Method for repairing an impeller

Details Method for repairing an impeller Method for repairing an impeller

2010-01-27

2010-12-14

Bryant, David P (Department: 3726)

Metal working

Method of mechanical manufacture

Impeller making

C029S023510, C029S464000, C029S525140, C029S559000, C228S119000, C269S287000

Reexamination Certificate

active

07849595

ABSTRACT:
The present invention provides a method of weld repairing an impeller by use of a weld restraining fixture. The fixture is used to sandwich the impeller between a base plate and a top ring such that a plurality of tangs located on the top ring rest on the plurality of valley faces of the impeller. The top ring and base plate are bolted together while the restrained impeller is welded and heat treated.

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