Helicopter rotor blade made from a multispar composite material

Details Helicopter rotor blade made from a multispar composite material Helicopter rotor blade made from a multispar composite material

1985-12-10

1987-09-29

Hershkovitz, Abraham

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

416226, B64C 2746

Patent

active

046966234

ABSTRACT:
The invention provides a helicopter rotor blade made from a composite material whose multistrut resistant framework adjacent the leading edge is disposed so as to form two superimposed compartments.

REFERENCES:
patent: 3055437 (1962-09-01), Stack
patent: 3112797 (1963-12-01), Haw
patent: 3484174 (1969-12-01), McCoubrey
patent: 3782856 (1974-01-01), Salkind et al.
patent: 3950115 (1976-04-01), Euler
patent: 4251309 (1981-02-01), Class et al.
European Patent No. 61,567, Apr. 1981.

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