FIELD: transport.
SUBSTANCE: proposed motor unit comprises chassis and lengthwise axis. Second wheel unit is arranged on chassis first end. Second wheel unit is arranged on chassis second end. Note here that every wheel unit comprises several wheels and their drives rotating them in independent directions. Every said wheel has rotational axis located at angle to chassis lengthwise axis. Every wheel features axially symmetric shape with larger and smaller ends and has larger end mounted on wheel arm. Invention covers also method of working inside pipeline.
EFFECT: in-pipe motor unit.
20 cl, 8 dwg
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