Patents by Inventor Hans-Juergen Jacobs

Hans-Juergen Jacobs 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).

  • Hot gas engine operating in accordance with the stirling principle
    Patent number: 4691515
    Abstract: A hot gas engine operating with a Stirling cycle includes a cylindrical space filled with a process gas and containing one or two working pistons and one or two displacement pistons moveable longitudinally in relation to each other. The displacement piston or pistons are integrated with the respective regenerator. The working and displacement piston or pistons are associated with transmission gears constructed as thrust crank transmissions so as to convert rotary motion into longitudinal piston displacement motion and vice-versa.
    Type: Grant
    Filed: March 8, 1985
    Date of Patent: September 8, 1987
    Assignee: ERNO Raumfahrttechnik GmbH
    Inventors: Dietrich Ehrig, Hans-Juergen Jacobs