Suction chamber for a water bar used for applying jets to fabrics

A device for applying a jet of water to fabric, knitted fabric webs, or nonwovens, wherein the fabric, knitted fabric webs, or nonwovens comprise layers of staple fibers, endless filaments, or cellulose fibers or mixtures thereof, the device comprising:

• a water bar having a nozzle opening comprising first, second and third segments;
• a suction chamber including a suction area on a lower side of the suction chamber for suctioning off water spraying from the jet of water;
• and
• an air supply device assigned to the water bar and the suction chamber, wherein the air supply device includes at least one outlet opening in a region of an outlet end of the water bar and extending into the region or into the nozzle opening of the water bar, wherein at least two of the outlet openings of the air supply device are arranged opposite each other and are embodied flat in the region of the outlet end and extend approximately parallel to a surface of the third segment or the second segment.