Axial flow pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 10, 2012
Grant Date -
Nov 15, 2007
app pub date -
Jan 4, 2007
filing date -
Jan 5, 2006
priority date (Note) -
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Abstract
Radial cross sections of front sides in rotational direction of impellers attached to a pump shaft obliquely to a circumferential direction from an upstream side toward a downstream side have concave shapes protruding toward the upstream side, and radial cross sections of rear sides in rotational direction of the impellers have concave shapes protruding toward the downstream side.
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