Composite blade with reinforced leading edge

Details Composite blade with reinforced leading edge Composite blade with reinforced leading edge

1994-06-09

1995-08-08

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

416229R, F01D 514

Patent

active

054393531

ABSTRACT:
Composite Blade With Reinforced Leading Edge
The shell (30) of a lightweight composite propulsor blade (10) of spar and shell construction has a leading edge portion (39) having twice the thickness as the remainder (33, 35, 37) of the shell thereby enhancing resistance to foreign object damage and improving erosion resistance.

REFERENCES:
patent: 3967996 (1976-07-01), Kamov et al.
patent: 4806077 (1989-02-01), Bost

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