FIELD: engines and pumps.
SUBSTANCE: proposed system comprises, at least first pump. Note here that said first pump comprises, at least, first solid housing with inner chamber, first elastic tube arranged in said inner chamber to receive first or second fluid. Said inner chamber around first tube allows receiving either first or second fluid. Said first tube displaces between its expanded and contracted states. One end of at least, one of said first or second tubes is stopped while second end is connected to fluid discharge opening. Stopped end of said tube allows displacement to adapt to tube elongation and contraction.
EFFECT: higher efficiency of pumping.
2 dwg, 19 cl
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