SWIRL SPRAYING NOZZLE FOR SPRAYING LIQUID FUEL, AND METHOD OF PRODUCING SAME, AND A NOZZLE ASSEMBLY FOR A BURNER WITH THE SWIRL SPRAYING NOZZLE

摘要

A swirl spraying nozzle (1) for spraying liquid fuel has a nozzle body (2) which has a hollow cylinder (5) with a base (4) terminating the hollow cylinder on one side and with a head (6) terminating the hollow cylinder on the other side such that a swirl chamber (3) is formed in the nozzle body, wherein at least one admission hole (7, 8) is provided in the hollow cylinder in the vicinity of the base and is arranged in a plane perpendicular to the longitudinal axis of the hollow cylinder and such that it is positioned at an angle in the circumferential direction of the hollow cylinder, and an outlet hole lying on the longitudinal axis of the hollow cylinder is provided in the head such that a liquid can flow tangentially through the admission hole with a swirling action into the swirl chamber and can flow out axially from the swirl chamber through the outlet opening.