Stepped sleeve repair of knife seal bores in driven...

Details Stepped sleeve repair of knife seal bores in driven... Stepped sleeve repair of knife seal bores in driven...

2008-05-06

2008-05-06

Bryant, David P. (Department: 3726)

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

C029S402120, C029S402180, C029S458000, C029S525000, C277S415000

Reexamination Certificate

active

07367122

ABSTRACT:
A method is provided for repairing a driven compressor housing including a bore having an inner surface configured to engage a shaft-mounted knife seal. The method includes the steps of removing material from the bore inner surface, press-fitting a sleeve into the bore, and plasma-spraying an abradable coating onto the bore inner surface.

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patent: 2003/0126733 (2003-07-01), Bush et al.

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