Patents by Inventor Gerhard Hülsemann

Gerhard Hülsemann 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).

  • GAS TURBINE COMPRISING A WET COMPRESSION DEVICE FOR INTRODUCING A SURFACTANT LIQUID MIXTURE
    Publication number: 20190017411
    Abstract: A gas turbine having a wet compression device which allows droplets of an aqueous liquid mixture to be introduced into a compressor of the gas turbine during operation of the gas turbine, the aqueous liquid mixture containing at least one surfactant. The aqueous liquid mixture additionally contains at least a defoaming agent, and the gas turbine has a second metering device, which is designed to feed a predetermined quantity of defoaming agent into water which is provided for use in the wet compression device.
    Type: Application
    Filed: November 9, 2016
    Publication date: January 17, 2019
    Applicant: Siemens Aktiengesellschaft
    Inventors: Gerhard Hülsemann, Nicolas Savilius
  • Method for setting a radial gap of an axial-throughflow turbomachine and compressor
    Patent number: 7766611
    Abstract: The invention relates a method for improving the hot-starting behavior of a turbomachine. By virtue of the setting of a radial gap formed between a brushing edge of a blade profile and a guide face lying opposite this, in which setting a guide ring forming the guide face can be acted upon with a coolant, the hot-starting behavior can be improved, in that the guide ring is cooled before the start of the machine.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: August 3, 2010
    Assignee: Siemens Aktiengesellschaft
    Inventors: Tobias Buchal, Gerhard Hülsemann, Mirko Milazar, Dieter Minninger, Michael Neubauer, Harald Nimptsch, Heinrich Pütz, Kang Qian, Arnd Reichert, Volker Vosberg
  • 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