FLUID MACHINE AND UNDERWATER VEHICLE
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United States of America Patent
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Issued Date -
Oct 6, 2022
app pub date -
Mar 21, 2022
filing date -
Mar 31, 2021
priority date (Note) -
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Abstract
A fluid machine includes: a shaft portion extending in an axis direction; a shroud provided to surround the shaft portion, and forming a flow path between the shroud and the shaft portion, the flow path having one side in the axis direction serving as an upstream side and another side in the axis direction serving as a downstream side; a propeller provided rotatably around the axis between the shaft portion and the shroud; a motor provided in the shroud and configured to rotationally drive the propeller; and a bearing apparatus provided only to the shaft portion, out of the shroud and the shaft portion, and rotationally supporting the propeller.
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