FIELD: fluidics. SUBSTANCE: active gas, for example, nitrogen is used as active medium; oxygen of surrounding medium is used as passive medium; device for control of suction of passive medium is made in form of circular insert with respective number of calibrated orifices; device is rated for required composition of controllable gas mixture. Insert is mounted between ejecting nozzle and nozzle of gas being ejected; active medium is fed to supply pipe union through pressure-reducing valve; pressure of active medium before jet is adjusted within range of from 1.0 to 1.3 atm as read off by pressure gauge and mixture of active and passive media thus obtained is fed during entire period of filling the reservoir. EFFECT: enhanced efficiency.
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