Patents by Inventor Henri Zawadzki

Henri Zawadzki 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).

  • Patent number: 4766857
    Abstract: The invention relates to the arrangement of a balancing device in a casing, for a reciprocating piston engine, which permits the evacuation of the lubricating oil. The device comprises two balancing shafts (7, 8) disposed in a main part (19) of the casing (11) and each fastened to one or two intermeshing pinions (21, 22) situated in an auxiliary part of the casing. A bottom oil passage (25a) provided between the two parts of the casing enables the pinions, acting as a draining pump, to fully drain the casing.
    Type: Grant
    Filed: September 9, 1987
    Date of Patent: August 30, 1988
    Assignees: Automobiles Peugeot, Automobiles Citroen
    Inventors: Gabriel Laine, Henri Zawadzki