FIELD: pipeline system.
SUBSTANCE: invention relates to ejector device (1, 40) comprising a body (11) and at least two ejectors (2, 3, 41, 42) located in said body (11) along common axis (13). Each ejector (2, 3, 41, 42) has working inlet (4, 5), suction inlet (6, 7), outlet (8, 9) and valve element (23, 24, 43, 44). Ejector device (1, 40) comprises common actuator (25, 55), which is configured to engage with at least two of valve elements (23, 24, 43, 44) for opening working inlet openings (4, 5).
EFFECT: good control of mass flow rate of fluid through ejector device, while keeping design simple.
15 cl, 7 dwg
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