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An injector formed of an outer Coanda nozzle, consisting of three bodies, is located inside a flame stabilization cylinder, also introduced into a supplementary ejection nozzle. The front body is endowed with a baffle followed by an adjustable slot and continued by a Coanda profile having a recess w

An injector formed of an outer Coanda nozzle, consisting of three bodies, is located inside a flame stabilization cylinder, also introduced into a supplementary ejection nozzle. The front body is endowed with a baffle followed by an adjustable slot and continued by a Coanda profile having a recess with several orifices. The injector is simultaneously fed with air and fuel, which mix due to the depression created by the Coanda effect.

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A liquid-fuel burner comprising: an outer generally cylindrical housing having an outwardly flared intake end and an outlet end remote from said intake end; a perforated generally cylindrical flame stabilizer disposed in said housing and coaxial therewith while being spaced with substantially all-ar

A liquid-fuel burner comprising: an outer generally cylindrical housing having an outwardly flared intake end and an outlet end remote from said intake end; a perforated generally cylindrical flame stabilizer disposed in said housing and coaxial therewith while being spaced with substantially all-around clearance from the inner wall of said housing at said intake end thereof; a profiled rib extending radially of said flame stabilizer in said housing; an outer Coanda ejector mounted on said rib coaxial with said flame stabilizer and therein proximal to said intake end, said Coanda ejector comprising a body defining with said rib an annular outwardly opening slot, said body having a bulbous convex portion axially spaced from said slot toward said outlet end and rotationally symmetrical about the common axis of Coanda ejector and said flame stabilizer, said body thereafter converging toward said outlet end; means for supplying combustion air to said slot; and means for feeding a liquid fuel to said body, said body being formed with a chamber receiving said fuel and with passages extending from said chamber toward said intake end and terminating along the surface of said bulbous portion of said body for discharging fuel therealong.