Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Blade cuff or shank construction
Reexamination Certificate
2007-08-07
2007-08-07
Nguyen, Ninh H. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific blade structure
Blade cuff or shank construction
C416S500000, C416S248000
Reexamination Certificate
active
10845237
ABSTRACT:
A tuning notch is defined preferably in the back of a blade root to tune the blade natural frequency in a gas turbine engine.
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(Ogilvy Renault)
Nguyen Ninh H.
Pratt & Whitney Canada Corp.
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