PNEUMATIC EJECTOR VACUUM PUMP Russian patent published in 1997 - IPC

Abstract RU 2074989 C1

FIELD: fluidics. SUBSTANCE: flow section of nozzle is formed by two cones with narrowing parts directed towards each other. Ratio of maximum diameters of nozzle in way of flow of compressed air ranges from 1.44 to 1.76 and conicity of flow section of nozzle in way of flow ranges from 1: 13.5 to 1:16.5 and 1:40 to 1:60. EFFECT: enhanced reliability. 1 dwg

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RU 2 074 989 C1

Authors

Ratnikov Viktor Ivanovich

Dates

1997-03-10—Published

1993-12-27—Filed