Patents by Inventor Frédérico Vilela

Frédérico Vilela 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).

  • Regulating jet pump with two fluid seals, one opening at an intermediate inlet pressure and the other opening at a higher inlet pressure for increased flow through the pump
    Patent number: 6783329
    Abstract: The invention provides a jet pump comprising a housing containing a nozzle into which an injected fluid is introduced, the housing also possessing a suction orifice, the pump comprising, upstream from the outlet of the nozzle, an auxiliary chamber associated with two sealing elements, each sealing element being adapted to open when the pressure of the injected fluid exceeds a predetermined level, the first sealing element opening at a first pressure level, the second sealing element opening at a second pressure level greater than or equal to the first.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: August 31, 2004
    Assignee: Marwal Systems
    Inventors: Frédérico Vilela, Laurent Aubree
  • Regulating jet pump
    Publication number: 20030118455
    Abstract: The invention provides a jet pump comprising a housing containing a nozzle into which an injected fluid is introduced, the housing also possessing a suction orifice, the pump comprising, upstream from the outlet of the nozzle, an auxiliary chamber associated with two sealing elements, each sealing element being adapted to open when the pressure of the injected fluid exceeds a predetermined level, the first sealing element opening at a first pressure level, the second sealing element opening at a second pressure level greater than or equal to the first.
    Type: Application
    Filed: December 20, 2002
    Publication date: June 26, 2003
    Applicant: Marwal Systems
    Inventors: Frederico Vilela, Laurent Aubree
  • Fuel-drawing device for a motor vehicle tank
    Publication number: 20020073972
    Abstract: The present invention relates to a fuel drawing-off device for a motor vehicle tank, the device comprising a drawing-off pump and a fine filter placed upstream from the pump, wherein the drawing-off pump is a pilot operated pump.
    Type: Application
    Filed: December 13, 2001
    Publication date: June 20, 2002
    Inventors: Pascal Orsini, Frederico Vilela