JET-VORTEX APPARATUS Russian patent published in 1999 - IPC

FIELD: suction transfer of various liquid and gaseous media. SUBSTANCE: inner surface of contraction is provided with guide blades mounted at angle relative to its axis. Ejecting pipe is provided with through slotted ejecting passages which are inclined relative to its axis in way of motion of flow. these passages are located in succession one after another across motion of working medium in helical passage and guide blades flush with inner surface of pipe and tangentially relative to its section; they are provided with intake baffles of pressure flow of working medium. EFFECT: enhanced operational reliability and efficiency of jet apparatus. 2 cl