Patents by Inventor Siegfried Pachernegg

Siegfried Pachernegg 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).

  • Compression ignition direct injection internal combustion engine
    Patent number: 4207843
    Abstract: A compression ignition direct injection internal combustion engine comprising at least each one cylinder, a piston and an injection nozzle, the cylinder having an inlet port for inducing rotation of the incoming air about the axis of the cylinder and a combustion chamber or cavity in the form of a body of rotation disposed in the piston, said chamber having, below the crown of the piston, a constriction which divides the chamber into an upper and a lower part.
    Type: Grant
    Filed: April 21, 1978
    Date of Patent: June 17, 1980
    Assignee: Hans List
    Inventors: Hans List, Siegfried Pachernegg, Bruno Schukoff