Composite rotor blade

Details Composite rotor blade Composite rotor blade

1976-12-23

1978-08-22

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

416224, 416241A, F01D 514, F11D 528

Patent

active

041085728

ABSTRACT:
A composite rotor blade for a turbomachine is disclosed. Concepts for maximizing the blade strength to weight ratio while maintaining adequate resistance to foreign object damage are developed. Techniques for maximizing the torsional rigidity of the structure are disclosed, and in one embodiment, a judicious yet effective placement of titanium sheet material on the pressure side of the blade is made.

REFERENCES:
patent: 3294366 (1966-12-01), Coplin
patent: 3572971 (1971-03-01), Seiwert
patent: 3600103 (1971-08-01), Gray et al.
patent: 3602608 (1971-08-01), Morley
patent: 3637325 (1972-01-01), Morley
patent: 3701190 (1972-10-01), Stone
patent: 3827118 (1974-08-01), Appel
patent: 3886647 (1975-06-01), Alexander
patent: 3942231 (1976-03-01), Whitaker
patent: 4022547 (1977-05-01), Stanley

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