Rotor arrangement for rotary wing aircraft

Details Rotor arrangement for rotary wing aircraft Rotor arrangement for rotary wing aircraft

1976-05-14

1978-08-01

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

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

Plural articulation

416134A, 416148, B64C 2738

Patent

active

041040031

ABSTRACT:
The present invention relates to a rotor arrangement for rotary-wing aircraft, comprising at least one pair of opposite blades mounted on a common one-piece beam, which is twistable, flexible and whose median part rotates with the shaft of the rotor.
According to the invention, this arrangement is characterized in that said beam is mounted on the shaft of the rotor by means of an articulation enabling it to pivot, in limited manner, about an axis transverse to said beam and at right angles to said rotor shaft.
The invention is applied to rotors for helicopters.

REFERENCES:
patent: 2830669 (1958-04-01), Klockner
patent: 2949967 (1960-08-01), Jovanovich
patent: 3193019 (1965-07-01), Drees et al.
patent: 3231222 (1966-01-01), Scheutzow
patent: 3484174 (1969-12-01), McCoubrey
patent: 3669566 (1972-06-01), Bourquardez et al.
patent: 3762834 (1973-10-01), Bourquardez et al.
patent: 3880551 (1975-04-01), Kisovec
patent: 3942910 (1976-03-01), Snyder et al.
patent: 3967918 (1976-07-01), Mouille et al.

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