Patents by Inventor Lucien Paul Pham

Lucien Paul Pham 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).

  • Device for connecting two rotating shafts, in particular in a turbomachine
    Patent number: 7736083
    Abstract: Device for connecting two rotating shafts (10, 12), one driving and the other driven, comprising rectilinear splines (20) formed on the driving shaft (10) and engaged in complementary rectilinear splines (22) of the driven shaft (12), the splined region of the driven shaft having, in the vicinity of one of its longitudinal ends, at least one cylindrical portion (26) having a greater torsional flexibility.
    Type: Grant
    Filed: November 27, 2007
    Date of Patent: June 15, 2010
    Assignee: SNECMA
    Inventors: Xavier Firmin Camille Jean Lescure, Lucien Paul Pham
  • DEVICE FOR CONNECTING TWO ROTATING SHAFTS, IN PARTICULAR IN A TURBOMACHINE
    Publication number: 20080124168
    Abstract: Device for connecting two rotating shafts (10, 12), one driving and the other driven, comprising rectilinear splines (20) formed on the driving shaft (10) and engaged in complementary rectilinear splines (22) of the driven shaft (12), the splined region of the driven shaft having, in the vicinity of one of its longitudinal ends, at least one cylindrical portion (26) having a greater torsional flexibility.
    Type: Application
    Filed: November 27, 2007
    Publication date: May 29, 2008
    Applicant: SNECMA
    Inventors: Xavier Firmin Camille Jean Lescure, Lucien Paul Pham