Patents by Inventor Jan Maibøll Buhl

Jan Maibøll Buhl 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).

  • Hydraulic control system
    Patent number: 6865886
    Abstract: A hydraulic control system (1) has a hydraulic motor (10), which is connected with a control valve (2) via two working lines (8, 9), the control valve (2) being connected with a low-pressure connection (T) and, via a compensation valve (4), with a high-pressure connection (P), to ensure that a return compensation valve (14, 15) is arranged in each working line, each return compensation valve (14, 15) having a nominal flow line (29), which extends unintersectedly in relation to the nominal flow line (28) of the compensation valve (4).
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: March 15, 2005
    Assignee: Sauer-Danfoss ApS
    Inventors: Knud Meldgaard Jensen, Carl Christian Dixen, Henrik Kjer Kristiansen, Hans Jørgen Jensen, Jan Maibøll Buhl