Patents by Inventor Hermann Eiden

Hermann Eiden 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).

  • Valve means for connecting at least one consumer to a hydraulic pressure line
    Patent number: 4794842
    Abstract: For connecting servohydraulic linear or rotation drives to a line with impressed pressure a valve means is provided which shuts off the pressure-carrying lines in leakage-free manner and connects the consumer line pressure-free to the tank. For a trial setting operation a fluid flow of reduced pressure and amount can be supplied to the consumers via an auxiliary means. The connection of the consumers is surge-free.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: January 3, 1989
    Assignee: Mannesmann Rexroth GmbH
    Inventor: Hermann Eiden