Patent ID: 7990006
Filing Date: 2011-08-02
Classification: F03D,F05B,H02K,Y02E

Abstract:
1. A generator for a wind turbine comprising: a rotor arrangement comprising: a stator arrangement comprising: an air gap in between the rotor arrangement and the stator arrangement; and a lubricant, wherein the rotor element is provided for the production of energy and has a first outer cylinder barrel shaped surface in relation to a center axis of the generator which acts as the first bearing surface of the rotor arrangement, wherein the stator element is provided for the production of energy and has a second outer cylinder barrel shaped surface in relation to the center axis of the generator which acts as the second bearing surface of the stator arrangement, wherein the first bearing surface and the second bearing surface are arranged oppositely from each other with the air gap in between which is formed substantially cylinder barrel shaped, and wherein the air gap includes the lubricant.