Patents by Inventor Franz Thomsen

Franz 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).

  • Fluid machine having cooperating displacement elements and a housing partially covering the displacement elements
    Patent number: 6227833
    Abstract: There is disclosed a hydraulic or pneumatic machine having a first displacement element (8) that is rotatable about an axis of rotation connected to a shaft (10) so as to rotate therewith, which shaft is mounted rotatably in a housing (2), and co-operates with a second displacement element (9). The structure of such a machine is to be improved. For that purpose, the housing (2) has a pocket (3) in which the displacement elements (8, 9) are so arranged that the housing (2) covers the displacement elements (8, 9) axially on both sides (4, 5) at least in a working region and in the circumferential direction over a maximum of 180°.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: May 8, 2001
    Assignee: Danfoss A/S
    Inventors: Peter Frøslev, Ingvard Mosby Madsen, Jørn Holger Klausen, Franz Thomsen