FIELD: engines and pumps.
SUBSTANCE: fluid transfer pump comprises cylindrical housing 1 with intake and discharge branch pipes 2, 3, rotor with spiral membrane fitted in housing 1, two drive motors 6, 7 coupled with rotor shafts 4, 5. Said membrane is made up of Schpadi external propeller 10 with looped vanes and internal reverse rotation propeller 14 with solid vanes. Propellers 10 and 14 revolve at different angular speed. External propeller 19 is fitted on shaft 4 coupled with motor 6 arranged on one side of housing 1 while internal propeller 14 is fitted on shaft 5 coupled with motor 7 on the opposite side of housing 1.
EFFECT: higher pressure, ruling of outlet fluid flow swirling.
4 cl, 2 dwg
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