Patents Examined by Shawki S. Ismail
  • Patent number: 10930459
    Abstract: An electromagnetic relay includes a fixed contact part, a movable contact part, an armature, an electromagnet, and a base. The fixed contact part includes a fixed contact. The movable contact part includes a movable contact that faces the fixed contact. The armature is formed of a magnetic material and configured to bring the movable contact into or out of contact with the fixed contact. The electromagnet is configured to generate a magnetic field to move the armature. The base holds the fixed contact part, the movable contact part, and the electromagnet. The electromagnetic relay further includes multiple electrodes configured to generate an electric field between the electrodes.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: February 23, 2021
    Assignee: FUJITSU COMPONENT LIMITED
    Inventors: Ying Li, Masahiro Kaneko, Nobuo Yatsu, Kohei Takahashi, Katsuaki Koshimura, Miki Kitahara
  • Patent number: 10931174
    Abstract: Disclosed herein are a flux shield and a generator including the same and, more particularly, a flux shield including split structures and a generator including the same.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: February 23, 2021
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventor: Daeil Song
  • Patent number: 10926866
    Abstract: A positioning and position maintaining device comprises a solenoid having an armature and an electromagnetic holder. The solenoid is arranged to effect positioning of an object upon translation of the armature and the electromagnetic holder is arranged to effect position maintaining in order to maintain the object in the position effected by the solenoid. An apparatus for aircraft autopilot and manual control feel-force control switching comprises an autopilot mechanism and the positioning and position maintaining device. The positioning and position maintaining device is arranged to engage the autopilot mechanism and maintain the engagement thereof. A method of switching between autopilot and manual control in an aircraft is also envisaged.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: February 23, 2021
    Assignee: RATIER-FIGEAC SAS
    Inventors: Pierre-Jacques Labry, Benoit Mazars
  • Patent number: 10923261
    Abstract: A fastening assembly is provided that includes a first permanent magnet having a first operating temperature and a second permanent magnet having a second operating temperature lower than the first operating temperature. The first permanent magnet is attachable to the second permanent magnet in a locked state at a first temperature lower than the second operating temperature. The first permanent magnet is releasable from the second permanent magnet in an unlocked state at a second temperature that is higher than the second operating temperature.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: February 16, 2021
    Assignee: Microsoft Technology Licensing, LLC
    Inventor: Aseem Singla
  • Patent number: 10917015
    Abstract: A multiphase operation control method comprises configuring a plurality of power phases of a power converter to operate in an interleaved manner by passing a token sequentially among the plurality of power phases, turning on a first power phase after the first power phase possesses the token and receives a trigger signal from a control circuit of the first power phase, passing the token to a second power phase after the first power phase finishes, passing the token sequentially until a last power phase of the plurality of power phases possesses the token and forwarding the token to the first power phase after the last power phase finishes.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: February 9, 2021
    Assignee: Active-Semi (BVI) Inc.
    Inventors: Narasimhan Trichy, Masashi Nogawa
  • Patent number: 10913506
    Abstract: The present invention provides a generator for a bicycle which can be applied to a rim of all kinds of bicycle wheels, comprising: a rotating body 30 which is arranged to be adjacent to or to make contact with the rim 10, wherein eddy current induction magnet 35 is installed along an outer circumferential surface of the rotating body 30; a rotation shaft 62 whose one side end part is fixed at a center of the rotating body 30; and a generation unit 60 which is arranged at the other side end part of the rotation shaft 62, wherein at least a portion of the outer circumferential surface of the rotating body 30 is arranged farther outside than an outer circumferential surface of the eddy current induction magnet 35.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: February 9, 2021
    Inventor: Young Hui Hur
  • Patent number: 10917018
    Abstract: A flyback converter is provided with a controller that is configured to analyze the reflected feedback voltage waveforms to determine the presence of a ground connection fault for the auxiliary winding.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: February 9, 2021
    Assignee: DIALOG SEMICONDUCTOR INC.
    Inventors: Pengju Kong, Duc Doan, Fuqiang Shi
  • Patent number: 10916990
    Abstract: A motor includes a motor body, a bracket installed in the motor body, a rotating shaft, a bearing accommodated inside the bracket and supporting the rotating shaft, and a bearing supporter defining a plurality of pores. The bracket and the bearing define a bearing heat dissipation flow path between an outer surface of the bearing and an inner surface of the bracket, and the bearing heat dissipation flow path is configured to pass air therethrough. The bearing supporter is disposed in the bearing heat dissipation flow path, and the bracket defines a bracket through-hole configured to discharge air that has passed through the plurality of pores of the bearing supporter.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: February 9, 2021
    Assignee: LG Electronics Inc.
