Method of fabricating vanes

Details Method of fabricating vanes Method of fabricating vanes

2005-01-25

2005-01-25

Jimenez, Marc (Department: 3726)

Metal working

Method of mechanical manufacture

Impeller making

C029S889200, C029S889700, C029S418000, C403S012000, C415S209400, C415S191000

Reexamination Certificate

active

06845558

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.

REFERENCES:
patent: 814804 (1906-03-01), Rateau et al.
patent: 3284881 (1966-11-01), Clarke
patent: 4743165 (1988-05-01), Ulrich
patent: 5146679 (1992-09-01), Ortolano
patent: 5640767 (1997-06-01), Jackson et al.
patent: 20040003599 (2004-01-01), Ingram

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