Patents by Inventor Kais Sfar

Kais Sfar 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).

  • Steam turbine having bearing struts
    Patent number: 8550773
    Abstract: A steam turbine having an exhaust-steam casing for directing an exhaust-steam mass flow, a shaft bearing for mounting a turbine shaft, and at least two bearing struts, by means of which the shaft bearing is fastened to the exhaust-steam casing, is characterized according to the invention in that each of the at least two bearing struts has a cooling cavity arranged in the respective bearing strut for directing a coolant, and the cooling cavities of the at least two bearing struts are connected in a fluidically conductive manner via a closed-off connecting cavity in the region of the shaft bearing.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: October 8, 2013
    Assignee: Siemens Aktiengesellschaft
    Inventors: Henning Almstedt, Stefan Essink, Norbert Pieper, Mark-Andre Schwarz, Kais Sfar
  • Steam Turbine Having Bearing Struts
    Publication number: 20100054927
    Abstract: A steam turbine having an exhaust-steam casing for directing an exhaust-steam mass flow, a shaft bearing for mounting a turbine shaft, and at least two bearing struts, by means of which the shaft bearing is fastened to the exhaust-steam casing, is characterized according to the invention in that each of the at least two bearing struts has a cooling cavity arranged in the respective bearing strut for directing a coolant, and the cooling cavities of the at least two bearing struts are connected in a fluidically conductive manner via a closed-off connecting cavity in the region of the shaft bearing.
    Type: Application
    Filed: November 30, 2006
    Publication date: March 4, 2010
    Inventors: Henning Almstedt, Stefan Essink, Norbert Pieper, Mark-Andre Schwarz, Kais Sfar