FIELD: engines and pumps.
SUBSTANCE: distributor 1 consists of cylindrical case 3, top 4 and bottom 5 plates with vanes 6 arranged there between to make return channels. Inner lateral surface of case 3 accommodate inclined equally space apart vanes 7. Said vanes are formed by two spiral surfaces that make in meridional section a triangle profile 10 elongated at an angle to distributor axis.
EFFECT: minimised hydraulic losses, higher head due to stabilised working fluid flow between stages.
5 cl, 5 dwg
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