Patent ID: 8235360

Claim:
A fluid jet for injecting fluids in the liquid of a tub through a throughbore in a wall of the tub, comprising: a gas injector comprising a hollow body having a gas inlet adapted to receive a gas flow from a pressurized gas source, and a gas outlet for producing a flux of gas with the gas flow; and a liquid injector comprising a hollow body having a liquid inlet adapted to be connected to a pressurized liquid source to receive a liquid flow therefrom, and a liquid outlet for producing a flux of liquid with the liquid flow, the gas injector being received in the hollow body of the liquid injector, for the gas outlet and the liquid outlet to form a common jet outlet in which the liquid outlet has an annular shape with the gas outlet being in a center of the annular shape, the liquid injector adapted to be secured to the wall of the tub opposite the throughbore such that fluids exiting the common jet outlet are directed concurrently through the throughbore into the liquid of the tub.