Patents by Inventor Eugeniusz Siwak

Eugeniusz Siwak 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).

  • Fuel injector
    Patent number: 4096998
    Abstract: A fuel injector is clamped by a pressure yoke by means of one or two bolts, the pressure yoke being in the form of an oval flatted ring. The yoke can be manufactured from a pipe or a flat bar. The yoke has a flat pressure surface, whereas the body of the injector has an arched bearing surface. A flange on the nozzle nut or the face of the nut can also serve as the bearing surface for the yoke.
    Type: Grant
    Filed: April 30, 1976
    Date of Patent: June 27, 1978
    Assignee: Warszawskie Zaklady Mechaniczne PZL-WZM
    Inventors: Eugeniusz Siwak, Andrzej Krainski, Krzysztof Lendzion, Jerzy Wewior