Patents by Inventor Giacomo Armenio

Giacomo Armenio 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).

  • Publication number: 20080069704
    Abstract: A pumping system (100*) having a pump (10*), such as a variable-displacement vane pump (10*) or a gear pump. The pump (10*) in turn has hydraulic pressure-control dissipating devices (29, 30) for imparting to the oil in a first control chamber (22) a pressure (p2) lower than the pressure of a second chamber (20). The system (100*) is characterized in that the first control chamber (22) of the pump (10*) has a channel (40) connecting the first control chamber to an oil inlet (23). And the channel (40) has an opening/closing device (41) controlled selectively by an engine operating parameter, such as oil temperature.
    Type: Application
    Filed: January 5, 2005
    Publication date: March 20, 2008
    Applicant: PIERBURG S.p.A.
    Inventors: Giacomo Armenio, Bernardo Celata
  • Publication number: 20080038117
    Abstract: A pumping system has a variable-delivery vane pump. The pump has hydraulic pressure regulating dissipating devices for imparting to the oil, in a regulating chamber, a pressure lower than the delivery pressure.
    Type: Application
    Filed: September 10, 2004
    Publication date: February 14, 2008
    Inventors: Giacomo Armenio, Clement Kiefer, Massimo Rundo