JET-TYPE PUMP

摘要

jet facilities. SUBSTANCE: working flow nozzle is made in form of shaped channel whose configuration constitutes nozzles arranged symmetrically relative to axis and gradually diverging and deepening grooves in form of lobe or shaped equilateral trapezium at nozzle outlet cut. Ratio of height of profile and pitch at nozzle cut does not exceed unity. Profile elements configure over arc of circumference with radius not exceeding half of pitch. EFFECT: increased efficiency of jet-type pump. 5 dwg