Helicopter rotor

Details Helicopter rotor Helicopter rotor

1984-03-12

1985-04-23

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

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

Nonmetallic resilient mounting

416138, 416141, 416244R, B64C 1106, B64C 2738

Patent

active

045127174

ABSTRACT:
FH (FLEX-HUB) helicopter rotor on which each blade is connected to a center hub by a fork having two arms on one side for connection to the relative blade and integral, on the other, to a rod connected to the hub by an elastomer support; the forks being interconnected by a polygonal ring passing between the said arms on each fork and each side of the said ring being supported centrally by a flexible arm extending radially from the hub.

REFERENCES:
patent: 4195967 (1980-04-01), Weiland
patent: 4257738 (1981-03-01), Schwarz
patent: 4297078 (1981-10-01), Martin
patent: 4304525 (1981-12-01), Mouille
patent: 4321013 (1982-03-01), Schwarz et al.
patent: 4342540 (1982-08-01), Lovera et al.
patent: 4352632 (1982-10-01), Schwarz et al.
patent: 4361415 (1982-11-01), Aubry
patent: 4369019 (1983-01-01), Lovera et al.
patent: 4407633 (1983-10-01), Mouille
patent: 4425082 (1984-01-01), Mussi et al.

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