Fluid reaction surfaces (i.e. – impellers) – With weight-balancing means
Reexamination Certificate
2007-12-11
2007-12-11
Nguyen, Ninh H. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
With weight-balancing means
C416S094000
Reexamination Certificate
active
11224090
ABSTRACT:
An apparatus for balancing a shaft of an aircraft engine preferably includes a nose cone and the use of standard fasteners. The nose cone is adapted to cooperate with at least one standard fastener to retain the standard fastener to the nose cone to rotationally balance the shaft.
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Barnett Barry
Rockarts Sean André
Nguyen Ninh H.
Ogilvy Renault LLP
Pratt & Whitney Canada Corp.
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