Patents by Inventor Steve J. Provol

Steve J. Provol 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).

  • Control methods and valve arrangement for start-up and shutdown of pressurized combustion and gasification systems integrated with a gas turbine
    Patent number: 5309707
    Abstract: A power plant having a system for converting coal to power in a gas turbine comprises a coal fed pressurized circulating bed for converting coal to pressurized gases, a gas turbine having a compressor for pressurizing air for the pressurized circulating bed and expander for receiving and expanding hot combustion gases for powering a generator, a first fast acting valve for controlling the pressurized air, a second fast acting valve means for controlling pressurized gas from the compressor to the expander.
    Type: Grant
    Filed: March 12, 1993
    Date of Patent: May 10, 1994
    Assignee: Pyropower Corporation
    Inventors: Steve J. Provol, David B. Russell, Matti J. Isaksson