CONICAL PROPULSOR Russian patent published in 2013 - IPC B62D57/36 B63H1/38 B60F3/00 

FIELD: transport.

SUBSTANCE: invention relates to devices is intended for converting engine power output into driving force to move transport facility on soil, in water and under water. Conical propulsor represents hollow conical helical jacket mounted in perimetre of transport facility body front to remove there around and made up of curved convex strips. Strip side edges represent curves of 2^nd-order curvature of width varying over aforesaid jacket length from inlet to outlet. Strips are coiled in vertical lengthwise plane and bent in screw lines across the mandrel composed of paraboloid of revolution to make screw lines and helical curvilinear concave surfaces with center of curvature outside screw jacket.

EFFECT: expanded operating performances.

8 dwg