Patents by Inventor Bjarne Henriksen

Bjarne Henriksen 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).

  • Two-phase permanent magnet motor
    Patent number: 7821221
    Abstract: The invention relates to a two-phase permanent magnet motor which is controlled by a frequency converter. The frequency converter is advantageously provided with a three-phase inverter having six switches that are controlled in such a manner as to minimize switching losses.
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: October 26, 2010
    Assignee: Grundfos Management a/s
    Inventors: Henrik Kragh, Bjarne Henriksen
  • Submersible motor
    Patent number: 7821222
    Abstract: A submersible motor is provided for a submersible pump, the motor being configured as a single-phase asynchronous motor, which includes a main winding (6), an auxiliary winding (8), and a starting device (10, 14, 16, 18, 20, 22) for controlling the starting procedure of the submersible motor. The starting device (10, 14, 16, 20, 22) for the control of the current feed of the auxiliary winding (8) includes at least one electronic switch (20) in the circuit of the auxiliary winding (8).
    Type: Grant
    Filed: March 13, 2006
    Date of Patent: October 26, 2010
    Assignee: Grundfos Management a/s
    Inventors: Hakon Borsting, Bjarne Henriksen, Claus B. Rasmussen
  • Sumbersible Motor
    Publication number: 20080191659
    Abstract: A submersible motor is provided for a submersible pump, the motor being configured as a single-phase asynchronous motor, which includes a main winding (6), an auxiliary winding (8), and a starting device (10, 14, 16, 18, 20, 22) for controlling the starting procedure of the submersible motor. The starting device for the control of the current feed of the auxiliary winding (8) includes at least one electronic switch (20) in the circuit of the auxiliary winding (8).
    Type: Application
    Filed: March 13, 2006
    Publication date: August 14, 2008
    Applicant: GRUNDFOS MANAGEMENT A/S
    Inventors: Hakon Borsting, Bjarne Henriksen, Claus B. Rasmussen
  • Two-Phase Permanent Magnet Motor
    Publication number: 20080143284
    Abstract: The invention relates to a two-phase permanent magnet motor which is controlled by a frequency converter. The frequency converter is advantageously provided with a three-phase inverter having six switches that are controlled in such a manner as to minimize switching losses.
    Type: Application
    Filed: January 24, 2006
    Publication date: June 19, 2008
    Applicant: GRUNDFOS MANAGEMENT A/S
    Inventors: Henrik Kragh, Bjarne Henriksen