Method and apparatus for the wet cleaning of the nozzle ring of

Details Method and apparatus for the wet cleaning of the nozzle ring of Method and apparatus for the wet cleaning of the nozzle ring of

1996-12-04

1999-08-31

Verdier, Christopher

Rotary kinetic fluid motors or pumps

With diversely oriented inlet or additional inlet for...

Diverse fluids to motor

415116, 60619, 1341041, 134169A, 2395535, 2395905, F02B 3700

Patent

active

059444835

ABSTRACT:
A method for wet cleaning of the nozzle rings of exhaust-gas turbocharger turbines is based on thermal shock of the contaminants, and includes the steps of injecting water in repeated, relatively small amounts, into the exhaust duct immediately upstream of the nozzle ring. A delay between injections allows the nozzle ring to reheat to operating temperature so that each water injection causes a thermal shock. An apparatus to perform the method includes water injection nozzles installed in the exhaust gas casing and a control system. The method and apparatus provide improved cleaning using less water than in known methods.

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patent: 5193976 (1993-03-01), Kolev et al.
patent: 5518182 (1996-05-01), Sasao

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