Patents Examined by Mohamad Musleh
  • Patent number: 11923137
    Abstract: The invention relates to an electromagnetic actuator arrangement comprising an electromagnetic actuator device (2), in particular a camshaft adjusting device, having a housing (4) and at least one armature unit which can be driven, in response to the energization of a stationary, axially aligned coil unit, in or parallel to the axial direction and which is designed to interact with at least one slide and/or tappet unit (6, 7) extending in the axial direction, in particular a tappet unit (6, 7) effecting a camshaft adjustment of an internal combustion engine, and at least one switching gate (12) which can be arranged on a slide cam (14) and through which a transverse central plane (56) passes, wherein the actuator device (2) comprises a detection device for contactless magnetic and/or electrical interaction with the switching gate (12), which detection device comprises at least one magnetic field and/or electric field detection means which is designed to produce and/or detect a detection field acting directly
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: March 5, 2024
    Assignee: ETO MAGNETIC GMBH
    Inventors: Timo Rigling, Markus Oczkowski
  • Patent number: 11915863
    Abstract: A passive magnetic constant-force apparatus comprises a geometry and arrangement of permanent magnets, ferromagnetic components, and non-magnetic structural components. The apparatus is easily and precisely adjustable, cost-effective, with a high load capacity, and with minimal parasitic forces. The apparatus is suitable for use as a counterbalance for vertical linear motion applications and may be integrated with or attached to a linear motion stage.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: February 27, 2024
    Assignee: Zaber Technologies Inc.
    Inventors: Jacob Daniel Bayless, Graham Daniel Kerr, Jacob William Hardes
  • Patent number: 11915862
    Abstract: A device for attachment to a surface of a ferromagnetic object and for holding an item near the surface, including: a base with a frame and grip portion, the grip portion coupled to the frame at the rear side and having an outer surface for gripping the surface; a magnet-retaining portion pivotally connected to an end of the frame; a magnetic device connected to the magnet-retaining portion and having an outer surface displaced frontwardly from the outer surface of the grip portion; a cover pivotally connected to another end of the frame, the cover including a lifter configured to contact an end of the magnet-retaining portion and cause an end of the magnet-retaining portion to pivot about the frame when the cover is lifted and the lifter is rotated, thereby moving the first end of the magnet-retaining portion and the magnetic device in a rear-to-front direction; and an item-holding portion.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: February 27, 2024
    Assignee: Magnetic Mechanisms L.L.C
    Inventors: Jeffery M. Eliason, Mitchell Porch, Joseph Funk, Braden J. Eliason, Benjamin J. Larsen, David A. Melander, Rebecca E. Wereley
  • Patent number: 11915864
    Abstract: The invention relates to a magnetic holding device (10), in particular a clamping device, comprising a holding surface (9) and at least one first permanent magnet (11), characterized in that the holding device (10) comprises at least one second permanent magnet (12) which is rotatably mounted relative to the at least one first permanent magnet (11) about a rotational axis (3), whereby the pole direction (2) of the second permanent magnet (12) is rotatable relative to the pole direction (1) of the first permanent magnet (11).
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: February 27, 2024
    Assignee: Berndorf Band GmbH
    Inventors: Dieter Bader, Maximilian Prunbauer, Gerald Firmberger
  • Patent number: 11908651
    Abstract: The present invention discloses an intelligent circuit breaker capable of automatically releasing and tripping in power failure, with an electromagnetic force capable of controllably changing a current direction arranged between a permanent magnetic field force and a mechanical spring force, and three forces are designed on a straight line, the permanent magnet static iron core, the electromagnetic moving iron core and the electromagnetic coil are respectively fixed on the electromagnetic coil framework through a first shaft hole, a second shaft hole and a wire slot, a tripping energy storage spring is sleeved on the tripping transmission rod, a permanent magnet attraction reset shifting fork is arranged in a shifting groove of the tripping transmission rod, and one end of the tripping transmission rod is provided with a tripping connecting rod.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: February 20, 2024
    Assignee: TIANJIN JMT ELECTRIC EQUIPMENT CO., LTD
    Inventor: Kecheng Wang
  • Patent number: 11909265
    Abstract: A motor for a laundry appliance includes a drive shaft coupled to a drum at a first end. The rotor frame is coupled proximate the second end of the drive shaft, where the rotor frame includes at least one polymeric material. A central hub includes a core and a perimetrical ring that extends circumferentially around the core. A plurality of recesses are defined within a planar surface of the perimetrical ring, wherein a portion of the polymeric material is received within the plurality of recesses to secure the rotor frame to the central hub.
