Patents by Inventor Andreas Elfetheriou

Andreas Elfetheriou 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).

  • Fan blade platform
    Patent number: 8616849
    Abstract: A fan blade platform assembly comprises a plate insert shaped and dimensioned to span a gap formed between the opposed facing platforms of adjacent fan blades of a turbo fan engine. The plate insert can be retained in engagement under arresting shoulders provided on the adjacent fan blades by a spring force exerted by a spring insert held captive and in contact between the plate insert and an outer surface of the fan hub.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: December 31, 2013
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: David H. Menheere, Andreas Elfetheriou, Philip Ridyard