FIELD: engines and pumps.
SUBSTANCE: proposed pump comprises housing made up of two halves 1 and 2, inlet and outlet branch pipes with bulkhead arranged there between, vortex working wheel with vanes arranged inside the housing in vortex chamber 3 and gear in mesh with said vanes. Aforesaid vanes represent bevel gear wheel 5 with double-sided teeth 8. Bevel gears 9 and 10 are fitted on axles on opposite sides of the wheel, in conical recesses arranged in housing upper part, teeth of said gears being in mesh with teeth of aforesaid vortex wheel 5 to inhibit fluid overflow from pressure chamber into suction chamber and feed fluid from section chamber into pressure chamber.
EFFECT: higher efficiency and reliability, longer life.
2 cl, 4 dwg
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