FIELD: engines and pumps.
SUBSTANCE: proposed system comprises pump station with drive motor (1), rotary pump (2) and jet pump (3), suction manifold (6) and pressure manifold (7) with gate valves, pipes and check valve (8). Pipe (12) with gates (10) communicates suction manifold (6) and jet pump (3). Pipe (13) with gates (11) communicates suction manifold (7) and jet pump (3). Pipe (14) serves to force water into pool. Suction manifold (6) is equipped with screen filter (9) and secured by vertical props (16) at pool bottom. Jet pump (3) is arranged to develop rarefaction in suction manifold (6).
EFFECT: higher efficiency, ruled out flooding of pump station water freezing in suction manifold.
2 dwg
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