Patent ID: 7597060

Claim:
An apparatus that entrains a secondary fluid into a primary fluid flow while the primary fluid flows along a surface of an object, the apparatus comprising: an inlet through which a first portion of the primary fluid flows, the first portion of the primary fluid entering the inlet through a first opening and exiting the inlet through at least one nozzle; a flow diverting member, at least a portion of the flow diverting member being located downstream from the first opening of the inlet, a second portion of the primary fluid flowing over the flow diverting member; a second opening that enables the secondary fluid to flow into a first region, the second opening being located at or downstream from the flow diverting member and the first region being between the surface of the object and the second portion of the primary fluid; a free surface consisting of an area in which the second portion of the primary fluid abuts the first region; and wherein the at least one nozzle directs the first portion of the primary fluid through the free surface.