| 摘要 |
PROBLEM TO BE SOLVED: To provide a small hydraulic power generating apparatus which enables efficient power generation.SOLUTION: A small hydraulic power generating apparatus 1 includes a main pipe 2, a bypass pipe 3 arranged in parallel with the main pipe 2, a rotating vane 6 arranged in the main pipe, a rotating shaft 7 integrated with the rotating vane 6, and a power generator 8 attached to the rotating shaft 7. A spiral rib 2a is disposed on the inner circumference of an upper part than the rotating vane 6 of the main pipe 2. |
