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US 2006/0188379 A1Published application
Apparatus and method of balancing a shaft
AssigneePratt & Whitney Canada Corp.
InventorsSean Rockarts, Barry Barnett
Life of this patent
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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.
Claims12
An apparatus for an aircraft engine comprising:
- at least one balance weight element;
- and
- a nose cone of the aircraft engine centrally mounted to a forward end of a rotatable shaft of the aircraft engine, the nose cone being adapted to cooperate with the at least one balance weight element to retain the weight element to the nose cone in order to rotationally balance the shaft.
A method of balancing a shaft of an aircraft engine having a nose cone mounted thereto, the method comprising steps of:
- (a) observing a rotational imbalance of the shaft;
- (b) removing the nose cone to provide access to a balancing apparatus integrated with the nose cone.;
- and
- (c) affixing at least one weight element to the balancing apparatus.
1 more element
Dependencies are inferred from the claim text.