Patents by Inventor Rudi Thomsen

Rudi Thomsen 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).

  • Raising drive and method for controlling a raising drive
    Patent number: 8356544
    Abstract: The invention concerns a method for controlling a raising drive, the raising process occurring by means of pressure activation of at least one lift cylinder and the lowering process occurring by means of relieving, and a control of the lowering speed occurring by means of a variable flow resistance. In order to achieve a load-independent lowering speed, the flow resistance is determined in dependence of at least one load signal.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: January 22, 2013
    Assignee: Sauer-Danfoss Aps
    Inventors: Martin Raadkjaer Joergensen, Rudi Thomsen
  • RAISING DRIVE AND METHOD FOR CONTROLLING A RAISING DRIVE
    Publication number: 20090045017
    Abstract: The invention concerns a method for controlling a raising drive, the raising process occurring by means of pressure activation of at least one lift cylinder and the lowering process occurring by means of relieving, and a control of the lowering speed occurring by means of a variable flow resistance. In order to achieve a load-independent lowering speed, the flow resistance is determined in dependence of at least one load signal.
    Type: Application
    Filed: August 7, 2008
    Publication date: February 19, 2009
    Applicant: Sauer-Danfoss Aps
    Inventors: Martin Raadkjaer Joergensen, Rudi Thomsen