Auxiliary helicopter rotor

Details Auxiliary helicopter rotor Auxiliary helicopter rotor

1987-11-20

1989-05-09

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

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

Plural articulation

416123, 416138, B64C 2738

Patent

active

048284580

ABSTRACT:
An auxiliary helicopter rotor on which at least two blades extend radially from a hub, each of which blades presents a root connecting it to the hub, and a beam having two wings extending respectively along the back and face of the blade; the wings of the beam diverging along the root in such a manner as to form a fork engaged both by a center plate on the hub, to which the fork is connected via a spherical joint, and by a flexible leaf extending from the center plate inside the fork and connected to the beam of the blade by means of an axial joint.

REFERENCES:
patent: 2949967 (1960-08-01), Jovanovich
patent: 3942910 (1976-03-01), Snyder et al.
patent: 4129403 (1978-12-01), Watson
patent: 4135856 (1979-01-01), McGuire
patent: 4257739 (1981-03-01), Covington et al.
patent: 4342540 (1982-08-01), Lovera et al.

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