FIELD: engines and pumps.
SUBSTANCE: proposed pump comprises intake opening, discharge opening, channel, first and second support beams, first and second scraper seals, and first and second drive units. Powder is fed via intake opening into channel and escapes therefrom via discharge opening and gate. Channel is defined by first belt assembly and second belt assembly. First scraper seal and second scraper seal are arranged nearby said channel and discharge opening. First drive assembly is arranged in first belt assembly inner section to drive the latter. Second drive assembly is arranged in second belt assembly inner section to drive the latter.
EFFECT: higher efficiency due to elimination of destruction in displacement and dead zones.
23 cl, 8 dwg
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