Patents by Inventor Jeffrey D. Seyller

Jeffrey D. Seyller 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).

  • Cut-off transition for control valve positioners
    Patent number: 10386862
    Abstract: The present invention includes a method, apparatus, and computer readable medium for controlling a valve. Example embodiments of the present invention described herein utilize a soft cutoff threshold and soft cutoff procedure at which point the controller monotonically ramps a servo set-point to slowly overdrive the servo beyond a calibrated set-point range, wherein the servo transitions into a hard cutoff when the servo set-point reaches a predefined overdrive threshold.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: August 20, 2019
    Assignee: FISHER CONTROLS INTERNATIONAL LLC
    Inventors: Kenneth W. Junk, Michel K. Lovell, Jimmie L. Snowbarger, Jeffrey D. Seyller
  • Cut-Off Transition for Control Valve Positioners
    Publication number: 20160098044
    Abstract: The present invention includes a method, apparatus, and computer readable medium for controlling a valve. Example embodiments of the present invention described herein utilize a soft cutoff threshold and soft cutoff procedure at which point the controller monotonically ramps a servo set-point to slowly overdrive the servo beyond a calibrated set-point range, wherein the servo transitions into a hard cutoff when the servo set-point reaches a predefined overdrive threshold.
    Type: Application
    Filed: October 6, 2015
    Publication date: April 7, 2016
    Inventors: Kenneth W. Junk, Michel K. Lovell, Jimmie L. Snowbarger, Jeffrey D. Seyller