WING-SAIL WINDMILL Russian patent published in 2014 - IPC F03D3/00 

FIELD: power engineering.

SUBSTANCE: invention relates to wind power engineering and can be used for conversion and application of wind power. Windmill comprises twist strut with bearing assy rigidly secured at its top end with two-end horizontal shaft. Its one end is connected with generator while counterweight with at least two detachable blades is secured at opposite end. Extra bearing assemblies with one-end shaft are rigidly secured at counterweight ends, in the plane of its rotation, ends of said assemblies are directed in opposite side from the counterweight. Torsion spring is fitted on the shaft of every bearing assy between bearings, its one end being locked at the housing while opposite end being rigidly coupled with the shaft supporting detachable blade.

EFFECT: higher wind power use factor and windmill reliability.

4 dwg