Patents by Inventor William Jeffrey VELKOFF, JR.

William Jeffrey VELKOFF, JR. 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).

  • Inadvertent actuation block valve for a small modular nuclear reactor
    Patent number: 11521757
    Abstract: An inadvertent actuation block valve includes inlet and outlet orifices being in selective fluid communication via a chamber. A disc is disposed within the chamber and a bellows is configured to contract at a predetermined pressure differential between reactor fluid entering a reference pressure orifice and control fluid entering the inlet orifice. When the bellows contracts, the disc engages the outlet orifice and isolates fluid communication between the inlet and outlet orifices. The inadvertent actuation block valve prevents inadvertent opening of an emergency core cooling valve when a reactor is at operating pressure that is above the predetermined set pressure range. The inadvertent actuation block valve permits the emergency cooling valves to open and to remain open when reactor pressure is below the predetermined set pressure range. The inadvertent actuation block valve does not impede long term emergency cooling that occurs when the reactor is at low pressure.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: December 6, 2022
    Assignees: CURTISS-WRIGHT FLOW CONTROL CORPORATION, NUSCALE POWER LLC
    Inventors: Hugh S. O'Brien, William Jeffrey Velkoff, Jr.
  • INADVERTENT ACTUATION BLOCK VALVE FOR A SMALL MODULAR NUCLEAR REACTOR
    Publication number: 20190362861
    Abstract: An inadvertent actuation block valve includes inlet and outlet orifices being in selective fluid communication via a chamber. A disc is disposed within the chamber and a bellows is configured to contract at a predetermined pressure differential between reactor fluid entering a reference pressure orifice and control fluid entering the inlet orifice. When the bellows contracts, the disc engages the outlet orifice and isolates fluid communication between the inlet and outlet orifices. The inadvertent actuation block valve prevents inadvertent opening of an emergency core cooling valve when a reactor is at operating pressure that is above the predetermined set pressure range. The inadvertent actuation block valve permits the emergency cooling valves to open and to remain open when reactor pressure is below the predetermined set pressure range. The inadvertent actuation block valve does not impede long term emergency cooling that occurs when the reactor is at low pressure.
    Type: Application
    Filed: March 6, 2019
    Publication date: November 28, 2019
    Inventors: Hugh S. O'BRIEN, William Jeffrey VELKOFF, JR.