FIELD: electrical engineering; DC motors for rotary and diaphragm-type: pumps. SUBSTANCE: motor designed for driving high-speed pumps ensuring delivery of desired liquid flow has frame; shaft mounted in journal bearings made of nonferrous metals type BR OG 10-1A in the form of balls truncated on both ends; spring-loaded current collectors; rotor armature with 49 to 51 turns in each coil; overhung sections of shaft are provided with flats and holes crossing the latter along normal for coupling with pump. EFFECT: reduced size, enhanced shaft speed. 3 dwg
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|---|---|---|---|
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