Patent ID: 8742612
Filing Date: 2014-06-03
Classification: F03D,Y02E

Abstract:
1. A turbine, comprising: a first shaft rotatable in a first direction; a second shaft rotatable in a second direction, the second direction being generally opposite the first direction; a first propeller coupled to the first shaft for rotating the first shaft in the first direction; a second propeller coupled to the second shaft for rotating the second shaft in the second direction; an armature operatively coupled to the first shaft for rotation with the first shaft; and a field component operatively coupled to the second shaft for rotation with the second shaft; a collar extending from the second shaft; a flange plate extending from the second shaft; a bearing seated in the collar and supporting the first shaft; and a housing extending from the flange plate, the armature being inside the housing, the field component being embedded in or operatively coupled to the housing.