High efficiency turbine and method of making the same

Details High efficiency turbine and method of making the same High efficiency turbine and method of making the same

2007-11-19

2010-12-14

Bryant, David P (Department: 3726)

Metal working

Method of mechanical manufacture

Impeller making

C290S054000, C083S054000

Reexamination Certificate

active

07849596

ABSTRACT:
The present invention is directed to a method of manufacturing a turbine blade. The method comprises selecting a pipe having a specific inner diameter, length and wall thickness, cutting the pipe along a spiral trajectory to produce a coil, securing the coil, and shaping the coil to create a uniform hydrofoil cross section along the length of the coil.

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