Helicopter rotor

Details Helicopter rotor Helicopter rotor

1983-03-02

1985-11-05

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

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

Including movement limit stop or damping means

416106, B64C 2738

Patent

active

045510679

ABSTRACT:
A rotor for helicopters, in which a central hub supports a plurality of radial blades connected thereto, each of which blade is provided with a surface rigidly connected to it and able to cooperate with respective abutment elements supported by the hub and movable with respect to this latter in a substantially horizontal plane to limit the oscillations of the respective blade in a horizontal plane between limits which are variable as a direct function of the angular velocity of the rotor itself.

REFERENCES:
patent: 2614640 (1952-10-01), Buirid
patent: 2719593 (1955-10-01), Alex
patent: 3533713 (1970-10-01), Salmun
patent: 3932059 (1976-01-01), Rybicki
patent: 4028000 (1977-06-01), Weiland et al.
patent: 4203708 (1980-05-01), Rybicki
patent: 4235570 (1980-11-01), Ferris et al.
patent: 4297079 (1981-10-01), Marshall
patent: 4368006 (1983-01-01), Ferris et al.
patent: 4369019 (1983-01-01), Lovera et al.

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