Helicopter having a balanced torque transmission and no tail rot

Details Helicopter having a balanced torque transmission and no tail rot Helicopter having a balanced torque transmission and no tail rot

1996-06-17

1998-10-13

Oberleitner, Robert J.

Aeronautics and astronautics

Aircraft, heavier-than-air

Helicopter or auto-rotating wing sustained, i.e., gyroplanes

244 1711, B64C 2712

Patent

active

058200738

ABSTRACT:
An improved helicopter transmission which which has previously been transmitted from the engine to the main rotor comprising a pair of sun gears connected by a plurality of planetary gears which serve to transmit rotational energy from the engine to the main rotor, while completely absorbing the torque developed in doing so.

REFERENCES:
patent: 2944609 (1960-07-01), Sikorsky
patent: 2996269 (1961-08-01), Parry
patent: 3240083 (1966-03-01), Stoddard
patent: 3679033 (1972-07-01), Wagner
patent: 3721135 (1973-03-01), Kelley
patent: 4534524 (1985-08-01), Aldrich
patent: 4632337 (1986-12-01), Moore
patent: 4783023 (1988-11-01), Jupe
patent: 5271295 (1993-12-01), Marnot

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