Patents by Inventor Ilppo Sandberg

Ilppo Sandberg 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).

  • High-pressure fan
    Patent number: 7125219
    Abstract: The invention relates to a high-pressure fan which comprises an electric motor provided with a shaft that goes through it; blade wheels which are mainly made of a carbon fibre-based composite material, arranged on both sides of the electric motor and mounted directly on the shaft of the electric motor; fan housings surrounding the blade wheels; and an intermediate channel which connects a pressure opening of one fan housing to a suction opening of the other fan housing, the intermediate channel being integrated into the base structure of the high-pressure fan.
    Type: Grant
    Filed: November 11, 2002
    Date of Patent: October 24, 2006
    Assignee: Flakt Woods AB
    Inventors: Dan Sarin, Kåre Lindroos, Joni Tallgren, Ilppo Sandberg, Jari Kuokkanen, Jukka Blåfield, Olli Majamäki
  • High-pressure fan
    Publication number: 20040247432
    Abstract: The invention relates to a high-pressure fan which comprises an electric motor (1) provided with a shaft (2) that goes through it; blade wheels (3, 4) which are mainly made of a carbon fibre-based composite material, arranged on both sides of the electric motor (1) and mounted directly on the shaft (2) of the electric motor; fan housings (5, 6) surrounding the blade wheels (3, 4); and an intermediate channel (7) which connects a pressure opening (9) of one fan housing (5) to a suction opening (11) of the other fan housing (6), the intermediate channel (7) being integrated into the base structure (8) of the high-pressure fan.
    Type: Application
    Filed: August 4, 2004
    Publication date: December 9, 2004
    Inventors: Dan Sarin, Kare Lindroos, Joni Tallgren, Ilppo Sandberg, Jari Kuokkanen, Jukka Blafield, Olli Majamaki