Oil burner nozzle with body in fuel supply pipe

摘要

The nozzle body (3) is exchangeably fitted in a fuel supply pipe (2) and has a centred outlet opening (4) coupled to the fuel supply pipe. In front of the outlet opening for the fuel is located a whirl chamber (21). The nozzle body contains a cylindrical insert (11), limiting the whirl chamber on the side away from the outlet opening.In the insert are formed recesses (13) tangential to a base circle and opening into the whirl camber, as well as apertures (15) opening into a return pipe (5). The whirl chamber is pref. frusto-conical.