Patents by Inventor Gerhard Klebert

Gerhard Klebert 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).

  • Positioner for a valve that can be actuated by a drive
    Patent number: 6695282
    Abstract: A positioner for a valve that is actuated by means of a drive. The positioner includes a locator (9) and a control unit (13). The locator (9) detects the actual position of an actuator (7). The control unit (13) compares the actual position with a predefined desired position, and generates an actuating signal. A magnet (18) having a magnetoresistive sensor, preferably a GMR sensor, is provided as the locator. The locator (9) is less susceptible to dirt and less prone to wear and tear than a conventional slide potentiometer. The positioner is thus less fault-prone.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: February 24, 2004
    Assignee: Siemens Aktiengesellschaft
    Inventors: Wolfgang Clemens, Klaus-Dieter Fiebelkorn, Gerhard Klebert, Klaus Ludwig, Andre-Heinrich Meinhof, Holger Schmaedicke
  • Diagnostic system and method, especially for a valve
    Patent number: 6637267
    Abstract: The invention relates to a diagnostic system and method, especially for a valve (2) that can be actuated by a positioner (9) via a drive (6). The system utilizes a sensor (12) for recording structure-related sound and has a device (14) for evaluating a recorded measurement signal (13). A spectral region greater than 50 kHz is evaluated for conducting fault recognition. A fault indication signal is generated if the intensity of the measurement signal in this spectral region exceeds a defined threshold value. The sound caused by cavitation is primarily evaluated for conducting fault recognition.
    Type: Grant
    Filed: March 29, 2002
    Date of Patent: October 28, 2003
    Assignee: Siemens Aktiengesellschaft
    Inventors: Klaus-Dieter Fiebelkorn, Gerhard Klebert, Alf Puettmer
  • Positioner for a valve that can be actuated by a drive
    Publication number: 20030136929
    Abstract: A positioner for a valve that is actuated by means of a drive. The positioner includes a locator (9) and a control unit (13). The locator (9) detects the actual position of an actuator (7). The control unit (13) compares the actual position with a predefined desired position, and generates an actuating signal. A magnet (18) having a magnetoresistive sensor, preferably a GMR sensor, is provided as the locator. The locator (9) is less susceptible to dirt and less prone to wear and tear than a conventional slide potentiometer. The positioner is thus less fault-prone.
    Type: Application
    Filed: October 4, 2002
    Publication date: July 24, 2003
    Applicant: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Wolfgang Clemens, Klaus-Dieter Fiebelkorn, Gerhard Klebert, Klaus Ludwig, Andre-Heinrich Meinhof, Holger Schmaedicke
  • Diagnostic system and method, especially for a valve
    Publication number: 20030019297
    Abstract: The invention relates to a diagnostic system and method, especially for a valve (2) that can be actuated by a positioner (9) via a drive (6). The system utilizes a sensor (12) for recording structure-related sound and has a device (14) for evaluating a recorded measurement signal (13). A spectral region greater than 50 kHz is evaluated for conducting fault recognition. A fault indication signal is generated if the intensity of the measurement signal in this spectral region exceeds a defined threshold value. The sound caused by cavitation is primarily evaluated for conducting fault recognition.
    Type: Application
    Filed: March 29, 2002
    Publication date: January 30, 2003
    Applicant: SIEMENS AG
    Inventors: Klaus-Dieter Fiebelkorn, Gerhard Klebert, Alf Puettmer