Patents Represented by Attorney Edward I. Kochey, Jr.

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  • Gas turbine blade retention
    Patent number: 5518369
    Abstract: Gas turbine blades 14 are slid axially into disc 12 with a retention tang 22 on each abutting the disc. An axially extending space 28 between blade platforms 26 and the disc receives elongated strip 30. With prebent end 34 resiliently held against the disc the opposite end 36 is bent radially outward against the roots of adjacent blades. A bow 38 biases the blades outwardly, deterring vibration.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: May 21, 1996
    Assignee: Pratt & Whitney Canada Inc.
    Inventor: Mario Modafferi