PROBLEM TO BE SOLVED: To provide an underwater propulsion device and an underwater probe device capable of securing needed propulsion power even during low speed operation, and having less vibration, and capable of finely controlling a posture.SOLUTION: An underwater propulsion device 1 according to an embodiment comprises: a main body 2 whose tail part is a conical shape; at least one pump having a channel comprising inlets 6 on an outer peripheral face of the main body 2 and a discharging port on the tail part on a downstream side of the inlets 6, and an impeller disposed in the channel; a cylindrical diffuser 8 attached to the main body 2 so as to surround the outer periphery of the discharging port; and plural direction control blades 9 attached in an annular-state to the outer surface of the main body 2 in the vicinity of the downstream of the discharging port, and pivotally supported to the main body 2 at an upstream end.SELECTED DRAWING: Figure 1
【課題】振動が少なく、低速運転時にも必要な推進力を確保できるとともに、細かな姿勢制御を行うことが可能な水中推進装置および水中探査装置を提供する。【解決手段】実施形態による水中推進装置1は、後尾部分が円錐状の本体2と、本体2の外周面に吸入口6を有し、吸入口6の下流側における後尾部分に吐出口を有する流路と、流路中に設けられたインペラとを有する少なくとも一つのポンプと、吐出口の外周を取り巻くように本体2に取り付けられた円筒状のディフューザ8と、吐出口の下流近傍における本体2の外面に環状に取り付けられ、上流端で本体2に枢支された複数の方向制御翼9とを備える。【選択図】図1
UNDERWATER PROPULSION DEVICE AND UNDERWATER PROBE DEVICE
水中推進装置および水中探査装置
2016-05-12
Patent
Elektronische Ressource
Japanisch
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