Patents by Inventor Sven VON FELLENBERG

Sven VON FELLENBERG 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).

  • Air injection device for hydraulic turbine
    Patent number: 11781519
    Abstract: An air injection device for a hydraulic turbine includes: a body having a first end and a second end; an air injection passage extending through the body from the second end to the first end; a protrusion disposed at the first end of the body; and one or more air injection holes disposed in the protrusion.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: October 10, 2023
    Assignee: ANDRITZ HYDRO CANADA INC.
    Inventors: Sven von Fellenberg, Samer Afara, John DiSciullo
  • AIR INJECTION DEVICE FOR HYDRAULIC TURBINE
    Publication number: 20230040870
    Abstract: An air injection device for a hydraulic turbine includes: a body having a first end and a second end; an air injection passage extending through the body from the second end to the first end; a protrusion disposed at the first end of the body; and one or more air injection holes disposed in the protrusion.
    Type: Application
    Filed: August 9, 2021
    Publication date: February 9, 2023
    Inventors: Sven von Fellenberg, Samer Afara, John DiSciullo
  • Francis turbine with short blade and short band
    Patent number: 10465647
    Abstract: A Francis turbine runner including a shortened band length and a shortened blade length combined with a reversed runner blade leading edge having a junction of the leading edge with the band forerunning a junction of the leading edge with the crown in the rotational direction, and a bandless runner including a shortened periphery length and a shortened blade length combined with a reversed runner blade leading edge having a corner of the leading edge at the outer periphery of the runner that is in advance of where the leading edge joins the crown in the rotational direction. Additional feature includes an inverted trailing edge curvature design on the runner blade that further shortens the blade length.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: November 5, 2019
    Assignee: Andritz Hydro Ltd.
    Inventor: Sven Von Fellenberg
  • Francis Turbine With Short Blade and Short Band
    Publication number: 20170211539
    Abstract: A Francis turbine runner including a shortened band length and a shortened blade length combined with a reversed runner blade leading edge having a junction of the leading edge with the band forerunning a junction of the leading edge with the crown in the rotational direction, and a bandless runner including a shortened periphery length and a shortened blade length combined with a reversed runner blade leading edge having a corner of the leading edge at the outer periphery of the runner that is in advance of where the leading edge joins the crown in the rotational direction. Additional feature includes an inverted trailing edge curvature design on the runner blade that further shortens the blade length.
    Type: Application
    Filed: April 30, 2015
    Publication date: July 27, 2017
    Inventor: Sven VON FELLENBERG