Inducer and pump
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United States of America Patent
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Sep 7, 2021
Grant Date -
May 24, 2018
app pub date -
Jan 19, 2018
filing date -
Sep 14, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An inducer includes a hub and a blade which radially protrudes from the hub and is helically provided. The inducer has a thick portion in which a first distance and a second distance coincides with each other in a region outside a position at which a height ratio of the blade is 0.5 while the first distance is shorter than the second distance in a region inside the position at which the height ratio of the blade is 0.5, in which the height ratio is a ratio of a distance from a connection portion between the hub and a root portion of the blade with respect to a height of the blade which is a distance from the connection portion between the hub and the root portion of the blade to a tip portion of the blade in the radial direction of the blade.
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