Patents by Inventor Lutz Friedrichsen

Lutz Friedrichsen 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).

  • Electromagnetic drive unit for a switching device and switching device
    Patent number: 11935715
    Abstract: An electromagnetic drive unit for a switching device includes: a magnetic core with a first, a second, and a third magnetic path each arranged transversely with respect to a longitudinal axis of the electromagnetic drive unit and coupled to longitudinal magnetic struts at respective ends to form a magnetic frame structure; an armature movable along the longitudinal axis between a first and a second state; and a first and a second magnetic coil for moving the armature based on excitation of the first and/or the second magnetic coil. The first magnetic coil is arranged between the first and the second magnetic path and the second magnetic coil is arranged between the second and the third magnetic path with respect to the longitudinal axis. The magnetic core and the magnetic coils are arranged such that a magnetic flux that flows through the magnetic paths to move the armature is adjustable.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: March 19, 2024
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Volker LAng, Lutz Friedrichsen, Julia Otte, Christoph Bausch
  • Switching device for guiding and switching of load currents
    Patent number: 11742165
    Abstract: A switching device for guiding and switching of load currents includes: a movable switching component having a first movable contact and a second movable contact; a first fixed contact and a second fixed contact; a supporting device for supporting the switching component; and a magnetic actuator. The first movable contact is in contact with the first fixed contact and the second movable contact is in contact with the second fixed contact in a switched-on state of the switching component. The first movable contact is electrically separated from the first fixed contact and the second movable contact is electrically separated from the second fixed contact in a switched-off state of the switching component. The switching component is arranged such that the switching component moves between the switched-on state and the switched-off state by at least a rotational movement of the switching component and a translational movement of the supporting device.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: August 29, 2023
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Lutz Friedrichsen, Christoph Bausch, Julia Otte, Kai Schroeder, Johannes Meissner, Christian Ruempler, Albert Zacharias
  • Switching device and switching arrangement
    Patent number: 11705289
    Abstract: A switching device includes: a first and a second fixed contact; a contact bridge; a first movable contact and a second movable contact that are arranged at the contact bridge; a first terminal contact on which the first fixed contact is mounted; and a second terminal contact on which the second fixed contact is mounted. The first fixed contact is in contact with the first movable contact and the second fixed contact is in contact with the second movable contact in a switched-on state of the switching device. The first fixed contact is free of contact with the first movable contact and the second fixed contact is free of contact with the second movable contact in a switched-off state of the switching device. A path of a load current flowing through the contact bridge between the first and second movable contacts in the switched-on state extends in a first plane.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: July 18, 2023
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Lutz Friedrichsen, Volker Lang, Johannes Meissner, Julia Otte, Madeline Philipsohn, Gerd Schmitz, Kai Schroeder, Ute Molitor
  • System, method, and apparatus for multi-port power converter and inverter assembly
    Patent number: 11658477
    Abstract: A multi-port power converter includes a housing that includes a plurality of ports structured to electrically interface to a plurality of loads, the plurality of loads having distinct electrical characteristics. The multi-port power converter also includes a plurality of solid state components configured to provide selected electrical power outputs and to accept selected electrical power inputs and a plurality of solid state switches configured to provide selected connectivity between the plurality of solid state components and the plurality of ports.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: May 23, 2023
