Patent ID: 6682002
Filing Date: 2004-01-27
Classification: F04F

Abstract:
An ejector comprising:an ejector body having a suction chamber therein, a fluid outlet for allowing a fluid in the suction chamber to exit the suction chamber and a fluid inlet for allowing a fluid to flow into the suction chamber, a nozzle provided in the suction chamber for directing a jet of a drive fluid towards the fluid outlet to induce a flow of fluid exiting the suction chamber through the fluid outlet, thereby creating a negative pressure in the suction chamber, and an interior surface wetting device provided on the ejector body, the interior surface wetting device comprising a cleaning liquid inlet opening to be fluidly connected to a source of cleaning liquid and a cleaning liquid outlet opening for introducing the cleaning liquid into the suction chamber to form a thin wall of the cleaning liquid covering an interior surface of the suction chamber and/or an interior surface of the fluid outlet.