Patents by Inventor Peter George Clarke

Peter George Clarke 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).

  • Valve actuators
    Patent number: 9335745
    Abstract: A valve actuator having a drive shaft, which, in use, is configured to adjust a valve between an open position and a closed position, an AC induction motor for driving the drive shaft a contactless position sensor configured to, in use, output a signal representing an angular position of the drive shaft or the valve, and a controller configured to control the AC motor in accordance with the signal output by position sensor.
    Type: Grant
    Filed: November 27, 2012
    Date of Patent: May 10, 2016
    Assignee: EATON LIMITED
    Inventors: Brian Cooper, Peter George Clarke
  • VALVE ACTUATORS
    Publication number: 20150108937
    Abstract: A valve actuator having a drive shaft, which, in use, is configured to adjust a valve between an open position and a closed position, an AC induction motor for driving the drive shaft a contactless position sensor configured to, in use, output a signal representing an angular position of the drive shaft or the valve, and a controller configured to control the AC motor in accordance with the signal output by position sensor.
    Type: Application
    Filed: November 27, 2012
    Publication date: April 23, 2015
    Applicant: EATON AEROSPACE LIMITED
    Inventors: Brian Cooper, Peter George Clarke