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Martin Wayne Mensch, Brandon William Fisher, Robert Stephen Douglass, Austin Robert Zurface, Jeff Howard Urian, James David, Bharath Suda, Asheesh Soni, Karsten Gerving, Guido Vollmar, Gerd Schmitz, Christoph Bausch, Ute Molitor, Lutz Friedrichsen, Kai Schroeder, Julia Otte, Madeline Philipsohn, Norbert Roesner, Volker Lang, Johannes Meissner, Paolo D'Amico, Jalpa Shah, Meng Wang, Damrongrit Piyabongkarn, Niles Stephen Ramseyer, Dennis Dukaric, Matt Haylock, Justin Keith Griffiths
  • Switching device and method for operating a switching device
    Patent number: 11521817
    Abstract: A switching device includes: a first terminal contact; a first fixed contact arranged at the first terminal contact; a contact bridge; a contact bridge carrier arranged at the contact bridge and having a barrier; a first movable contact arranged at the contact bridge; a second terminal contact; a second fixed contact arranged at the second terminal contact; a second movable contact arranged at the contact bridge; and a magnetic drive assembly including a coil and an armature, the armature being coupled to the contact bridge. The first fixed contact is in contact with the first movable contact in a switched-on state of the switching device. The first fixed contact is free of contact with the first movable contact in a switched-off state of the switching device. The second fixed contact is in contact with the second movable contact in the switched-on state of the switching device.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: December 6, 2022
    Assignee: Eaton Intelligent Power Limited
    Inventors: Christoph Bausch, Lutz Friedrichsen, Volker Lang, Johannes Meissner, Julia Otte, Kai Schroeder
  • CONTACTOR DAMAGE AND DIAGNOSTICS
    Publication number: 20220337070
    Abstract: A method includes interpreting a contactor open event and a contactor load value for a contactor positioned on a motive power circuit for a mobile application, determining that a contactor opening event under load has occurred in response to the contactor open event and the contactor load value, and updating a contactor wear condition in response to the contactor opening event under load, wherein updating the contactor wear condition comprises accumulating a number of the contactor opening events under load.
    Type: Application
    Filed: May 5, 2022
    Publication date: October 20, 2022
    Inventors: Justin Keith Griffiths, Nilesh Surase, Ritika Shetty, Shalini Tripathy, Somdut Dey, Madhavi Gupta, Mayura Madane, Sadiya Qureshi, Toseed Khan, Amit Chavan, Kumar Prasad Telikepalli, Atul Solvande, Hao Wang, Jiong Chen, Yueyue Deng, Jason Carroll, Srinivasan Arjun Tekalur, Jacob William Green, Ashok Chakravarthi Kandru, Cheng Luo, Tianyang Jiang, Cheng Wan, Ye Zhu, John Trublowski, Robert Stephen Douglass, Rajen Modi, Nilay Mehta, Laura Natali Valencia Fritsch, Han Li, Dongxin JIn, Lewei Qian, Jun Li, Hongrae Kim, Daniel R. Ouwenga, Patrick Herranz, Miroslav Horejs, Rohit Baranwal, Zhe Zhang, Martin Wayne Mensch, Brandon William Fisher, Austin Robert Zurface, Jeff Howard Urian, James David, Bharath Kumar Suda, Asheesh Kumar Soni, Rene Guy Gallet, Michael Scott Sullivan, Karsten Gerving, Guido Völlmar, Gerd Schmitz, Christoph Bausch, Ute Molitor, Lutz Friedrichsen, Kai Schroeder, Julia Otte, Madeline Philipsohn, Norbert Roesner, Volker Lang, Johannes Meissner, Paolo D'Amico, Jalpa Shah, Meng Wang, Damrongrit Piyabongkarn, Niles Stephen Ramseyer, Dennis Dukaric, Matt Haylock, Anvaya R. Hingangave, Devendra Patil
  • ELECTROMAGNETIC DRIVE UNIT FOR A SWITCHING DEVICE AND SWITCHING DEVICE
    Publication number: 20220044898
    Abstract: An electromagnetic drive unit for a switching device includes: a magnetic core with a first, a second, and a third magnetic path each arranged transversely with respect to a longitudinal axis of the electromagnetic drive unit and coupled to longitudinal magnetic struts at respective ends to form a magnetic frame structure; an armature movable along the longitudinal axis between a first and a second state; and a first and a second magnetic coil for moving the armature based on excitation of the first and/or the second magnetic coil. The first magnetic coil is arranged between the first and the second magnetic path and the second magnetic coil is arranged between the second and the third magnetic path with respect to the longitudinal axis. The magnetic core and the magnetic coils are arranged such that a magnetic flux that flows through the magnetic paths to move the armature is adjustable.
