Patents by Inventor Jens Engen Soerensen

Jens Engen Soerensen 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).

  • Patent number: 8698445
    Abstract: The method for activating an asynchronous motor comprising at least two windings is provided, in order, for the purpose of a change in the rotational speed, to connect a first winding and at least one second winding by way of at least two electronic switches. On switching, both switches are opened for one or more time intervals in order to avoid current peaks.
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: April 15, 2014
    Assignee: Grundfos Management a/s
    Inventors: Jan Caroe Aarestrup, Jens Engen Soerensen, Klaus Sloth Jensen
  • Publication number: 20110187306
    Abstract: The method for activating an asynchronous motor comprising at least two windings is provided, in order, for the purpose of a change in the rotational speed, to connect a first winding and at least one second winding by way of at least two electronic switches. On switching, both switches are opened for one or more time intervals in order to avoid current peaks.
    Type: Application
    Filed: July 25, 2008
    Publication date: August 4, 2011
    Applicant: GRUNDFOS MANAGEMENT A/S
    Inventors: Jan Caroe Aarestrup, Jens Engen Soerensen, Klaus Sloth Jensen