Helicopter Rotor

Details Helicopter Rotor Helicopter Rotor

1983-03-02

1985-05-14

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

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

Nonmetallic resilient mounting

416140, B64C 2738

Patent

active

045169098

ABSTRACT:
A helicopter rotor in which a central plate-like hub is provided with a plurality of axial apertures uniformly distributed around a central axis of rotation and each defined radially outwardly by a supporting peripheral bridge connected to a respective blade by a U-shape structure extending through the said aperture and coupled to the associated bridge by an elastomeric coupling; each U-shape structure being coupled to a respective radial projection of the hub by a further elastomeric coupling.

REFERENCES:
patent: 3111172 (1963-11-01), Gorndt et al.
patent: 3556673 (1971-01-01), Killian
patent: 3790302 (1974-02-01), Pascher
patent: 3824037 (1974-07-01), Mautz et al.
patent: 4135856 (1979-01-01), McGuire
patent: 4257739 (1981-03-01), Covington et al.
patent: 4297078 (1981-10-01), Martin
patent: 4342540 (1982-08-01), Lovera et al.
patent: 4352632 (1982-10-01), Schwarz et al.
patent: 4361415 (1982-11-01), Aubry
patent: 4425082 (1984-01-01), Mussi et al.

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