Impeller with sealing portion
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United States of America Patent
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Jul 18, 2017
Issued Date -
N/A
app pub date -
Nov 20, 2013
filing date -
Nov 30, 2012
priority date (Note) -
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Abstract
There is provided an impeller rotating about a rotary shaft, the impeller including: an inlet through which a fluid is introduced; an outlet through which the fluid is discharged; a supporter connected to the rotary shaft; a blade portion provided on the supporter; a shroud portion disposed to cover the blade portion; and a sealing portion including at least one sealing protrusion protruding in a direction that is in parallel with the rotary shaft, and disposed at a portion of the shroud portion, which configures the inlet.
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