Method of removing blades from a turbo machine

Details Method of removing blades from a turbo machine Method of removing blades from a turbo machine

1996-07-19

1998-09-08

Morgan, Kriellion S.

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

B08B 312

Patent

active

058039783

ABSTRACT:
A method of removing blades from the rotor of a turbo machine, such as a steam or gas turbine, in which material deposits formed between the surfaces of the blade root and its retaining groove have effectively bonded the blade root to the rotor groove. The blade root and groove are submersed in a liquid medium enclosed in a tank. Transducers installed on the tank radiate ultrasonic pressure waves into the liquid medium that breakup the material deposits through cavitation, thereby loosing the bond between the blade root and the groove. The blade is then removed from the tank and the blade slid out of the groove.

REFERENCES:
patent: 2616820 (1952-11-01), Bourgeaux
patent: 2771086 (1956-11-01), Kearney
patent: 3033710 (1962-05-01), Hightower et al.
patent: 3208731 (1965-09-01), Gams et al.
patent: 3506487 (1970-04-01), Lenz et al.
patent: 5202523 (1993-04-01), Grossman et al.
patent: 5240506 (1993-08-01), Liers et al.

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