Counterrotating aircraft propulsor blades

Details Counterrotating aircraft propulsor blades Counterrotating aircraft propulsor blades

1991-02-26

1993-03-30

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Formed with main spar

416144, 416224, 416233, 416DIG2, F01D 514

Patent

active

RE0342076

ABSTRACT:
A propulsor blade for an aircraft engine includes an airfoil section formed in the shape of a scimitar. A metallic blade spar is interposed between opposed surfaces of the blade and is bonded to the surfaces to establish structural integrity of the blade. The metallic blade spar includes a root end allowing attachment of the blade to the engine.

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patent: 3903578 (1975-09-01), Rothman
patent: 4358246 (1982-11-01), Hanson et al.
patent: 4370097 (1983-01-01), Hanson et al.
patent: 4407635 (1983-10-01), Grimes et al.

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