Patents by Inventor Daniel Bernard Dao

Daniel Bernard Dao 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 fastening a variable pitch blade
    Patent number: 8651821
    Abstract: This blade attachment device comprises a shell (28) installed around an outer collar (23) of the pivot (15) of the blade (27) and capable of rotating by an angle sufficient for cleats (30, 31) to close the ends of the pivot groove and retain the root of the blade (27) in it, and mobile shims that cooperate to retain the root in the groove. Application to aircraft engines.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: February 18, 2014
    Assignee: SNECMA
    Inventors: Daniel Bernard Dao, Adrien Jacques Philippe Fabre, Alain Paul Madec
  • DEVICE FOR FASTENING A VARIABLE PITCH BLADE
    Publication number: 20110110781
    Abstract: This blade attachment device comprises a shell (28) installed around an outer collar (23) of the pivot (15) of the blade (27) and capable of rotating by an angle sufficient for cleats (30, 31) to close the ends of the pivot groove and retain the root of the blade (27) in it, and mobile shims that cooperate to retain the root in the groove.
    Type: Application
    Filed: July 16, 2009
    Publication date: May 12, 2011
    Applicant: SNECMA
    Inventors: Daniel Bernard Dao, Adrien Jacques Philippe Fabre, Alain Paul Madec