Rotor for rotary wing aircraft

Details Rotor for rotary wing aircraft Rotor for rotary wing aircraft

1975-07-28

1977-06-07

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Nonmetallic resilient mounting

416141, 416143, B64C 2738

Patent

active

040280012

ABSTRACT:
This invention provides a rotor hub for a rotary wing aircraft in which elastomeric bearing means are utilized to transmit centrifugal loads and blade pitch, flap and lead lag movements, and in which the blades are foldable about a pivot located outboard of the elastomeric bearing means between extended and folded positions. Locking means are provided to ensure that no deflection of the elastomeric bearing means occurs during the folding operation.

REFERENCES:
patent: 3097701 (1963-07-01), Buivid
patent: 3153455 (1964-10-01), Mosinskis
patent: 3187818 (1965-06-01), Barrett et al.
patent: 3282350 (1966-11-01), Kisovec
patent: 3438446 (1969-04-01), Vacca et al.
patent: 3761199 (1973-09-01), Ferris et al.
patent: 3853426 (1974-12-01), Rybicki
patent: 3862812 (1975-01-01), Gorndt et al.

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