PROPULSOR Russian patent published in 2013 - IPC B60F3/00 B63H1/12 B62D57/36 

FIELD: transport.

SUBSTANCE: invention relates to propulsors. It represents hollow cylindrical helical jacket arranged along perimeter of transport facility to rotate there around. Proposed propulsor is composed of one band bent in straight lines located at an angle to edges of bands to form identical parallelograms alternating at said band in opposite directions. Note here that said band is coiled in cylindrical coils interconnected along lengthwise edges to form broken helical lines and helical surfaces directed to one side on said outer surface in the form of broken triangular helical grooves and triangular seats on inner surfaces.

EFFECT: expanded operating performances.

8 dwg