FIELD: engines and pumps.
SUBSTANCE: proposed pump comprises housing and crankshaft to drive several pistons by appropriate con-rod. Every piston is fitted in cylinder arranged at cylinder head to suck in fluid from inlet and to force it toward outlet. Pump incorporates atmospheric airflow stabiliser including sealed membrane arranged in suction chamber and having one side open toward atmosphere.
EFFECT: compensated pressure fluctuations.
13 cl, 15 dwg
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