MULTI-STAGE JET APPARATUS Russian patent published in 2002 - IPC

FIELD: transportation of gaseous, vapor-and-gas, liquid and loose agents. SUBSTANCE: jet apparatus has several detachable and/or non- detachable sections with cylindrical and nozzle chambers, passive medium supply unit and active medium supply unit; first section is provided with multijet unit which consists of nozzle chamber provided with central and peripheral nozzles, intake chamber and mixing chamber; peripheral nozzles of first section are mounted at angle relative to axis of apparatus; mixing chamber adjoins directly second chamber where nozzles are mounted on the outside of chamber at angle of 0 to 60 deg. relative to axis of apparatus; increase of cross section of each section is made stepwise and with turn of flow in at least one section. EFFECT: enhanced reliability. 11 cl, 3 dwg