Patents by Inventor Bruno STEPHAN

Bruno STEPHAN 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).

  • Blade with tip shroud
    Patent number: 10323526
    Abstract: A blade includes a leading edge, a trailing edge, a pressure surface, a suction surface, a root end, a tip end, a tip shroud attached to the tip end, the tip shroud comprising a platform and a fin, wherein the fin having a leading edge side facing towards the leading edge of the blade, a trailing edge side facing towards the trailing edge of the blade, a back end and a front end, the leading edge side and the trailing edge side extending between the back end and the front end, the fin extending across the tip end of the blade at an angle to the chord of the blade at the tip end of the blade. A first platform portion extends from the leading edge side of the fin to the suction surface. A second platform portion extends from the trailing edge side of the fin to the pressure surface at the tip end of the blade.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: June 18, 2019
    Assignee: ANSALDO ENERGIA SWITZERLAND AG
    Inventors: Igor Tsypkaykin, Julien Nussbaum, Beat Von Arx, Bruno Stephan
  • BLADE WITH TIP SHROUD
    Publication number: 20160312625
    Abstract: A blade includes a leading edge, a trailing edge, a pressure surface, a suction surface, a root end, a tip end, a tip shroud attached to the tip end, the tip shroud comprising a platform and a fin, wherein the fin having a leading edge side facing towards the leading edge of the blade, a trailing edge side facing towards the trailing edge of the blade, a back end and a front end, the leading edge side and the trailing edge side extending between the back end and the front end, the fin extending across the tip end of the blade at an angle to the chord of the blade at the tip end of the blade. A first platform portion extends from the leading edge side of the fin to the suction surface. A second platform portion extends from the trailing edge side of the fin to the pressure surface at the tip end of the blade.
    Type: Application
    Filed: April 22, 2016
    Publication date: October 27, 2016
    Applicant: ANSALDO ENERGIA SWITZERLAND AG
    Inventors: Igor TSYPKAYKIN, Julien NUSSBAUM, Beat VON ARX, Bruno STEPHAN
  • Gas turbine
    Patent number: 8534999
    Abstract: A gas turbine is provided including a compressor, a combustion chamber, a guide vane row and a rotor airfoil row. The guide vane row includes a plurality of guide vane airfoils having a blade and an inner platform. The ratio between the pitch and the leading edge diameter of the guide vane airfoils is between 6.3-7.6 and the ratio between the platform length and the leading edge diameter of the guide vane airfoils is between 4.0-5.5.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: September 17, 2013
    Assignee: ALSTOM Technology Ltd
    Inventors: Bruno Stephan, Jörg Krückels, Thomas Sommer
  • GAS TURBINE
    Publication number: 20110058940
    Abstract: A gas turbine is provided including a compressor, a combustion chamber, a guide vane row and a rotor airfoil row. The guide vane row includes a plurality of guide vane airfoils having a blade and an inner platform. The ratio between the pitch and the leading edge diameter of the guide vane airfoils is between 6.3-7.6 and the ratio between the platform length and the leading edge diameter of the guide vane airfoils is between 4.0-5.5.
    Type: Application
    Filed: August 30, 2010
    Publication date: March 10, 2011
    Applicant: ALSTOM TECHNOLOGY LTD
    Inventors: Bruno STEPHAN, Jörg KRÜCKELS, Thomas SOMMER