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: February 20, 2024
    Assignee: Whirlpool Corporation
    Inventors: Krati Bhargava, James Hull
  • Patent number: 11906070
    Abstract: Apparatus and associated methods relate to a valve having an actuator configured to translate a mass in a plane and a valve element located out of the first plane and configured to translate along a first linear axis. In an illustrative example, at least one of the mass and the valve element may include a magnetic source providing a persistent magnetic field and the other may include a non-magnetized, magnetically permeable mass. Reluctance-induced forces may, for example, translate the valve element towards the mass along the first linear axis when the mass is brought into register with a second linear axis. The first linear axis and the second linear axis may, for example, be colinear. Various embodiments may advantageously provide a valve requiring low energy input for operation.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: February 20, 2024
    Assignee: Nextern Innovation, LLC
    Inventors: Fernando Buarque, Christopher Narveson, Ryan J. Douglas, John Swoyer
  • Patent number: 11901790
    Abstract: A linear actuator includes an electromagnetic coil and a stator cover extending over the electromagnetic coil. A set of magnets are disposed end-to-end to form a ring. The magnets are adjacent the electromagnetic coil but offset from the center of the coil. A ferromagnetic central ring disposed within the coil at the inner diameter thereof and next to the magnets. A non-ferromagnetic ring disposed within the coil at the inner diameter thereof extending between the central ring and the other side of the stator cover. A translator is disposed between the magnets and the central axis. The translator is latchable between two positions within the linear actuator depending on the magnetic flux and the direction in which the electric current is flowing.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: February 13, 2024
    Assignee: Sigma Powertrain, Inc.
    Inventor: Thomas J. Berwald
  • Patent number: 11901119
    Abstract: An on-off switchable magnet assembly is disclosed which has first and second magnets. The poles of the first magnet are aligned to first and second ferrous members. The second magnets move to align its poles to the first and second ferrous members so that flux from the same or different pole flows through the first and second members to switch the assembly on or off as a magnet assembly.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: February 13, 2024
    Inventor: Julius Kelly
  • Patent number: 11901118
    Abstract: The method for manufacturing the Halbach magnet array comprises a) magnetizing at least one first magnetic material piece and at least one second magnetic material piece in a direction parallel to a first direction, and b) magnetizing a third magnetic material piece in a direction parallel to a second direction perpendicular to the first direction, in this order. The first magnetic material piece and the second magnetic material piece are alternately arranged in the second direction with the third magnetic material piece interposed therebetween. The first magnetic material piece adheres to the adjacent third magnetic material piece via a non-magnetic layer with a thickness t1, the second magnetic material piece adhere to the adjacent third magnetic material piece via a non-magnetic layer with a thickness t2, and t1 and t2 satisfy a formula t1<t2.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: February 13, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daisuke Ichigozaki, Yuhei Asano
  • Patent number: 11894184
    Abstract: A magnetic assembly includes magnets arranged in a Halbach array. The magnets include a first magnet and a second magnet positioned adjacent the first magnet. The first magnet and the second magnet have adjacent surfaces. A cavity is formed in the each of the adjacent surfaces and is aligned with the cavity formed in the adjacent surface of the adjacent magnet. The magnetic assembly also includes a ferromagnetic pin positioned within the aligning cavities to connect the first magnet and the second magnet. The ferromagnetic pin has a size, a shape, and a magnetic permeability that facilitate a magnetic force between the first surface and the second surface inducing a magnetic flux path through the ferromagnetic pin such that an apparent magnetic force between the first surface and the second surface is one of i) a repelling force less than 5 newtons (N) and ii) an attracting force.
    Type: Grant
    Filed: October 11, 2022
    Date of Patent: February 6, 2024
    Assignee: Quadrant International, Inc.
    Inventor: George E. Mizzell, Jr.
  • Patent number: 11887797
    Abstract: An electrical switch includes a coil assembly, an armature rotatable about an axis of rotation and driven by the coil assembly, and a contact assembly having a contact spring directly connected to the armature. The contact spring is a spring pack including a plurality of springs. At least one of the springs of the spring pack is formed of a first material and at least another one of the springs of the spring pack is formed of a second material different from the first material.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: January 30, 2024
    Assignee: TE Connectivity Germany GmbH
    Inventors: Uwe Kramer, Matthias Kroeker, Katrin Schertler, Thomas Haehnel
  • Patent number: 11887779
    Abstract: A magnet system for use in a nuclear magnetic resonance (“NMR”) apparatus includes a first magnet and a second magnet located on a backplane to form a gap therebetween, wherein the first magnet and the second magnet are each shaped to form trapezoidal prisms with dimensions selected to optimize a magnetic field at a target region in space external to the magnet system.
    Type: Grant
    Filed: February 21, 2023
    Date of Patent: January 30, 2024
    Assignee: Livivos Inc.
    Inventor: Robert R. Lown
  • Patent number: 11887778
    Abstract: Generally, a system for generating a magnetic field having a desired magnetic field strength and/or a desired magnetic field direction is provided. The system can include a plurality of magnetic segments and/or a plurality of ferromagnetic segments. Each magnetic segment can be positioned adjacent to at least one of the plurality of magnetic segments. Each ferromagnetic segment can be positioned adjacent to at least one of the plurality of magnetic segments. In various embodiments, a size, shape, positioning and/or number of magnetic segments and/or ferromagnetic segments in the system, as well as a magnetization direction of the magnetic segments can be predetermined based on, for example, predetermined parameters of the system (e.g., a desired magnetic field strength, direction and/or uniformity of the magnetic field, a desired elimination of a magnetic fringe field and/or total weight of the system) and/or based on a desired application of the system (e.g.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: January 30, 2024
    Assignee: Aspect Imaging Ltd.
