Patents by Inventor Stefan Wanz

Stefan Wanz 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).

  • Liquid injection in a gas turbine during a cooling down phase
    Patent number: 7752847
    Abstract: The invention relates to a method for cooling a gas turbine comprising a rotor, said method being carried out after the operation of the gas turbine and whereby the rotor is driven at least intermittently during a cooling phase at a reduced nominal speed. To provide a gas turbine with a reduced down time, a liquid is introduced at least intermittently into the air stream upstream of the compressor during the cooling phase.
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: July 13, 2010
    Assignee: Siemens Akteingesellschaft
    Inventors: Hajrudin Ceric, Giuseppe Gaio, Frank Günther, Armin Hülfenhaus, Gerhard Hülsemann, Gabriel Jungnickel-Marques, Stefan Wanz
  • Liquid Injection in a Gas Turbine During a Cooling Down Phase
    Publication number: 20070251210
    Abstract: The invention relates to a method for cooling a gas turbine comprising a rotor, said method being carried out after the operation of the gas turbine and whereby the rotor is driven at least intermittently during a cooling phase at a reduced nominal speed. To provide a gas turbine with a reduced down time, a liquid is introduced at least intermittently into the air stream upstream of the compressor during the cooling phase.
    Type: Application
    Filed: August 12, 2005
    Publication date: November 1, 2007
    Inventors: Hajrudin Ceric, Giuseppe Gaio, Frank Gunther, Armin Hulfenhaus, Gerhard Hulsemann, Gabriel Jungnickel-Marques, Stefan Wanz