    Type: Application
    Filed: December 16, 2019
    Publication date: February 10, 2022
    Inventors: Volker Lang, Lutz Friedrichsen, Julia Otte, Christoph Bausch
  • SWITCHING DEVICE FOR GUIDING AND SWITCHING OF LOAD CURRENTS
    Publication number: 20220044896
    Abstract: A switching device for guiding and switching of load currents includes: a movable switching component having a first movable contact and a second movable contact; a first fixed contact and a second fixed contact; a supporting device for supporting the switching component; and a magnetic actuator. The first movable contact is in contact with the first fixed contact and the second movable contact is in contact with the second fixed contact in a switched-on state of the switching component. The first movable contact is electrically separated from the first fixed contact and the second movable contact is electrically separated from the second fixed contact in a switched-off state of the switching component. The switching component is arranged such that the switching component moves between the switched-on state and the switched-off state by at least a rotational movement of the switching component and a translational movement of the supporting device.
    Type: Application
    Filed: December 16, 2019
    Publication date: February 10, 2022
    Inventors: Lutz Friedrichsen, Christoph Bausch, Julia Otte, Kai Schroeder, Johannes Meissner, Christian Ruempler, Albert Zacharias
  • SWITCHING DEVICE AND METHOD FOR OPERATING A SWITCHING DEVICE
    Publication number: 20210304995
    Abstract: A switching device includes: a first terminal contact; a first fixed contact arranged at the first terminal contact; a contact bridge; a contact bridge carrier arranged at the contact bridge and having a barrier; a first movable contact arranged at the contact bridge; a second terminal contact; a second fixed contact arranged at the second terminal contact; a second movable contact arranged at the contact bridge; and a magnetic drive assembly including a coil and an armature, the armature being coupled to the contact bridge. The first fixed contact is in contact with the first movable contact in a switched-on state of the switching device. The first fixed contact is free of contact with the first movable contact in a switched-off state of the switching device. The second fixed contact is in contact with the second movable contact in the switched-on state of the switching device.
    Type: Application
    Filed: August 13, 2019
    Publication date: September 30, 2021
    Inventors: Christoph Bausch, Lutz Friedrichsen, Volker Lang, Johannes Meissner, Julia Otte, Kai Schroeder
  • SWITCHING DEVICE AND SWITCHING ARRANGEMENT
    Publication number: 20210272758
    Abstract: A switching device includes: a first fixed contact; a second fixed contact; a contact bridge; and a first movable contact and a second movable contact that are arranged at the contact bridge. The first fixed contact is in contact with the first movable contact and the second fixed contact is in contact with the second movable contact in a switched-on state of the switching device. The first fixed contact is free of contact with the first movable contact and the second fixed contact is free of contact with the second movable contact in a switched-off state of the switching device. A load current that flows through the contact bridge between the first movable contact and the second movable contact in the switched-on state has a curved path. A path of the load current flows through the contact bridge between the first movable contact and the second movable contact.
