HELICOPTER ROTOR Russian patent published in 2000 - IPC

Abstract RU 2146637 C1

FIELD: manufacture of helicopters. SUBSTANCE: helicopter rotor includes hub which has feathering hinges and hinge-mounted blades. Each blade consists of drive part and driven part. Drive parts of blades are fitted on feathering hinges of hub and driven parts of blades are fitted at tips of drive parts on lag hinges. Driven parts of blades have power train for accelerating the driven parts of blades in accompanying flow by driven parts in counter flow. EFFECT: considerable increase of horizontal velocity of flight. 6 cl, 4 dwg

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RU 2 146 637 C1

Authors

Korchagin A.V.

Serbin V.I.

Zubarev E.M.

Dates

2000-03-20—Published

1999-08-04—Filed