Bladed aircraft rotor with flexible blade mountings

Details Bladed aircraft rotor with flexible blade mountings Bladed aircraft rotor with flexible blade mountings

1986-01-15

1987-11-24

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Sustained ancillary movement of rotary working member

Responsive to carrier tilt

416134A, 416138, 416141, 416148, B64C 2735, B64C 2752

Patent

active

047085916

ABSTRACT:
A bladed aircraft rotor is disclosed having blades mounted by means of flexible devices providing freedom for blade motions, at least in the flapping sense and in the pitch-change sense, without employment of flapping or pitch bearings or pivots, the rotor also being provided with a central bearingless joint for transmitting thrust forces while providing freedom for angular movement of the rotor as a whole about a center point on the axis of rotation. A constant velocity torque-transmitting system is also provided.

REFERENCES:
patent: 2163893 (1939-06-01), Schairer
patent: 2961051 (1960-11-01), Wilford et al.
patent: 3080002 (1963-03-01), Du Pont
patent: 3082826 (1963-03-01), Doman et al.
patent: 4203709 (1980-05-01), Watson
patent: 4297078 (1981-10-01), Martin
patent: 4323332 (1982-04-01), Fradenburgh
patent: 4326834 (1982-04-01), Ostrowski
patent: 4477225 (1984-10-01), Burkam
patent: 4566856 (1986-01-01), Miller
patent: 4575358 (1986-03-01), Ferris

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