    Inventors: Eunji Hwang, Sunggi Kim, Byungjik Kim
  • Patent number: 10916368
    Abstract: The present invention relates to a bobbin and a coil assembly and electromagnet equipment including the same, and the electromagnet equipment, which includes a bobbin and a coil, includes a coil assembly receiving a refrigerant so as to remove heat produced when magnetic field lines are formed by an electric current running through the coil while the coil is wound on a center shaft relative to the center shaft provided on a center of the bobbin; and a terminal block provided on a lower side of the coil assembly, the terminal block supporting the coil assembly and receiving a refrigerant from outside and supplying the refrigerant to the coil assembly.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: February 9, 2021
    Inventors: Seung-Young Park, Jungmin Park
  • Patent number: 10917001
    Abstract: A resonant power converter has a main switch, a resonant tank coupled across the main switch, and a signal processing circuit coupled to the main switch and the resonant tank. The signal processing circuit generates a driving signal for driving the main switch ON and OFF at a switching frequency. The resonant tank includes circuit components designed to have a resonant frequency that is tuned to a designed switching frequency of the main switch. The signal processing circuit includes a zero voltage switching (ZVS) circuit, a signal generator, a detection circuit, and a latch oscillator. The signal processing circuit is configured to adjust the switching frequency of the driving signal to be tuned to the actual resonant frequency of a resonant tank under very high switching frequency conditions, 1 MHz and greater, thereby accounting for the influence of parasitics at very high switching frequencies and achieving resonance of the circuit.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: February 9, 2021
    Assignee: Flex Ltd.
    Inventors: Mark Telefus, Nate Vince
  • Patent number: 10916975
    Abstract: Disclosed herein are a motor assembly and a cleaner having the same. The motor assembly includes a rotor configured to rotate and a stator configured to electromagnetically interact with the rotor. The stator includes a pair of stator bodies disposed to be symmetrical to each other with the rotor in between, each stator body having at least two stator cores arranged in parallel to each other.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: February 9, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keun Young Yoon, Young Kwan Kim, Kwang Soo Kim, Deok Jin Kim, Mohammad Ali, Byung Ryel In, Jong Jin Park, Myung Bae Bang
  • Patent number: 10910956
    Abstract: A method is provided for operating a frequency converter, which is designed to drive a three-phase motor, wherein the frequency converter has three half-bridges each having at least two switches. The method includes the following steps: generating three phase voltages for the three-phase motor by a pulse width modulation, wherein, for the pulse width modulation, various switching patterns of the switches are activated, wherein specific star point voltages ensue for various groups of switching patterns; and in at least one operating state of the frequency converter, within a respective period of the pulse width modulation, activating only those switching patterns in which an identical star point voltage ensues.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: February 2, 2021
    Assignee: Lenze Automation GmbH
    Inventors: Fritz Witte, Thomas Petersen, Dirk Duesterberg
  • Patent number: 10910909
    Abstract: The invention relates to an electric motor comprising a rotor, a stator (1) and an electronic housing (12), the installation space (13) of which accommodates electrical/electronic components (18). At least part of these components (18) is seated on a printed circuit board (19). A fan wheel (21) is located inside the installation space. It is arranged and designed in such a manner that it generates a cooling circuit stream in the installation space (13), in which the air is drawn in centrally from the fan wheel (21) and is discharged approximately radially to the outside. As a result of this defined cooling air stream, the components (18) are evenly cooled in the installation space (13). The fan wheel (21) consists at least of a base body which comprises blades (22) located between a cover disc (24) and a base disc (23). In this way, the fan wheel (21) generates a directed cooling air stream for cooling the heat-generating components.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: February 2, 2021
    Assignee: Ziehl-Abegg SE
    Inventors: Samantha Geissler, Thorsten Sturm, Joachim Knorr, Julian Sch├╝tz
  • Patent number: 10910904
    Abstract: An electrical connector for connecting a motor and a cable connector, includes an electrically insulating main body and a plurality of electrical terminals. The main body includes a front side and a rear side configured to be engaged with a corresponding cable connector. The front side of the main body includes a mounting portion, which is configured to be stably mounted on the seat, so that the electrical terminals can be placed in a stable connection with corresponding motor terminals.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: February 2, 2021
    Assignee: JOHNSON ELECTRIC INTERNATIONAL AG
    Inventors: Bruno Grasso, Carlo Canuto
  • Patent number: 10910898
