Method for removing undesired material from internal spaces of p

Details Method for removing undesired material from internal spaces of p Method for removing undesired material from internal spaces of p

1994-08-31

1995-11-07

Silbaugh, Jan H.

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134 4, 134 13, 134 221, 134 42, B08B 302, B08B 304, B08B 502, B08B 900

Patent

active

054644798

ABSTRACT:
A method and apparatus for removing undesired material from the internal spaces of parts and more particularly, air cooled gas turbine engine blades. The cleaning method employs a series of an immersion in water to saturate at least a portion of the material, an immersion in a liquid which will freeze the water remaining in the material and on the part or blade directly adjacent to the material and a pressure flush to remove the loosened material from the internal spaces.

REFERENCES:
patent: 3419427 (1968-12-01), Plock
patent: 4409034 (1983-10-01), Williams
patent: 4491484 (1985-01-01), Williams
patent: 4589203 (1986-05-01), Le Diouron
patent: 4692982 (1987-09-01), Rice
patent: 4940494 (1990-07-01), Petit et al.
patent: 5025632 (1991-06-01), Spritzer
patent: 5091034 (1992-02-01), Hubert

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