Patents by Inventor Gerhard Fruechtel

Gerhard Fruechtel 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).

  • Exhaust gas chimney
    Patent number: 7766731
    Abstract: An exhaust gas chimney, especially an exhaust gas chimney installed directly downstream of a gas turbine or downstream of the waste heat recovery boiler of a gas turbine, includes an inner shell formed as a metal tube and surrounded by a sound absorption ring filled with bulk material for sound absorption. The sound absorption ring is formed as a ring jacket provided with a lower end plate that slopes downward and is permanently joined with the inner shell of the chimney, and with an upper end plate that slopes upward toward the inner shell. Ribs are joined to the inner shell of the chimney inside the annular jacket.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: August 3, 2010
    Assignee: MAN Diesel & Turbo SE
    Inventors: Emil Aschenbruck, Markus Beukenberg, Gerhard Fruechtel
  • Exhaust gas chimney
    Publication number: 20070137638
    Abstract: An exhaust gas chimney, especially an exhaust gas chimney installed directly downstream of a gas turbine or downstream of the waste heat recovery boiler of a gas turbine, includes an inner shell formed as a metal tube and surrounded by a sound absorption ring filled with bulk material for sound absorption. The sound absorption ring is formed as a ring jacket provided with a lower end plate that slopes downward and is permanently joined with the inner shell of the chimney, and with an upper end plate that slopes upward toward the inner shell. Ribs are joined to the inner shell of the chimney inside the annular jacket.
    Type: Application
    Filed: December 5, 2006
    Publication date: June 21, 2007
    Applicant: MAN TURBO AG
    Inventors: Emil Aschenbruck, Markus Beukenberg, Gerhard Fruechtel