Closed type impeller
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 1, 1991
Grant Date -
N/A
app pub date -
Aug 8, 1989
filing date -
Sep 14, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An impeller for pumps, turbines, fans, etc., of the closed type, having a number of vanes arranged between cover discs. In order to reduce the secondary flows within the impeller, the secants between the suction side of the vane and the cover discs are displaced with respect to the intersections at the pressure side of the vane. This impeller is rotationally non-symmetrical.
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