Patents by Inventor Klaus Puvogel

Klaus Puvogel 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).

  • Summation power output regulating system for at least two hydrostatic transmissions
    Patent number: 4880359
    Abstract: In a summation power output regulating system for first and second hydrostatic machines (3, 4), having a common drive and comprising at least two hydrostatic transmissions (1, 2), each of the machines (3, 4) having a hydraulic control device (7, 8), wherein the second machine (4) is provided with a hydraulic power output regulator (24) which regulates the pressure acting on the control device (8) in dependence on the power output of the second machine at that time and a control pressure, dependant on the working pressure of the first machine, is transmitted by means of a hydraulic actuator to the power output regulator (24), substantially 100% utilization of the power available is attained with a simple construction and function by providing the first machine (3) with a power output measuring valve (34; 63, 64) which determines the power output at the time and regulates the control pressure (P.sub.3) in dependence on the power output of the first machine.
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: November 14, 1989
    Assignee: Hydromatik GmbH
    Inventors: Hermann Hoffmeister, Klaus Puvogel, Reinhold Schniederjan