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

FIELD: transport.

SUBSTANCE: invention relates to devices in tended for converting engine power output into driving force to move transport facility on soil, in water and under water. Drive propulsor comprises propulsor proper and housing. It represents hollow cylindrical helical jacket arranged along perimeter of transport facility to rotate there around. 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