    Abstract: A rotating electric machine having a fraction slot configuration in which the number of slots per pole per phase is not an integer includes: a stator that includes a stator core provided with a plurality of slots, and a stator winding having a plurality of coil sides accommodated in the plurality of slots and a plurality of coil ends connecting the same side end parts of the plurality of coil sides to each other; and a movable element that is supported to be movable with respect to the stator, and includes a movable element core, and a plurality of movable element magnetic poles provided in the movable element core. The stator winding includes a plurality of basic coils in which the magnitude of magnetomotive force generated by the plurality of coil sides forming the one-phase band is uniform in each of the plurality of movable element magnetic poles.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: February 2, 2021
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Masafumi Sakuma, Teppei Tsuda
  • Patent number: 10907928
    Abstract: An EM driver for accelerating an object may be configured as an EM rifle for accelerating, rotating to spin-stabilize, and releasing a projectile. A core includes a stator coil, forward and reverse coils, a railed shaft, and a transfer shaft. The stator coil generates a first EM field, and the forward and reverse coils generate second and third EM fields which interact with the first EM field to accelerate the armature in forward and reverse directions, respectively. The railed shaft is elongated along a central axis through the armature and includes multiple rails arranged helically around a central shaft. The armature remains in contact with the rails during acceleration so as to impart a turning motion. The transfer shaft is physically coupled with and projects forwardly from the armature and transfers to the projectile the acceleration and the turning motion of the armature in the forward direction.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: February 2, 2021
    Assignee: Honeywell Federal Manufacturing & Technologies, LLC
    Inventors: Erik Timpson, Seth Hartman
  • Patent number: 10910892
    Abstract: In the rotary electric machine according to the present invention, a plurality of core sheets include linked core sheets that include linking portions that protrude circumferentially from flange portions so as to link together tip portions of adjacent tooth portions, at least one sheet of the linked core sheets is formed such that a tooth tip portion shape is mirror-asymmetrical relative to a tooth central axis that passes through a circumferential center of the tooth portions, and a stator core is configured by laminating the linked core sheets such that circumferential positions of the linking portions are offset.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: February 2, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yu Hirotani, Kazumasa Ito, Yuji Takizawa, Satoru Akutsu, Hiroshi Aida, Shusuke Hori
  • Patent number: 10902984
    Abstract: A linear actuator having an elastic injection-molded frame includes a yoke, a permanent magnet attached to a bottom surface of the yoke at a distance from a side surface of the yoke, a top plate attached to a top surface of the permanent magnet, a frame coupled to an outer periphery of the yoke and injection-molded with an elastic material, a protector disposed on the frame, and a coil secured to the protector, with a lower end positioned between the permanent magnet and the side surface of the yoke. The frame includes a yoke coupling portion coupled to the yoke, a fixing portion spaced apart from the yoke coupling portion and coupled to the protector, and two or more bridges for elastically connecting the yoke coupling portion and the fixing portion.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: January 26, 2021
    Assignee: EM-TECH. CO., LTD.
    Inventors: Ki Hyun Nam, Jae Baek Jang, Young Uk Jo
  • Patent number: 10903713
    Abstract: An inner-rotor motor including: an armature assembly including a rotating shaft, an armature unit coupled to the rotating shaft and a pressing unit; a frame assembly including a frame housing the armature unit, a first bearing unit located on one side with respect to the armature unit in an axial direction, and a second bearing unit located on another side with respect to the armature unit in the axial direction; and an urging structure that urges the rotating shaft in a direction away from the second bearing unit and that presses the pressing unit toward the first bearing unit.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: January 26, 2021
    Assignee: MINEBEA MITSUMI INC.
    Inventors: Hiroaki Mochizuki, Minoru Kuroda
  • Patent number: 10900696
    Abstract: An electric motor includes a stator core formed by stacking a plurality of electromagnetic steel sheets, a rotor core provided on an inner side of the stator core and formed by stacking a plurality of electromagnetic steel sheets, a rotating shaft having one end side inserted into the rotor core, and an eccentric portion provided on another end side of the rotating shaft and placed in a compression mechanism, in which a length from a center of the rotor core in an axial direction of the rotor core to an end face of the rotor core in the axial direction of the rotor core is shorter than a length from a center of the stator core in an axial direction of the stator core to an end face of the stator core in the axial direction of the stator core.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: January 26, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventor: Kazuchika Tsuchida