Patents by Inventor Stephan GRÜN

Stephan GRÜN 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).

  • Publication number: 20240384732
    Abstract: The invention relates to an actuation device for at least one fluidically drivable load (10), such as a hydraulic actuator, consisting of at least one valve controller (V1) for controlling an alternating movement of each load (10) and at least one suspension device (14) which is connected between the valve controller (V1) and each load (10), wherein the suspension device (14) has an additional valve controller (V2), the valve piston (20) of which can be moved in a corresponding valve housing in a continuously adjustable manner. The invention is characterized in that a storage device (16) of the suspension device (14) is connected to the respective load (10) via a fluid path by means of the additional valve controller (V2) in a suspension position (V2.IV) of the valve piston (20) of the additional valve controller (V2). The invention additionally relates to a method for actuating the respective load (10) using such an actuation device.
    Type: Application
    Filed: September 2, 2022
    Publication date: November 21, 2024
    Applicant: HYDAC Mobilhydraulik GmbH
    Inventors: Stephan Grün, Michael Berwanger
  • Patent number: 9719530
    Abstract: An electrohydraulic control circuit for driving a hydraulically actuated actuating element (5, 6), by means of which a segment (5.3) of a manipulator, in particular of a large manipulator for truck-mounted concrete pumps, can be adjusted in terms of its orientation, wherein there are provided an electrically driven first valve (2.4), which is connected to hydraulic working lines of the actuating element (5.6) for the drive thereof, and leak-free check valves (2.5, 2.6) provided in the working lines of the actuating element (5.6), which valves are arranged on the actuating element (5.6) or on the segment (5.3) associated with this actuating element (5.6) and can be released for the normal operation of the actuating element (5.6), wherein the release of the check valves (2.5, 2.6) is driven by an electronic control unit (ECU) separate from the first valve (2.4) and the check valves (2.5, 2.6).
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: August 1, 2017
    Assignee: TTControl GmbH
    Inventors: Marcus Specks, Marcus Pfeiffer, Stephan Grün, Reiner Vierkotten, Joseph Schnittker, Andreas Lehmann, Wolfgang Tebeek, Wolfgang Kemmetmüller, Johannes Henikl, Andreas Kugi
  • Publication number: 20160084270
    Abstract: An electrohydraulic control circuit for driving a hydraulically actuated actuating element (5, 6), by means of which a segment (5.3) of a manipulator, in particular of a large manipulator for truck-mounted concrete pumps, can be adjusted in terms of its orientation, wherein there are provided an electrically driven first valve (2.4), which is connected to hydraulic working lines of the actuating element (5.6) for the drive thereof, and leak-free check valves (2.5, 2.6) provided in the working lines of the actuating element (5.6), which valves are arranged on the actuating element (5.6) or on the segment (5.3) associated with this actuating element (5.6) and can be released for the normal operation of the actuating element (5.6), wherein the release of the check valves (2.5, 2.6) is driven by an electronic control unit (ECU) separate from the first valve (2.4) and the check valves (2.5, 2.6).
    Type: Application
    Filed: April 9, 2014
    Publication date: March 24, 2016
    Applicant: TTControl GmbH
    Inventors: Marcus SPECKS, Marcus PFEIFFER, Stephan GRÜN, Reiner VIERKOTTEN, Joseph SCHNITTKER, Andreas LEHMANN, Wolfgang TEBEEK, Wolfgang KEMMETMÜLLER, Johannes HENIKL