Jet pump system for a water jet propelled boat
作者： Makoto Toyohara , Hiroshi Tasaki
DOI:
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摘要: A jet pump system for a water propelled boat is disclosed that provides the adjustment of area intake opening or entry angle as function speed boat. During low operation, inlet adjusted to maximum area, enable sufficient enter duct and permit efficient impeller operation. As increases beyond predetermined speed, reduced, reduced prevent excess from entering duct, thereby reducing drag on
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