Method of cleaning internal cavities of an airfoil

Details Method of cleaning internal cavities of an airfoil Method of cleaning internal cavities of an airfoil

1996-05-24

1998-01-13

Warden, Robert J.

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134 221, B08B 312

Patent

active

057074534

ABSTRACT:
A cleaning method for gas turbine engine airfoils includes a step of immersing an ultrasonic agitator, such as a welding horn, into a tank with a cleaning solution and a step of directing the ultrasonic agitator onto the portion of the airfoil having the crust layer. A subsequent step of high pressure water jet spray removes the crust debris. The cleaning method of the present invention significantly increases the power density of the ultrasonic cleaning.

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Industrial Chemical Cleaning; James W. McCoy, Chemical Publishing Company 1984, pp. 118, 153, 154, 155.

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