FIELD: engines and pumps.
SUBSTANCE: proposed pump consists of squirrel-cage outer gear wheel 13 with multiple inner gears 16 and inner gear wheel 9 fitted shifted relative to the center of and inside said outer gear wheel 13 and furnished with multiple outer teeth in mesh with inner teeth 16. Said gear wheel 9 has the number of teeth smaller by one than that of gear wheel 13. Drive rotating multiple outer teeth 13 comprises bearings 11 fitted at the center of flanges of faces 14, 15 of outer gear wheel 13. The latter can be partially knocked down for inner gear wheel 9 to be fitted therein.
EFFECT: reduced radial sizes, possibility to fit inner gear wheel into remove from outer gear wheel.
9 cl, 9 dwg
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