Patents by Inventor Carl-Erik Rösgren

Carl-Erik Rösgren 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 feeding arrangement for piston engine
    Patent number: 6912978
    Abstract: A piston engine includes a feed channel for conducting combustion air to the engine, a collecting container for receiving combustion air from the feed channel, and a feed pipe for conducting combustion air from the collecting container to a cylinder of the engine. Moistening fluid is introduced into the combustion air at a location upstream of the feed pipe and a droplet separator removes droplets of moistening fluid from air flowing through the feed pipe.
    Type: Grant
    Filed: February 22, 2003
    Date of Patent: July 5, 2005
    Assignee: Wartsila Technology Oy AB
    Inventors: Tero Raikio, Carl-Erik Rösgren