Patents by Inventor Erich Adlon

Erich Adlon 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 circuit
    Patent number: 6499296
    Abstract: A hydraulic circuit for controlling a consumer of a mobile work tool, wherein the pressure in supply and outlet lines towards the consumer is limited by means of pilot-controlled pressure control valves. The pilot control stage of these pressure control valves may be adjusted in accordance with a pilot control pressure corresponding to the load of the work tool.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: December 31, 2002
    Assignee: Mannesmann Rexroth AG
    Inventors: Thomas Weickert, Erich Adlon
  • Hydraulic circuit
    Patent number: 6367365
    Abstract: An LUDV-circuit for controlling at least one of a lower-load consumer and a higher-load consumer is disclosed, wherein a metering orifice and a downstream pressure compensator for maintaining constant the pressure drop across the metering orifice constant are associated with each consumer. The pressure compensator of the lower-load consumer is associated with a bypass channel capable of being controlled open, whereby the pressure compensator of this consumer may be bypassed.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: April 9, 2002
    Assignee: Mannesmann Rexroth AG
    Inventors: Thomas Weickert, Erich Adlon