Airfoil structure

Details Airfoil structure Airfoil structure

1994-11-15

1998-01-13

Freay, Charles G.

Power plants

Combustion products used as motive fluid

Combustion products generator

4152093, 4152094, F02C 300

Patent

active

057066477

ABSTRACT:
Past airfoil configurations have been used to improve aerodynamic performance and engine efficiencies. The present airfoil configuration further increases component life and reduces maintenance by reducing internal stress within the airfoil itself. The airfoil includes a chord and a span. Each of the chord and the span has a bow being summed to form a generally "C" configuration of the airfoil. The generally "C" configuration includes a compound bow in which internal stresses resulting from a thermal temperature gradient are reduced. The structural configuration reduces internal stresses resulting from thermal expansion.

REFERENCES:
patent: 2110679 (1938-03-01), Robinson
patent: 4643636 (1987-02-01), Libertini et al.
patent: 5380154 (1995-01-01), Norton et al.
patent: 5394687 (1995-03-01), Chen et al.

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