Patents by Inventor Paolo Bertini

Paolo Bertini 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).

  • Injection valve
    Patent number: 4986478
    Abstract: An injection valve as a nozzle opening 53 at the end of a cylindrical line 52, this nozzle opening 53 being formed by a central opening 530 and by peripheral openings 531 grouped therearound. As a result thereof, a fuel jet having a highly articulated and therefore very large surface arises during ejection, this promoting the evaporation of the ejected fuel.
    Type: Grant
    Filed: March 1, 1990
    Date of Patent: January 22, 1991
    Assignee: Siemens Aktiengesellschaft
    Inventor: Paolo Bertini