Spark-prevention coating for oxygen compressor shroud

Details Spark-prevention coating for oxygen compressor shroud Spark-prevention coating for oxygen compressor shroud

1997-05-23

1999-11-09

Verdier, Christopher

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

4151744, 4151745, F01D 900

Patent

active

059802030

ABSTRACT:
A shroud which has an inner surface configured to surround an impeller, with the surface comprising a metallic substrate, and a metallic bond coat overlaying the substrate. A porous spark resistant abradable silver or silver alloy layer overlays the bond coat. The method of forming the porous silver layer is also disclosed.

REFERENCES:
patent: 4037998 (1977-07-01), Goloff
patent: 4056339 (1977-11-01), Doi et al.
patent: 4207024 (1980-06-01), Bill et al.
patent: 4405284 (1983-09-01), Albrecht et al.
patent: 4526839 (1985-07-01), Herman et al.
patent: 4867639 (1989-09-01), Strangman
patent: 5064727 (1991-11-01), Naik et al.
patent: 5268045 (1993-12-01), Clare

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