Patents by Inventor Erik Johnson

Erik Johnson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230018436
    Abstract: A moving member of a machine can include a cold plate that serves as a primary structural member for the moving member. The cold plate can have one or more cooling channels formed within the cold plate. A plurality of armature windings can be fixed to the cold plate. One or more field windings can be fixed to the cold plate. A plurality of ferromagnetic cores can be fixed to the cold plate, each ferromagnetic core positioned within a loop of at least one of the plurality of armature windings. Other embodiments are described.
    Type: Application
    Filed: September 28, 2022
    Publication date: January 19, 2023
    Applicant: HYPERLOOP TECHNOLOGIES, INC.
    Inventors: Alexander JEDINGER, Arbi Gharakhani SIRAKI, Erik JOHNSON, Shahriyar BEIZAEE, Rachel OZER, Ju Hyung KIM
  • Publication number: 20220416636
    Abstract: Homopolar linear synchronous machines are provided herein that include a mover device. The mover device includes a cold plate with ferromagnetic cores extending through slots in the cold plate. Layers of armature coils are located around the ferromagnetic cores on opposite sides of the cold plate. The mover device further includes at least one field coil.
    Type: Application
    Filed: August 24, 2022
    Publication date: December 29, 2022
    Inventors: Alexander JEDINGER, Arbi GHARAKHANI SIRAKI, Erik JOHNSON, Shahriyar BEIZAEE, Rachel OZER, Ju Hyung KIM
  • Publication number: 20220384077
    Abstract: An electromagnetic actuator for generating force is provided. The electromagnetic actuator includes a ferromagnetic body extending along a longitudinal axis, the ferromagnetic body comprising: a back-iron portion; and a pair of pole portions, extending from the back-iron portion, the back-iron portion connecting the pair of pole portions. The electromagnetic actuator further includes one or more magnetic-flux changing components at the pole portions, a respective magnetic-flux changing component located at a respective pole face, the respective magnetic-flux changing component configured to change magnetic flux density at a respective track-facing surface relative to the respective pole face. The electromagnetic actuator further includes electrical windings around the pole portions.
    Type: Application
    Filed: November 5, 2020
    Publication date: December 1, 2022
    Inventors: Tim LAMBERT, Noel GODINEZ, Irfan-ur-rab USMAN, Erik JOHNSON, George TIRONE
  • Publication number: 20220385162
    Abstract: A system (100), electromagnetic actuator (102) and track (101) for braking are provided. The actuator (102) includes pole portions (109) extending from back-iron portions. Respective longitudinal axes (104) of the pole portions (109) are arranged about parallel to one another and about perpendicular to a common movement axis (104). A pole pitch of the pole portions (109) is selected to induce eddy currents in a segmented track (101), such that the eddy currents are present in a skin depth at more than one surface of segments (105) of the segmented track (101) when the pole portions (109) are moving at given speeds. Eddy current generated losses occupy about an entirety of a volume of a segment (105) of the track (101) below a given intermediate speed, and the eddy current generated losses occupy at least one third of the volume of the segment (105) at a given maximum speed greater than the given intermediate speed. Individually controllable electrical windings are around respective pole portions (109).
    Type: Application
    Filed: November 5, 2020
    Publication date: December 1, 2022
    Inventors: Yingjie LI, Arbi GHARAKHANI SIRAKI, Rachel OZER, Shahriyar BEIZAEE, Erik JOHNSON
  • Publication number: 20220376595
    Abstract: An electromagnetic machine for generating force is provided. The electromagnetic machine includes a magnet having opposing sides extending along a longitudinal axis. The electromagnetic machine includes a pair of ferromagnetic bodies respectively extending along the opposing sides of the magnet, and along the longitudinal axis, each of the ferromagnetic bodies comprising: a back-iron portion; and a pole portion extending from the back-iron portion. The magnet and the ferromagnetic bodies include reciprocal retention devices at the opposing sides along the longitudinal axis. The electromagnetic machine includes electrical windings around respective pole portions of the ferromagnetic bodies, the electrical windings around the respective pole portions being independently controllable. The electromagnetic machine includes at least one cold plate configured to thermally isolate the magnet from the electrical windings.
    Type: Application
    Filed: November 5, 2020
    Publication date: November 24, 2022
    Inventors: Noel GODINEZ, Tim LAMBERT, Irfan-ur-rab USMAN, Erik JOHNSON
  • Patent number: 11496035
    Abstract: Homopolar linear synchronous machines (200) are provided herein that include a mover device (111). The mover device (111) includes a cold plate with ferromagnetic cores extending through slots in the cold plate. Layers of armature coils are located around the ferromagnetic cores on opposite sides of the cold plate. The mover device (111) further includes at least one field coil.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: November 8, 2022
    Assignee: Motorola Solutions, Inc.
    Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
  • Patent number: 11476745
    Abstract: A moving member of a machine can include a cold plate that serves as a primary structural member for the moving member. The cold plate can have one or more cooling channels formed within the cold plate. A plurality of armature windings can be fixed to the cold plate. One or more field windings can be fixed to the cold plate. A plurality of ferromagnetic cores can be fixed to the cold plate, each ferromagnetic core positioned within a loop of at least one of the plurality of armature windings. Other embodiments are described.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: October 18, 2022
    Assignee: HYPERLOOP TECHNOLOGIES, INC.
    Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
  • Publication number: 20220160582
    Abstract: A liquid concentrate generation system may comprise a manifold having an inlet receptacle including a first piercing member, an outlet receptacle including a second piercing member, and a flow channel connecting the inlet receptacle and outlet receptacle. The system may further comprise a cartridge having an inlet port and an outlet port sealed by a respective first and second cover. The inlet and outlet port may be respectively configured to displace within the inlet receptacle and outlet receptacle from an unspiked position to a spiked position. First and second piercing members may be in communication with the flow channel and spaced apart respectively from the first and second cover in the unspiked position. The first and second piercing members may be isolated from the flow channel and may respectively puncture the first and second cover in the spiked position.
    Type: Application
    Filed: September 24, 2021
    Publication date: May 26, 2022
    Inventors: Ryan P. Wood, Michael J. Haynes, Hans Erik Johnson, Thaddeus Joseph Hughes, Robert Houston Lawler, JR.
  • Publication number: 20210408886
    Abstract: Disclosed is a machine having a moving member. The moving member including a cold plate having a plurality of slots through the cold plate. The moving member also including a plurality of ferromagnetic cores coupled to the cold plate, each of the plurality of ferromagnetic cores protruding through a respective one of the plurality of slots, creating gaps between the plurality of ferromagnetic cores. The moving member also including a plurality of armature windings coupled to the cold plate, the plurality of armature windings occupying the gaps between the plurality of ferromagnetic cores.
    Type: Application
    Filed: September 8, 2021
    Publication date: December 30, 2021
    Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
  • Patent number: 11196330
    Abstract: Disclosed is a yoke-less mover of a homopolar linear synchronous machine. The yoke-less mover may include a cold plate having slots. Ferromagnetic cores are fixed to the cold plate. Each of the ferromagnetic cores may protrude through a respective one of the slots, creating gaps between the ferromagnetic cores. Armature windings are fixed to the cold plate. The armature windings may occupy the gaps between the ferromagnetic cores. The ferromagnetic cores of the yoke-less mover have better ferromagnetic utilization and lower weight. It also enables more flexible topologies in the armature windings.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: December 7, 2021
    Assignee: Hyperloop Technologies, Inc.
    Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
  • Publication number: 20210336511
    Abstract: Homopolar linear synchronous machines (200) are provided herein that include a mover device (111). The mover device (111) includes a cold plate with ferromagnetic cores extending through slots in the cold plate. Layers of armature coils are located around the ferromagnetic cores on opposite sides of the cold plate. The mover device (111) further includes at least one field coil.
    Type: Application
    Filed: September 18, 2019
    Publication date: October 28, 2021
    Inventors: Alexander JEDINGER, Arbi GHARAKHANI SIRAKI, Erik JOHNSON, Shahriyar BEIZAEE, Rachel OZER, Ju Hyung KIM
  • Publication number: 20200360230
    Abstract: An apparatus for a sauna includes a first and second heating element. The first heating element has a first conductive path and is coupled to pass a current. The second heating element has a second conductive path that runs adjacent to the first conductive path. The second heating element substantially blocks an electric field produced within the first heating element. The first conductive path is coupled to redirect the current to the second conductive path and set up complementary magnetic fields between the first and second heating elements.
    Type: Application
    Filed: August 4, 2020
    Publication date: November 19, 2020
    Inventor: Erik Johnson
  • Patent number: 10796885
    Abstract: The invention relates to a circuit (100) able to achieve simultaneous impedance matching between a generator (G) and a load (CH) for a power supply signal comprising at least two distinct frequencies.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: October 6, 2020
    Assignees: Centre National de la Recherche Scientifique, Ecole Polytechnique
    Inventors: Erik Johnson, Jean-Paul Booth
  • Patent number: 10765597
    Abstract: In one embodiment, the present invention includes an apparatus to heat a body. A first conductive path and/or a second conductive path include a resistive heating element that produces heat from said current. The first conductive path is coupled to redirect the current to the second conductive path and set up complementapy magnetic fields between said first and second layers. A third layer substantially blocks an electric field produced from the resistive heating element included in the first layer and/or second layer.
