Patents by Inventor Ursula Froehlich

Ursula Froehlich 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).

  • Combination power plant with injection device for injecting water into the live steam
    Patent number: 6405525
    Abstract: A combination power plant comprises at least one gas turbine system, a steam turbine, as well as a waste heat steam generator, where the hot waste gases of the gas turbine system flow through said waste heat steam generator and said waste heat steam generator generates steam within a water/steam cycle for operating the steam turbine, and said waste heat steam generator comprises at least one evaporator and a superheater that follows the evaporator, where said superheater delivers live steam via a live steam line to the steam turbine, whereby a first injection device for injecting water into the live steam is located in the live steam line, and where said injection device is supplied via a first supply line with injection water from a removal point in the water/steam cycle.
    Type: Grant
    Filed: September 7, 2000
    Date of Patent: June 18, 2002
    Assignee: Alstom
    Inventors: Francois Droux, Jurgen Reinhard, Ursula Froehlich, Peter Mueller, Hansueli Krieg