Process for preparing rhomboidal blades for axial turbo engines

Details Process for preparing rhomboidal blades for axial turbo engines Process for preparing rhomboidal blades for axial turbo engines

2005-06-28

2005-06-28

Hong, John C. (Department: 3726)

Metal working

Method of mechanical manufacture

Impeller making

C029S889000, C029S557000

Reexamination Certificate

active

06910270

ABSTRACT:
A rhomboidal blade includes a blade footing (2) of rhomboidal cross section and a blade body (1) for axial turbo engines is worked out from a solid blank (3) by machining. The blank (3) is cut off as a bar from a hot-rolled, bar-shaped input stock, whose cross section has the shape of a rhomboid which is adapted to the shape of the cross section of the rhomboidal blade footing (2). The blank is larger on all size than the maximum cross section of the blade by only the minimum oversize (5) for machining.

REFERENCES:
patent: 2959843 (1960-11-01), Uitvlugt
patent: 6783612 (2004-08-01), Benedetti
patent: 624815 (1949-06-01), None
patent: 817660 (1959-08-01), None
patent: 04277642 (1992-09-01), None
patent: 617144 (1978-07-01), None
Derwent Publications Ltd., London, GB, 1979-41888B, Corresponding to SU 617,144 A, Database WPI.

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