    Type: Application
    Filed: July 15, 2019
    Publication date: September 2, 2021
    Inventors: Lutz Friedrichsen, Volker Lang, Johannes Meissner, Julia Otte, Madeline Philipsohn, Gerd Schmitz, Kai Schroeder, Ute Molitor
  • System, method, and apparatus for power distribution in an electric mobile application using a combined breaker and relay
    Patent number: 11070049
    Abstract: A mobile application includes a motive power circuit having a power storage device and an electrical load, where the power storage device and the electrical load are selectively electrically coupled through a power bus. The application includes a power distribution unit (PDU) electrically interposed between the power storage device and the electrical load, where the PDU includes a breaker/relay positioned on one of a high side and a low side of the power storage device. The breaker/relay includes a fixed contact and a moveable contact selectively electrically coupled to the fixed contact, where the moveable contact allows power flow through the power bus when electrically coupled to the fixed contact, and prevents power flow through the power bus when not electrically coupled to the fixed contact. The breaker/relay includes an armature coupled to the moveable contact, and capable to open or close the motive power circuit.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: July 20, 2021
    Assignee: Eaton Intelligent Power Limited
    Inventors: Martin Wayne Mensch, Brandon William Fisher, Robert Stephen Douglass, Austin Robert Zurface, Jeff Howard Urian, James David, Bharath Suda, Asheesh Soni, Karsten Gerving, Guido Völlmar, Gerd Schmitz, Christoph Bausch, Ute Molitor, Lutz Friedrichsen, Kai Schroeder, Julia Otte, Madeline Philipsohn, Norbert Roesner, Volker Lang, Johannes Meissner, Paolo D'amico, Jalpa Shah, Meng Wang, Damrongrit Piyabongkarn, Niles Stephen Ramseyer, Dennis Dukaric, Matt Haylock, Justin Keith Griffiths
  • SYSTEM, METHOD, AND APPARATUS FOR MULTI-PORT POWER CONVERTER AND INVERTER ASSEMBLY
    Publication number: 20210218242
    Abstract: A multi-port power converter includes a housing that includes a plurality of ports structured to electrically interface to a plurality of loads, the plurality of loads having distinct electrical characteristics. The multi-port power converter also includes a plurality of solid state components configured to provide selected electrical power outputs and to accept selected electrical power inputs and a plurality of solid state switches configured to provide selected connectivity between the plurality of solid state components and the plurality of ports.
    Type: Application
    Filed: March 31, 2021
    Publication date: July 15, 2021
    Inventors: Martin Wayne Mensch, Brandon William Fisher, Robert Stephen Douglass, Austin Robert Zurface, Jeff Howard Urian, James David, Bharath Suda, Asheesh Soni, Karsten Gerving, Guido Völlmar, Gerd Schmitz, Christoph Bausch, Ute Molitor, Lutz Friedrichsen, Kai Schroeder, Julia Otte, Madeline Philipsohn, Norbert Roesner, Volker Lang, Johannes Meissner, Paolo D'amico, Jalpa Shah, Meng Wang, Damrongrit Piyabongkarn, Niles Stephen Ramseyer, Dennis Dukaric, Matt Haylock, Justin Keith Griffiths
  • SYSTEM, METHOD, AND APPARATUS FOR MULTI-PORT POWER CONVERTER AND INVERTER ASSEMBLY
    Publication number: 20200381915
    Abstract: A multi-port power converter includes a housing that includes a plurality of ports structured to electrically interface to a plurality of loads, the plurality of loads having distinct electrical characteristics. The multi-port power converter also includes a plurality of solid state components configured to provide selected electrical power outputs and to accept selected electrical power inputs and a plurality of solid state switches configured to provide selected connectivity between the plurality of solid state components and the plurality of ports.
