FIELD: engines and pumps.
SUBSTANCE: bellows pump comprises a bellows element, each end of which is designed with inlet and outlet ports with valves. The bellows element is comprised of two bellows coaxially connected to one another, separated by a baffle. There is a central hole at one end of the bellows element into which a stock is introduced, connected to the baffle.
EFFECT: simpler design, valves location outside of the bellows element increases the reliability of the pump, as it allows to adjust the force of opening and shutting the valves during the pump operation and provides structural assembly and disassembly without integrity damage.
1 dwg
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