WINDMILL Russian patent published in 2001 - IPC

FIELD: wind-power engineering; windmills operating at constant speed of windwheel. SUBSTANCE: windmill has carrying shaft, wheel with hub mounted on shaft, blades secured on wheel and power governor. According to invention, carrying shaft is connected with hub by means of movable joint. Shafts of turnable blades are mechanically connected to each other and to carrying shaft by means of traction plate secured on end face of carrying shaft and hinged two- member levers. Power governor is made in form of spring fitted on shaft between stop and movable hub on which adjustable tubular stop is secured. EFFECT: provision of constant speed of windmill wheel at any wind velocity. 2 dwg