PUMP-EJECTOR INSTALLATION Russian patent published in 1994 - IPC

FIELD: fluidic. SUBSTANCE: additional pump is coupled to a fluid line at inlet. Additional fluid-gas ejector is connected to outlet of the additional pump through check valve and valving member and to a separator through a line for mixture. The line of gas is connected to the additional ejector through check valve and valving member. The separator is provided with a line for discharging gas that is in communication with the gas line through by-pass line provided with a valving member. A line for pumping mixture is coupled to the separator through the line for discharging mixture and line for by-passing mixture provided with a valving member. The line for by-passing is in communication with the gas line through the line for discharging gas provided with pressure regulator and valving member. EFFECT: enhanced efficiency. 4 cl, 1 dwg