Patents by Inventor James L. Jacoby

James L. Jacoby 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).

  • Quad-redundant hydraulic trip system
    Patent number: 8151813
    Abstract: A voting solenoid system and method is configured to selectively apply fluid pressure above and below a threshold value, to a fluid node. The voting solenoid arrangement includes first and second solenoid valve pairs, each pair including first and second solenoid valves. The valve pairs are located in parallel fluid communication with a fluid pressure source, each of the first and second solenoid valves being alternately actuatable between energized and de-energized states. The solenoid arrangement is configured so that a change of state of the first and second valves of either of the valve pairs alternately applies fluid pressure above and below the threshold value, to the fluid node.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: April 10, 2012
    Assignee: Invensys Systems, Inc.
    Inventors: James L. Jacoby, W Brian Piercy
  • Quad-redundant Hydraulic Trip System
    Publication number: 20090020161
    Abstract: A voting solenoid system and method is configured to selectively apply fluid pressure above and below a threshold value, to a fluid node. The voting solenoid arrangement includes first and second solenoid valve pairs, each pair including first and second solenoid valves. The valve pairs are located in parallel fluid communication with a fluid pressure source, each of the first and second solenoid valves being alternately actuatable between energized and de-energized states. The solenoid arrangement is configured so that a change of state of the first and second valves of either of the valve pairs alternately applies fluid pressure above and below the threshold value, to the fluid node.
    Type: Application
    Filed: June 20, 2008
    Publication date: January 22, 2009
    Inventors: James L. Jacoby, W. Brian Piercy