Patents by Inventor Alain Antoine Lewis

Alain Antoine Lewis 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).

  • Integrated oil transfer sleeve and bearing
    Patent number: 6758598
    Abstract: An integrated roller bearing and fluid transfer sleeve adapted for supporting and transferring fluid to a rotating shaft in a gas turbine engine reduction gearbox. The integrated roller bearing and fluid transfer sleeve comprises a fluid transfer sleeve having a sleeve casing defining therein an annular fluid plenum open radially outwardly, and at least two spaced apart roller bearing assemblies each comprising an annular outer race integral with the sleeve casing and each assembly comprising a plurality of roller elements supported by the outer race. Each roller bearing assembly is disposed within the sleeve casing, one at each opposing end thereof, and the plurality of roller elements in each assembly define a first inner diameter substantially equal to an outer diameter of the rotating shaft adapted to be supported by the roller elements.
    Type: Grant
    Filed: August 23, 2002
    Date of Patent: July 6, 2004
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Gilles Beauvais, David Brouillet, Pierre Gauvin, Alain Antoine Lewis
  • Integrated oil transfer sleeve and bearing
    Publication number: 20040037483
    Abstract: An integrated roller bearing and fluid transfer sleeve adapted for supporting and transferring fluid to a rotating shaft in a gas turbine engine reduction gearbox. The integrated roller bearing and fluid transfer sleeve comprises a fluid transfer sleeve having a sleeve casing defining therein an annular fluid plenum open radially outwardly, and at least two spaced apart roller bearing assemblies each comprising an annular outer race integral with the sleeve casing and each assembly comprising a plurality of roller elements supported by the outer race. Each roller bearing assembly is disposed within the sleeve casing, one at each opposing end thereof, and the plurality of roller elements in each assembly define a first inner diameter substantially equal to an outer diameter of the rotating shaft adapted to be supported by the roller elements.
    Type: Application
    Filed: August 23, 2002
    Publication date: February 26, 2004
    Inventors: Gilles Beauvais, David Brouillet, Pierre Gauvin, Alain Antoine Lewis