JET PUMP Russian patent published in 1998 - IPC

FIELD: delivery of liquid media. SUBSTANCE: nozzle is narrowing in way of motion of medium. Mixing chamber consists of two taper narrowing sections at taper angle reducing in succession from section to section and cylindrical section. Taper section which is last in way of motion of medium has taper angle of 1 to 4 dwg. Section which is last but one in way of motion of medium has taper angle of 10 to 22 deg. EFFECT: enhanced reliability of starting and increased head of pump. 5 cl, 3 dwg