Method of fabricating vanes
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United States of America Patent
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Jan 25, 2005
Issued Date -
N/A
app pub date -
Aug 27, 2003
filing date -
Jun 10, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This is a method for fabricating non rotating stator vanes that can be configured into a fixed stator vane or dam by forming a plurality of circumferentially spaced vanes extending from the peripheral edge(s) of an annular portion which portion is sacrificial in that after assembly it is removed. Assembling the vanes so that they are sandwiched between side plates and securing them in place. Thereafter removing the sacrificial portion. In one embodiment the vanes can be on the outer peripheral edge, in another embodiment the vanes can be on the inner peripheral edge or in a third embodiment the vanes can be on both edges. After assembly the fluid flowing between vanes are bounded by the side faces of the side plates. Hence in operation, fluid is bounded by adjacent vanes and the side plates. The vanes/side plates made by this method can also be formed in a linear configuration.
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