Patent ID: 6172429
Filing Date: 2001-01-09
Classification: F03D,F05B,H02S,Y02B,Y02E

Abstract:
A double speed Savonius rotor electrical generator apparatus, said apparatus comprising;two Savonius rotor units mounted adjacent to one another for rotation by a wind encountering said apparatus in opposite directions about a common axis of rotation, andan electrical generator located between said two rotor units,said generator having a field means drivingly connected to one of said rotor units and an armature drivingly connected to the other of said rotor units, wherein:each of said rotor units has two circular end plates and at least two blades extending between said two end plates which blades are of generally semi-cylindrical shape, andone of said end plates of one of said rotor units is located adjacent to one of the end plates of the other of said rotor units,said field means is mounted to and carried by one of said two adjacent end plates, andsaid armature is mounted to and carried by the other of said two adjacent end plates, andsaid two rotor units are supported for rotation about said common aids of rotation by a central pipe extending along said axis of common rotation,said two adjacent end plates are spaced axially from one another, andthe space between said two adjacent end plates is closed by a cylindrical housing fixed relative to said pipe.