FIELD: engines and pumps.
SUBSTANCE: invention relates to high-speed plate-type pumps of multiple action. Pump comprises housing 1, stator 6 embracing cam rotor 19. External surface of stator 6 is made with three annular grooves separated by seals 7 between stator 6 and housing 1 on two extreme annular cavities of suction manifold 10 and central annular cavity of discharge header 11. Extreme annular cavities are interconnected by channels passing under central annular cavity connected to outlet port 15 located in housing 1 in zone between seals 7. Impeller 23 with central feed of fluid and its discharge into header 10 is installed on shaft 22 of rotor 19. Fluid diversion channel from end seal of rotor 19 is provided with outlet to header 10 or outer surface of housing 1. Outlets of suction channels and pressure channels 14 on inner surface of stator 6 are arranged in rows. Both outlet holes of suction and pressure strips are separated by crosspieces on the line along slots of stator 6 serving as support surfaces for rotor cams 19.
EFFECT: invention is aimed at reduction of mass and dimensions parameters of the pump, increase of efficiency.
7 cl, 6 dwg
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