Removal of carbonaceous material from gas turbine cavities

Details Removal of carbonaceous material from gas turbine cavities Removal of carbonaceous material from gas turbine cavities

1980-03-06

1983-03-22

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 20, 134 221, 134 30, B08B 500

Patent

active

043774202

ABSTRACT:
An improved method of cleaning carbonaceous matter from enclosed cavities in gas turbine engines is comprised of providing inlet and exit gas ports to the cavity, carefully heating the structure having the cavity to above 470.degree. C. and providing air at controlled temperature, flow, and pressure. The temperature, pressure and flow is controlled during the process to induce flow through cavities which are fully blocked initially, and to avoid over pressurization of cavities which are not adapted to sustain substantial pressure.

REFERENCES:
patent: 1081950 (1913-12-01), Eller
patent: 2443373 (1948-06-01), Borsoff
patent: 2620286 (1952-12-01), Shaw
patent: 3532542 (1970-10-01), Shimizu et al.
patent: 4022639 (1977-05-01), Ueki

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