Helicopter rotor having lead-lag damper operable with pitch and

Details Helicopter rotor having lead-lag damper operable with pitch and Helicopter rotor having lead-lag damper operable with pitch and

1977-11-07

1979-12-11

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Sustained ancillary movement of rotary working member

Lead-lag type rotor blade movement

416140, 416141, B64C 2738

Patent

active

041781309

ABSTRACT:
A helicopter rotor having at least one blade projecting from the central hub and mounted for pitch change, flapping and lead-lag motion and including a lead-lag damper mounted to be pivotally movable in a selected plane and connected to the blade through a pivotal link connection to avoid the adverse effects of pitch and flap coupling.

REFERENCES:
patent: 2638994 (1953-05-01), Buivid
patent: 2640553 (1953-06-01), Hafner
patent: 2755871 (1956-07-01), Gerstenberger
patent: 2815821 (1957-12-01), Echeverria
patent: 2853141 (1958-09-01), Leoni
patent: 3212584 (1965-10-01), Young
patent: 3591310 (1971-07-01), Mouille
patent: 4028000 (1977-06-01), Weiland et al.

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