Split torque gearbox for rotary wing aircraft with...

Details Split torque gearbox for rotary wing aircraft with... Split torque gearbox for rotary wing aircraft with...

2005-05-31

2008-08-19

Swiatek, Rob (Department: 3643)

Aeronautics and astronautics

Aircraft power plants

Transmission of power

C244S017230, C074S66500G

Reexamination Certificate

active

07413142

ABSTRACT:
A gearbox of a high speed compound rotary-wing aircraft includes a main module, an input module and a translational thrust module. The input module receives power from the engines to drive a dual, contra-rotating, coaxial main rotor system and a translational thrust system which provides significant translational thrust generally parallel to an aircraft longitudinal axis. Each of a multiple of engine drives the input module such that power is distributed to the main module and the translational thrust module. The gearbox provides a lightweight solution, since each module need only transmit a required fraction of available engines power.

REFERENCES:
patent: 2487020 (1949-11-01), Gilcrease
patent: 3357656 (1967-12-01), Peterson
patent: 4489625 (1984-12-01), White
patent: 4531692 (1985-07-01), Mateus
patent: 5271295 (1993-12-01), Marnot

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