Patents by Inventor Hans Frederik Kjellnes

Hans Frederik Kjellnes 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).

  • Contra rotating wet gas compressor
    Patent number: 9476427
    Abstract: A counter-rotating wet gas compressor for deployment and operation on the sea floor is described. The compressor has alternating rows of impellers, with each successive row of impellers being mounted a central hub or to an outer sleeve. According to some embodiments, no static diffusers are positioned between the alternating counter-rotating rows of impellers such that the design is structurally robust, compact and capable of compressing fluids that contain significant portions of liquid phase.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: October 25, 2016
    Assignee: FRAMO ENGINEERING AS
    Inventors: Bernt Helge Torkildsen, Per Gunnar Vikre, Hans Frederik Kjellnes
  • Contra Rotating Wet Gas Compressor
    Publication number: 20140147243
    Abstract: A counter-rotating wet gas compressor for deployment and operation on the sea floor is described. The compressor has alternating rows of impellers, with each successive row of impellers being mounted a central hub or to an outer sleeve. According to some embodiments, no static diffusers are positioned between the alternating counter-rotating rows of impellers such that the design is structurally robust, compact and capable of compressing fluids that contain significant portions of liquid phase.
    Type: Application
    Filed: November 28, 2012
    Publication date: May 29, 2014
    Applicant: FRAMO ENGINEERING AS
    Inventors: Bernt Helge Torkildsen, Per Gunnar Vikre, Hans Frederik Kjellnes