
    Assignee: Robert Bosch GmbH
    Inventor: Joachim Frangen
  • Patent number: 11031202
    Abstract: A magnetic latching relay comprises a metal insertion portion of a contact portion and a slot of a base. The metal insertion portion is composed of two segments having different depth corresponding to the slot; when one segment is fitted to bottom wall of the slot, a preset gap is formed between the other segment and the bottom wall. The slot is formed by two segments having different thickness corresponding to the metal insertion portion; when two side walls of one segment of the slot are adapted to two sides of thickness of metal insertion portion, two side walls of the other segment of the slot and two sides of thickness of metal insertion portion respectively form a preset gap; one segment of metal insertion portions cooperates with the other segment of the slot, and the other segment of the metal insertion portion cooperates with one segment of the slot.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: June 8, 2021
    Assignee: Xiamen Hongfa Electric Power Controls Co., Ltd.
    Inventors: Shuming Zhong, Wenguang Dai, Guojin Liao
  • Patent number: 11031166
    Abstract: A switchable permanent magnetic unit is disclosed. The unit comprises: a housing, first and second permanent magnets, and a conductive coil. The first magnet is mounted within the housing and the second magnet is rotatable between first and second positions and mounted within the housing in a stacked relationship with the first magnet. The unit generates a first level of magnetic flux at a workpiece contact interface when the second magnet is in the first position and a second level of magnetic flux at the interface when the second magnet is in the second position, the second level being greater than the first level. The conductive coil is arranged about the second magnet and generates a magnetic field. A component of the conductive coil's magnetic field is directed from S to N along the second magnet's N-S pole pair when the second magnet is in the first position.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: June 8, 2021
    Assignee: Magswitch Technology Worldwide PTY LTD
    Inventors: David H. Morton, Thomas R. Whitt, Michael H. Reed, Michael C. Blanchard
  • Patent number: 11031164
    Abstract: Embodiments describe a receiving element that includes a ferromagnetic structure axially symmetrical around a central axis disposed along a length of the ferromagnetic structure. The ferromagnetic structure includes a groove region defining two end regions on opposing sides of the groove region, where the groove region has a smaller length than the two end regions. The receiving element also includes an inductor coil wound about the groove region of the ferromagnetic structure and in between the two end regions.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: June 8, 2021
    Assignee: Apple Inc.
    Inventors: Blake R. Marshall, Florence W. Ow, Joel N. Ruscher, Liquan Tan, Aidan N. Zimmerman, Reza Nasiri Mahalati, Hao Zhu, Qigen Ji, Madhusudanan Keezhveedi Sampath, Nan Liu, Robert Scritzky, Gianpaolo Lisi
  • Patent number: 11031203
    Abstract: A contact point device includes a first contactor, an oscillation supporting portion, and a second contactor. The first contactor has an outer side surface shaped in a column that surrounds a central axis. The oscillation supporting portion supports the first contactor to allow the central axis to oscillate. The second contactor is disposed opposite to the first contactor. One of the first contactor and the second contactor includes a plurality of first contact portions provided to surround the central axis on a plane perpendicular to the central axis, and the other includes a second contact portion provided to protrude toward a space surrounded by the plurality of the first contact portions. The second contact portion has a contact surface which is a curved surface exposed toward the space to surround the central axis.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: June 8, 2021
    Assignees: DENSO ELECTRONICS CORPORATION, TOYOTA JIDOSHA KABUSHIKIKAISHA
    Inventors: Masanao Sugisawa, Makoto Motono
  • Patent number: 11031204
    Abstract: A movable contact arm set for a switching contactor includes first and second movable contact arms which respectively carry first and second movable contacts. The first and second movable contact arms respectively include first and second engagement surfaces which are engagable with an actuation to permit displacement of the first and second movable contacts. The first and second engagement surfaces are asymmetric to one another to permit asynchronous displacement of the first and second movable contacts. A switching contactor, movable contact arm for use with a movable contact arm set, and a method of providing a lead-lag contact opening arrangement for a switching contactor are also provided.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: June 8, 2021
    Assignee: Johnson Electric International AG
    Inventor: Richard Anthony Connell
  • Patent number: 11017927
    Abstract: A system and method for perturbing a permanent magnet asymmetric field to move a body includes a rotating body configured to rotate about a rotation axis, a permanent magnet arrangement arranged on the rotating body containing two or more permanent magnets, and a perturbation element. The permanent magnet arrangement is configured such that an asymmetric magnetic field is generated by the permanent magnets about a perturbation point. Actuation of the perturbation element at or near the perturbation point causes a tangential magnetic force on the rotating body and/or the permanent magnet arrangement, thereby causing the rotating body to rotate about the rotation axis. The disclosure may also be used for linear motion of a body.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: May 25, 2021
    Assignee: GREEN WAVE POWER SYSTEMS LLC
    Inventors: Mark Lawrence Clymer, Brenda Lee McConnell
  • Patent number: 11005315
    Abstract: A method of manufacturing a stator assembly for an electrified rotary system includes attaching a first tooth and a second tooth to an inner support to define a first construction. The first tooth and the second tooth extend radially away from the inner support in the first construction. The method also includes attaching a winding about the first tooth of the first construction to define a second construction. Furthermore, the method includes applying, with a fixture, a preload at a joint between the inner support and the first tooth of the second construction. Moreover, the method includes attaching an outer support to a first outer radial end of the first tooth and to a second outer radial end of the second tooth while applying the preload to define a third construction.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: May 11, 2021
    Assignee: GARRETT TRANSPORTATION I INC
    Inventors: Sunming Shiao, Kour Thay Chau, Leroy Allen Fizer