Patent 8152934 was granted and assigned to Rolls-Royce on April, 2012 by the United States Patent and Trademark Office.
An adjustable nozzle dispenser and a multi-nozzle dispenser are disclosed for washing an aerofoil of a gas turbine engine. The dispensers are characterized by their nozzle arrangements being capable of washing at least two different parts of the aerofoil. A system and a method of operating such a nozzle dispenser is included.