Method of finish machining an impeller

Details Method of finish machining an impeller Method of finish machining an impeller

2009-06-29

2011-11-22

Afzali, Sarang (Department: 3726)

Metal working

Method of mechanical manufacture

Impeller making

C029S889200, C029S889230, C029S889700, C029S888025, C029S557000, C426S135000

Reexamination Certificate

active

08061031

ABSTRACT:
An impeller assembly is for a fluid machine, such as a compressor, and includes a first, main body and a second body. The main body includes a first section providing at least a substantial portion of either an impeller disc or an impeller cover and a second section spaced generally axially from the first section and providing a portion of the other one of the disc or the cover. A plurality of integrally formed blades extend between and connect the main body first and second sections such that the main body is generally of one piece construction. A plurality of flow channels are defined between the blades and a plurality of access openings extend into the flow channels. The second body provides a remainder of the disc or cover and is attachable to the main body to substantially form an impeller and to close all of the access openings.

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