FIELD: engines and pumps.
SUBSTANCE: invention relates to suspension feed pumps. Proposed system comprises the following components: two high-pressure vessels (12) each including inner resilient chamber, pump feeding water via pipeline (30) into chambers, pipeline (26) to feed suspension from every high-pressure vessel at chamber expansion and control device (160) to feed water in one chamber shortly before full compression of the other chamber and vice versa. Control device (160) can feed preset amount of first fluid into chamber (60) measured with respect to reset reference point at first fluid delivery into chamber (60) via hole (22) for first fluid. This device allows measurement of first fluid volume and feeds preset fluid volume of second fluid into second fluid vessel (192) via second fluid opening (18).
EFFECT: higher reliability, lower costs, no need in charge pumps.
10 cl, 9 dwg
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