    Type: Grant
    Filed: January 1, 2016
    Date of Patent: September 8, 2020
    Assignee: HIGH TECH HEALTH INTERNATIONAL, INC.
    Inventor: Erik Johnson
  • Patent number: 10697306
    Abstract: A core structure (10) includes a first core element (16) including a leading edge section (30), a tip section (32), and a turn section (34) joining the leading edge and tip sections (30, 32). The first core element (16) is adapted to be used to form a leading edge cooling circuit (102) in a gas turbine engine airfoil (100). The leading edge cooling circuit (102) includes a cooling fluid passage (104) having a leading edge portion (106) formed by the first core element leading edge section (30), a tip portion (108) formed by the first core element tip section (32), and a turn portion (110) formed by the first core element turn section (34). Each of the leading edge portion (106), the tip portion (108), and the turn portion (110) of the cooling fluid passage (104) are formed concurrently in the airfoil (100) by the first core element (16).
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: June 30, 2020
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Ching-Pang Lee, Jae Y. Um, Gerald L. Hillier, Wayne J. McDonald, Erik Johnson, Anthony Waywood, Eric Schroeder, Zhengxiang Pu
  • Publication number: 20200185564
    Abstract: An apparatus for patterned processing includes a source of input gas, a source of energy suitable for generating a plasma from the input gas in a plasma region and a grounded sample holder configured for receiving a solid sample. The apparatus includes a mask arranged between the plasma region and the grounded sample holder, the mask having a first face oriented toward the plasma region and a second face oriented toward a surface of the solid sample to be processed, the mask including a mask opening extending from the first face to the second face, and an electrical power supply adapted for applying a direct-current bias voltage to the mask, and the mask opening being dimensioned and shaped so as to generate spatially selective patterned processing on the surface of the solid sample.
    Type: Application
    Filed: May 18, 2018
    Publication date: June 11, 2020
    Inventors: Bastien BRUNEAU, Erik JOHNSON, Pavel BULKIN, Nada HABKA, Gilles POULAIN, Nacib BENMAMMAR
  • Publication number: 20200121553
    Abstract: In one embodiment, the present invention includes an apparatus to heat a body. The apparatus includes a first and second heating element. The first heating element has a first conductive path and is coupled to pass a current. The second heating element has a second conductive path that runs adjacent to the first conductive path. The second heating element terminates an electric field produced within the first heating element. The first conductive path is coupled to redirect the current to the second conductive path and set up complimentary magnetic fields between the first and second heating elements.
    Type: Application
    Filed: January 1, 2016
    Publication date: April 23, 2020
    Inventor: Erik Johnson
  • Publication number: 20200091807
    Abstract: Disclosed is a yoke-less mover of a homopolar linear synchronous machine. The yoke-less mover may include a cold plate having slots. Ferromagnetic cores are fixed to the cold plate. Each of the ferromagnetic cores may protrude through a respective one of the slots, creating gaps between the ferromagnetic cores. Armature windings are fixed to the cold plate. The armature windings may occupy the gaps between the ferromagnetic cores. The ferromagnetic cores of the yoke-less mover have better ferromagnetic utilization and lower weight. It also enables more flexible topologies in the armature windings.
    Type: Application
    Filed: September 19, 2019
    Publication date: March 19, 2020
    Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
  • Publication number: 20200088819
    Abstract: A moving member of a machine can include a cold plate that serves as a primary structural member for the moving member. The cold plate can have one or more cooling channels formed within the cold plate. A plurality of armature windings can be fixed to the cold plate. One or more field windings can be fixed to the cold plate. A plurality of ferromagnetic cores can be fixed to the cold plate, each ferromagnetic core positioned within a loop of at least one of the plurality of armature windings. Other embodiments are described.
    Type: Application
    Filed: September 19, 2019
    Publication date: March 19, 2020
    Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
  • Publication number: 20190393018
    Abstract: The invention relates to a circuit (100) able to achieve simultaneous impedance matching between a generator (G) and a load (CH) for a power supply signal comprising at least two distinct frequencies.
    Type: Application
    Filed: November 8, 2017
    Publication date: December 26, 2019
    Applicants: Centre National de la Recherche Scientifique, Ecole Polytechnique
    Inventors: Erik JOHNSON, Jean-Paul BOTH