Fan blade for a gas turbine engine

Details Fan blade for a gas turbine engine Fan blade for a gas turbine engine

2007-06-25

2011-12-06

Look, Edward (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Having frangible or fusible part or connection

C416S19300A

Reexamination Certificate

active

08070438

ABSTRACT:
An injection-molded thermoplastic mini-platform is adhesively bonded, in use, to the aerofoil surfaces of a fan blade in a gas turbine engine. The mini-platform is divided into a number of leaves, to increase its flexibility, and ribs beneath the leaves provide additional stiffness in the radial direction. In the event that a fan blade is released in operation, the mini-platform is designed to detach from the blade and/or to break apart, so that damage to other components of the engine is minimized.

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