A rotary wing aircraft including a prime mover, a main rotor assembly having a first plurality of rotor blades operatively coupled to a main rotor shaft rotatable at a first speed ratio, a tail rotor assembly including a second plurality of rotor blades operatively coupled to a tail rotor shaft rotatable at a second speed ratio, and a variable ratio gearbox assembly mechanically connected to the tail rotor assembly. The variable ratio gearbox assembly operates to selectively vary the second speed ratio relative to the first speed ratio.
VARIABLE RATIO GEARBOX FOR A ROTARY WING AIRCRAFT TAIL ROTOR
2018-03-29
Patent
Elektronische Ressource
Englisch
Variable ratio gearbox for a rotary wing aircraft tail rotor
Europäisches Patentamt | 2020
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