Helicopter rotor

Details Helicopter rotor Helicopter rotor

1984-05-02

1985-09-10

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With weight-balancing means

Self-shifting or selectively adjustable mass

416134A, 416140, 416500, B64C 2732

Patent

active

045403406

ABSTRACT:
Helicopter rotor on which static balancing of the rotor is provided for by a number of annular-shaped counterweights housed inside each pin securing each blade to the hub; the said counterweights being supported by a rod pressed an clicked inside an axial hole on the relative pin.

REFERENCES:
patent: 2451541 (1948-10-01), Doman
patent: 2531598 (1950-11-01), Avery
patent: 2552727 (1951-05-01), Lightfoot
patent: 2715446 (1955-08-01), Felt
patent: 2934151 (1960-04-01), Jenney
patent: 3778189 (1973-12-01), Ferris
patent: 3853426 (1974-12-01), Rybicki
patent: 3999888 (1976-12-01), Zincone
patent: 4239455 (1980-12-01), Broekhuizen et al.

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