| 摘要 |
PROBLEM TO BE SOLVED: To achieve a compact and lightweight reducer for an aircraft. SOLUTION: The reducer 10 for aircraft is provided with a first planetary gear mechanism 91, comprising a first sun gear 16 installed on an output shaft 15 of an engine 90, a plurality of first planetary gears 18 to be engaged with the first sun gear 16, a first ring gear 23 to be engaged with the first planetary gears 18, and disposed concentrically to the first sun gear 16, a first carrier 22 to rotatably support the plurality of the first planetary gears 18, and a reducer case 26 for housing the first sun gear 16, the first planetary gears 18, the first ring gear 23, and the first carrier 22, in which the first carrier 22 is connected to the side of a propeller shaft 34. Between the first ring gear 23 and the reducer case 26, a reducer mechanism 70 is disposed to attenuate torque fluctuation of the engine 90. COPYRIGHT: (C)2009,JPO&INPIT
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