Importance

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Abstract

An underwater device for water power conversion includes multiple cups, each cup constituted by a bottomless cup member and a bottom plate fitted pivotally in a freely rotatable manner, wherein the bottomless cup member blocks flowing water in a standing state and makes flowing water pass through in a lying down state, generating flowing water resistance difference between the two states. The cups are installed in a continuous member of a waterwheel submerged in flowing water so that the cup stands in a forward advance path and lies down in a reverse advance path. A water blocking plate is also provided in the reverse advance path so as to utilize centrifugal force to turn the bottomless cup member from the lying down state to the standing state, thereby making the cup turn or circulate continuously in flowing water.

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First Claim