雨水利用:水中ポンプを使用した場合のサイフォン対策。レインワールド

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Uploaded by on Nov 22, 2009

地上に設置した雨水タンクの中に水中ポンプをいれてつかうと、スイッチを切っても、サイフォンの原理で、水が流れたままになります。このため、途中にエアーを吸い込む仕組­みをつくり、サイフォンを解消させる必要があります。

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