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US 10,330,113 B2Granted
Method of manufacturing a gas turbine engine
AssigneeROLLS-ROYCE plc
InventorNicholas M Merriman
Life of this patent
Estimating the term…
Abstract
A method of manufacturing a gas turbine engine, the method including providing a fan having a plurality of fan blades circumscribed by a fan track liner and attaching a cutter to the fan track liner, the cutter is arranged towards the blades of the fan. The fan blades are rotated so that one or more of the fan blades are trimmed by the cutter. Once one or more of the fan blades have been trimmed by a desired amount, the cutter is removed from the fan track liner.
Claims10
A method of manufacturing a gas turbine engine, the method comprising:
- providing a fan having a plurality of fan blades circumscribed by a fan track liner;
- attaching a cutter to the fan track liner, the cutter being arranged towards the blades of the fan;
- trimming the fan blades with the cutter by rotating the fan blades;
- removing the cutter from the fan track liner upon the fan blades being trimmed;
- and
- once the cutter has been removed, adding a filler material in a region that the cutter was positioned.
3 more elements
A gas turbine engine assembly comprising:
- a fan having a plurality of fan blades arranged around a hub, at least one fan blade of the plurality of fan blades having been trimmed along a radial length by a removable cutter during a trimming process;
- and
- a fan casing having a fan track liner circumscribing the fan, the fan track liner including a filler material in a region where the removable cutter was positioned during the trimming process.
Dependencies are inferred from the claim text.