EJECTOR Russian patent published in 1998 - IPC

FIELD: delivery of low-pressure medium. SUBSTANCE: active nozzles of ejector are provided with circular-tail-pieces engageable with mounting holes forming outlet passages at constant diameter or at diameter increasing in way of flow of medium. Nozzle is made in form of bush with bevel end directed towards mixing chamber; its surface copies surface of section of tail piece by inner surface of mixing chamber or is approximate to this surface at accuracy better than 0.1 of gas-dynamic diameter of nozzle at its exit section. EFFECT: enhanced stability of working characteristics. 4 cl, 4 dwg