Kanzaki Kokyukoki Mfg. Co., Ltd.

Tooru Minamii

Junichi Hitachi

Kazuhiko Takaichi

Yukiyasu Mizuno

Conventionally, a main shaft of the wind turbine apparatus has awkward such as heaviness or difficulties of assembling, since the length of the main shaft must be long to support a generator rotor. It is requested originally to light heaviness of a wind turbine apparatus, since it supports a wind wheel and a generator etc. on a tower at prescribed height. A hubsupported on the one side of the main shaft, a generator rotorsupported on the other side of the main shaft, the main shaft housingand the generator housingare combined, the generator rotorhaving a backward opening is fixedly provided on the rear end of the main shaft, the main shaftand the generator rotorare detachably fixed through the opening, and a rotational fitting (rod bearing) for a pitch control shaftis at least disposed at the rear space of the generator housing

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Amagasaki, Japan

Tooru Minamii