Patent ID: 7944069
Filing Date: 2011-05-17
Classification: F03D,F05B,H02K,Y02E,Y02P

Abstract:
1. An electric power-mechanical force converter, comprising; an impeller configured to rotate in response to movement of wind, a moving member fixed to the impeller, having a plurality of field magnets aligned in a circle around a central axis, the moving member being configured and arranged to rotate about the central axis of the plurality of the field magnets when the impeller rotates, two stators, each stator having coils aligned in a circle around the central axis, a first one of the stators disposed on a first side of the moving member, and a second one of the stators disposed on a second side of the moving member, each stator disposed so that there is a gap between the coils on the stator and the field magnets, wherein the moving member is a tubular body, wherein the stators are movable with respect to the moving member, wherein a size of the gap between the magnets and the coils is adjustable.