Patents by Inventor Per STÅLHAMMAR

Per STÅLHAMMAR 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).

  • FOUR STROKE INTERNAL COMBUSTION ENGINE AND THERETO-RELATED METHOD
    Publication number: 20190153906
    Abstract: Provided is a four stroke internal combustion engine comprising at least one cylinder arrangement, a crankshaft, a camshaft, and a turbine. The camshaft is synchronized with the crankshaft to rotate at a same rotational speed as the crankshaft. A linkage arrangement is configured to prevent the motion of the valve head every alternate rotation of the camshaft, such that the exhaust opening remains closed during a compression stroke of the piston. Also a method for controlling a four stroke internal combustion engine is disclosed.
    Type: Application
    Filed: May 8, 2017
    Publication date: May 23, 2019
    Applicant: Scania CV AB
    Inventors: Eric OLOFSSON, Andreas DAHL, Johan LINDERYD, Henrik HÖGLUND, Torbjörn ELIASSEN, Per STÅLHAMMAR, Jonas ASPFORS