    Type: Application
    Filed: August 14, 2020
    Publication date: December 3, 2020
    Inventors: Martin Wayne Mensch, Brandon William Fisher, Robert Stephen Douglass, Austin Robert Zurface, Jeff Howard Urian, James David, Bharath Suda, Asheesh Soni, Karsten Gerving, Guido Völlmar, Gerd Schmitz, Christoph Bausch, Ute Molitor, Lutz Friedrichsen, Kai Schroeder, Julia Otte, Madeline Philipsohn, Norbert Roesner, Volker Lang, Johannes Meissner, Paolo D'amico, Jalpa Shah, Meng Wang, Damrongrit Piyabongkarn, Niles Stephen Ramseyer, Dennis Dukaric, Matt Haylock, Justin Keith Griffiths
  • Method and device for controlling an electromagnetic drive of a switching device
    Patent number: 10763065
    Abstract: A method for controlling an electromagnetic drive of a switching device by means of a program, wherein a processor configured by the program executes the following steps: measuring a control voltage applied at an input of the switching device; activating the electromagnetic drive on the basis of the measured control voltage; and setting a rated voltage range on the basis of the measured control voltage.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: September 1, 2020
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Wolfgang Meid, Lutz Friedrichsen, Ingo Schaar
  • POWER DISTRIBUTION AND CIRCUIT PROTECTION FOR A MOBILE APPLICATION HAVING A HIGH EFFICIENCY INVERTER
    Publication number: 20200274375
    Abstract: A power electronics assembly for a mobile application includes a first power electronics component selectively coupled to a high source on a first side and coupled to a high voltage battery on a second side, a second power electronics component selectively coupled to one of a low load or a low voltage battery on a first side and coupled to the high voltage battery on a second side; and a controller, including an operating mode circuit structured to determine a discharge operating mode for the mobile application, a power electronics configuration circuit structured to provide a switch state value for the first power electronics component and the second power electronics component in response to the discharge operating mode, and wherein the first power electronics component and the second power electronics component are responsive to the switch state value to coupled selected ones of the high source, low load, and low voltage battery to the high voltage battery.
    Type: Application
    Filed: March 23, 2020
    Publication date: August 27, 2020
    Inventors: Justin Keith Griffiths, Nilesh Surase, Ritika Shetty, Shalini Tripathy, Somdut Dey, Madhavi Gupta, Mayura Madane, Sadiya Qureshi, Toseed Khan, Amit Chavan, Kumar Prasad Telikepalli, Atul Solvande, Hao Wang, Jiong Chen, Yueyue Deng, Jason Carroll, Srinivasan Arjun Tekalur, Jacob William Green, Chakravarthi Kandru, Cheng Luo, Tianyang Jiang, Cheng Wan, Ye Zhu, John Trublowski, Robert Stephen Douglass, Rajen Modi, Nilay Mehta, Laura Natali Valencia Fritsch, Han Li, Dongxin Jin, Lewei Qian, Jun Li, Hongrae Kim, Daniel R. Ouwenga, Patrick Herranz, Miroslav Horejs, Rohit Baranwal, Zhe Zhang, Martin Wayne Mensch, Brandon William Fisher, Austin Robert Zurface, Jeff Howard Urian, James David, Bharath Kumar Suda, Asheesh Kumar Soni, Rene Guy Gallet, Michael Scott Sullivan, Karsten Gerving, Guido Völlmar, Gerd Schmitz, Christoph Bausch, Ute Molitor, Lutz Friedrichsen, Kai Schroeder, Julia Otte, Madeline Philipsohn, Norbert Roesner, Volker Lang, Johannes Meissner, Paolo D'Amico, Jalpa Shah, Meng Wang, Damrongrit Piyabongkarn, Niles Stephen Ramseyer, Dennis Dukaric, Matt Haylock, Anvaya R. Hingangave, Devendra Patil
  • SYSTEM, METHOD, AND APPARATUS FOR POWER DISTRIBUTION IN AN ELECTRIC MOBILE APPLICATION USING A COMBINED BREAKER AND RELAY
    Publication number: 20190296541
    Abstract: A mobile application includes a motive power circuit having a power storage device and an electrical load, where the power storage device and the electrical load are selectively electrically coupled through a power bus. The application includes a power distribution unit (PDU) electrically interposed between the power storage device and the electrical load, where the PDU includes a breaker/relay positioned on one of a high side and a low side of the power storage device. The breaker/relay includes a fixed contact and a moveable contact selectively electrically coupled to the fixed contact, where the moveable contact allows power flow through the power bus when electrically coupled to the fixed contact, and prevents power flow through the power bus when not electrically coupled to the fixed contact. The breaker/relay includes an armature coupled to the moveable contact, and capable to open or close the motive power circuit.
