ROTOR-THROWER OF MULTIPURPOSE DREDGER Russian patent published in 2013 - IPC E02F3/24 E02F5/08 A01G23/06 

FIELD: agriculture.

SUBSTANCE: rotor-thrower comprises a bearing disc with radial blades-throwers, the housing-casing with the inlet and outlet windows, the hydraulic actuator of working elements. The bearing disc is made with installed along its perimetre double-edged chipper knives with their stepwise arrangement in height t over the disc surface and with different distance from its center, in the disc center around the axis the mouldboards with a curved surface are fixed, connected to the flat throwers radially located on the disc, made with the stepped notches on the periphery, the outlet of the housing-casing is provided with a conical valve with a branch pipe with an ejector mounted on it, as well as an air tube and a clamp of quick-detachable hose of woodchip-slurry pipeline, and on the housing-casing in front of the inlet window the machine of excavatory device is mounted adjustment-movably with cramp-shaped passive blades of root extractors-root pruners with disc splitters of soil and roots in a layer of silt.

EFFECT: improvement of quality of cleaning, the possibility of grinding into woodchips of roots and stumps of bushes at the bottom of the drainage channel, separate removal of solid objects hidden in a layer of silt or slurry containing woodchips, grass-soil mass.

3 cl, 3 dwg