Metal working – Method of mechanical manufacture – Impeller making
Patent
1997-09-16
1998-11-10
Cuda, I.
Metal working
Method of mechanical manufacture
Impeller making
2940708, B23D 1500
Patent
active
058326065
ABSTRACT:
A method for preventing one-cell rotating stall initiated by a bladed disc having a plurality of blades including the steps of identifying a one-cell stall condition and modifying one or more blades to force the bladed disc into at least a two-cell stall pattern. This can be accomplished by modifying the spacing between the blades to force the bladed disc into at least a two-cell stall pattern. Alternatively, at least one of the blades can be geometrically modified so as to force the bladed disc into at least a two-cell stall pattern.
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Cuda I.
Elliott Turbomachinery Co., Inc.
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