    Type: Application
    Filed: April 10, 2019
    Publication date: September 26, 2019
    Inventors: Martin Wayne Mensch, Brandon William Fisher, Robert Stephen Douglass, Austin Robert Zurface, Jeff Howard Urian, James David, Bharath Suda, Asheesh Soni, Karsten Gerving, Guido Völlmar, Gerd Schmitz, Christoph Bausch, Ute Molitor, Lutz Friedrichsen, Kai Schroeder, Julia Otte, Madeline Philipsohn, Norbert Roesner, Volker Lang, Johannes Meissner, Paolo D'amico, Jalpa Shah, Meng Wang, Damrongrit Piyabongkarn, Niles Stephen Ramseyer, Dennis Dukaric, Matt Haylock
  • METHOD AND DEVICE FOR CONTROLLING AN ELECTROMAGNETIC DRIVE OF A SWITCHING DEVICE
    Publication number: 20180330904
    Abstract: A method for controlling an electromagnetic drive of a switching device by means of a program, wherein a processor configured by the program executes the following steps: measuring a control voltage applied at an input of the switching device; activating the electromagnetic drive on the basis of the measured control voltage; and setting a rated voltage range on the basis of the measured control voltage.
    Type: Application
    Filed: November 7, 2016
    Publication date: November 15, 2018
    Applicant: EATON INTELLIGENT POWER LIMITED
    Inventors: Wolfgang Meid, Lutz Friedrichsen, Ingo Schaar
  • Switch with quenching chamber
    Patent number: 9214305
    Abstract: A switch for multi-pole direct current service independent of polarity includes a plurality of switching chambers. Each chamber includes a double interrupter having two separate fixed contacts with a first contact area, a movable contact piece with two second contact areas, each for creating a connection between the contact areas in an ON state and for separating the contact areas in an OFF state, and at least two quenching devices for quenching arcs occurring when the OFF state is brought about. The switch also includes magnets for exerting a magnetic field in an area of the contact areas to exert a magnetic force on the arcs and drive the arcs, independent of their current direction, in the direction of one of the erasing devices. The contact pieces are disposed with the second contact areas essentially in a line perpendicular to a direction of motion of the arcs.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: December 15, 2015
    Assignee: EATON ELECTRICAL IP GMBH & CO. KG
    Inventors: Volker Lang, Lutz Friedrichsen
  • Switch having a quenching chamber
    Patent number: 9208977
    Abstract: A switch for polarity-independent multi-pole direct current operation includes at least two switching chambers. Each switching chamber includes a single circuit breaker with a stationary contact having a first contact region and a movable electrically conductive contact part having a second contact region. The stationary contact and movable contact part are configured to create a connection between the first and the second contact regions in the ON state and to disconnect the first and the second contact regions in the OFF state. Each chamber also includes two arc chutes for quenching an arc forming between the first and the second contact regions when switching to the OFF state. At least two magnets are configured to generate a magnetic field so as to exert a magnetic force on the arcs to divert each arc in a direction of an arc chute independent of the direction of current.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: December 8, 2015
    Assignee: EATON ELECTRICAL IP GMBH & CO. KG
    Inventors: Volker Lang, Lutz Friedrichsen
  • Switch unit with arc-extinguishing units
    Patent number: 8921728
    Abstract: A switch suitable for DC applications includes: two fixed conductive contacts with first contact areas; a movable conductive bridge with two second contact areas for being connected to the two first contact areas in the on-status and for being disconnected from the two the first contact areas in the off-status; and two arc-extinguishing units configured to extinguish electric arcs occurring between the first and second contact areas after disconnecting the second contact areas from the first contact areas. First conductive arc-guiding elements extend from each first contact area into the corresponding arc-extinguishing unit and at least one second conductive arc-guiding element extends into the arc-extinguishing units suitably shaped to guide the electric arcs from each of the second contact areas of the movable bridge into the arc-extinguishing units.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: December 30, 2014
    Assignee: Eaton Electrical IP GmbH & Co. KG
    Inventors: Volker Lang, Lutz Friedrichsen