Patents by Inventor Dirk Matthes

Dirk Matthes 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).

  • Gas turbine rotor positioning device
    Patent number: 9683461
    Abstract: A device for positioning the rotor of a gas turbine by linearly actuating a piston rod that actuates on its end a ratched wheel that moves the rotor of the gas turbine. The device includes an eccentric wheel and a synchronous motor. The piston rod is moved through the eccentric wheel, which is connected to the synchronous motor. The device also includes an incremental counter controlling the angular position of the synchronous motor. The device can permit accurate positioning of the rotor for boroscopic inspection.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: June 20, 2017
    Assignee: ANSALDO ENERGIA SWITZERLAND AG
    Inventors: Felix Staehli, Axel Haerms, Dirk Matthes
  • Method for automatic positioning of a gas turbine rotor
    Patent number: 9671792
    Abstract: A method for positioning a rotor of a gas turbine automatically is provided that includes gathering data with a control unit, and processing this data to bring the rotor to a desired position which is set according a Human Machine Interface (HMI). The indication of the lay of the rotor to the control unit is done by a key phasor, which includes a sensor which gets a digital pulse for each revolution of a phasor cam wheel. This digital pulse is used to give the information of the lay of the rotor to the control unit.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: June 6, 2017
    Assignee: ANSALDO ENERGIA IP UK LIMITED
    Inventors: Felix Staehli, Axel Haerms, Dirk Matthes
  • Emergency shut-off signal generator for a valve assembly
    Patent number: 8978682
    Abstract: A control system includes a first valve configured to block a fluid flow between a first section of a flow line and a second section of the flow line in response to a first emergency shut-off signal of a first signal type. A second valve is configured to block the second section of the flow line and a third section of the flow line in response to a second emergency shut-off signal of a second signal type, wherein the first signal type differs from the second signal type.
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: March 17, 2015
    Assignee: Alstom Technology Ltd
    Inventors: Andreas Belzner, Dirk Matthes
  • GAS TURBINE ROTOR POSITIONING DEVICE
    Publication number: 20140311260
    Abstract: The invention refers to a device for positioning the rotor of a gas turbine linearly actuating a piston rod that actuates on its end a ratched wheel that moves the rotor of the gas turbine. The device includes an eccentric wheel and a synchronous motor, such that the piston rod is moved through the eccentric wheel, connected to the synchronous motor. The device also includes an incremental counter controlling the angular position of the synchronous motor.
    Type: Application
    Filed: April 17, 2014
    Publication date: October 23, 2014
    Inventors: Felix STAEHLI, Axel Haerms, Dirk Matthes
  • METHOD FOR AUTOMATIC POSITIONING OF A GAS TURBINE ROTOR
    Publication number: 20140309786
    Abstract: A method for positioning a rotor of a gas turbine automatically is provided that includes gathering data with a control unit, and processing this data to bring the rotor to a desired position which is set according a Human Machine Interface (HMI). The indication of the lay of the rotor to the control unit is done by a key phasor, which includes a sensor which gets a digital pulse for each revolution of a phasor cam wheel. This digital pulse is used to give the information of the lay of the rotor to the control unit.
    Type: Application
    Filed: April 11, 2014
    Publication date: October 16, 2014
    Inventors: Felix STAEHLI, Axel HAERMS, Dirk MATTHES
  • EMERGENCY SHUT-OFF
    Publication number: 20130061953
    Abstract: A control system includes a first valve configured to block a fluid flow between a first section of a flow line and a second section of the flow line in response to a first emergency shut-off signal of a first signal type. A second valve is configured to block the second section of the flow line and a third section of the flow line in response to a second emergency shut-off signal of a second signal type, wherein the first signal type differs from the second signal type.
    Type: Application
    Filed: May 16, 2012
    Publication date: March 14, 2013
    Applicant: ALSTOM TECHNOLOGY LTD
    Inventors: Andreas Belzner, Dirk Matthes