    Inventors: Uri Rapoport, Yoram Cohen, Yair Goldfarb
  • Patent number: 11881066
    Abstract: An electronic lock device according to one embodiment includes a first magnetometer, a second magnetometer, a dynamic ferromagnetic component positioned between the first magnetometer and the second magnetometer, a processor, and a memory comprising a plurality of instructions stored thereon that, in response to execution by the processor, causes the electronic lock device to read sensor data from the first magnetometer and the second magnetometer, modify the sensor data to generate compensated sensor data that compensates for magnetic noise generated by the dynamic ferromagnetic component, and determine whether the door is in a closed state or an open state based on the compensated sensor data.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: January 23, 2024
    Assignee: Schlage Lock Company LLC
    Inventors: Mark A. Ross, Nicholas Long
  • Patent number: 11875940
    Abstract: An object is to provide a lifting-magnet attachment magnetic pole unit, a lifting magnet, a steel material conveying method, and a steel plate manufacturing method with which only one or a desired pieces of steel materials can be held. The present invention is a lifting-magnet attachment magnetic pole unit for a lifting magnet used to lift and convey a steel material with magnetic force. The lifting-magnet attachment magnetic pole unit includes a first split magnetic pole that is in contact with an iron core of the lifting magnet and has a branched structure, and a second split magnetic pole that is in contact with a yoke of the lifting magnet and has a branched structure. The first and second split magnetic poles are alternately arranged.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: January 16, 2024
    Assignee: JFE Steel Corporation
    Inventors: Yuki Takaki, Masaki Kobayashi, Junichi Yotsuji
  • Patent number: 11869711
    Abstract: Provided is a magnetic clamp device that reduces a magnetic flux leaking from a magnetic circuit passing through a permanent magnet and a magnetic pole member. The magnetic clamp device includes: a permanent magnet 20 surrounding a magnetic pole member 10 and disposed on a surface of a plate PL made of a magnetic body that magnetically clamps a mold in a magnetized state; and a reversible magnet 16 capable of reversing polarity and disposed at the rear of the permanent magnet 20. The magnetic pole member 10 is constituted by a plurality of magnetic pole pieces 101, 102, 103, and 104. Each of the magnetic pole pieces has a first lateral surface R with a shape corresponding to the opposite permanent magnet 20, and a second lateral surface T at which adjacent magnetic pole pieces oppose each other. The magnetic pole member 10 moves as the first lateral surfaces R are suction-adsorbed by the permanent magnet 20 without the second lateral surfaces T interfering with each other.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: January 9, 2024
    Inventor: Ryota Kojima
  • Patent number: 11869710
    Abstract: A control device includes a moving portion, a magnetic element coupled to the moving portion, at least one magnetic sensing circuit responsive to magnetic fields, and at least one magnetic flux pipe structure. The magnetic element may comprise alternating positive and negative sections configured to generate a magnetic field. The magnetic element may be any shape, such as circular, linear, etc. The magnetic sensing circuit may be radially offset from the magnetic element, and the magnetic flux pipe structure may be configured to conduct the magnetic field generated by the magnetic element towards the magnetic sensing circuit. The magnetic element may generate the magnetic field in a first plane, and the magnetic sensing may be responsive to magnetic fields in a second direction that is angularly offset from the first plane. The magnetic flux pipe structure may redirect the magnetic field towards the magnetic sensing circuit in the second direction.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: January 9, 2024
    Assignee: Lutron Technology Company LLC
    Inventors: Alexander Wade Gage, Stephen M. Ludwig, Jr., Robert C Newman, Jr., William Taylor Shivell
  • Patent number: 11871680
    Abstract: A device for guiding charge carriers and uses of the device are proposed, wherein the charge carriers are guided by means of a magnetic field along a curved or angled main path in a two-dimensional electron gas, in a thin superconducting layer or in a modification of carbon with a hexagonal crystal structure, so that a different presence density is produced at electrical connections.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: January 9, 2024
    Inventor: Helmut Weidlich
  • Patent number: 11862391
    Abstract: Magnet array structure includes a first linear magnet array and a second linear magnet array having a first and a second arrangement of magnets, respectively, in which the first and the second arrangement of magnets are repeated along respective lengths of the first and second linear magnet array. The first and second arrangement of magnets include respective individual first and second magnet elements arranged along the respective length of the first and second linear magnet array so that no net magnetic forces parallel to the length of the first and second linear magnet array result on the first and second arrangement of magnets, respectively. The first arrangement of magnets is offset from the second arrangement of magnets so that the first arrangement of magnets and the second arrangement of magnets partially overlap.
    Type: Grant
    Filed: January 11, 2023
    Date of Patent: January 2, 2024
    Assignee: HYPERLOOP TECHNOLOGIES, INC.
    Inventor: Casey Handmer