JET APPARATUS Russian patent published in 1998 - IPC

FIELD: handling various media. SUBSTANCE: pipe lines supplying passive medium to head and to intake chamber are made separately. Chamber for supply of passive medium to head is made separately from passive medium intake chamber. Section of head directed towards diffuser is corrugated. End of each inner fin of corrugated surface directed towards nozzle exit section is closed. End of each outer fin of corrugated surface of head directed towards nozzle exit section is open for passage of passive medium inside. EFFECT: enhanced efficiency. 34 cl, 15 dwg