SCREW PROPULSOR UNIT Russian patent published in 2019 - IPC B62D57/36 A61G5/06 B62M27/00 

FIELD: machine building.

SUBSTANCE: invention relates to the screw propulsion unit. Screw propulsion unit comprises a hollow cylindrical rotor with a helical ridge, equipped with a rotation mechanism, and a swivel head. Screw ridge is made in the form of two helical springs, on which are mounted in discharge replaceable prismatic in form of elastic elements with grousers of viscoelastic material, contacting side walls with coils of adjacent springs and contacting ends of ends of elements on coils of adjacent springs.

EFFECT: higher cross-country capacity.

1 cl, 3 dwg