Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2011-08-02
2011-08-02
Leung, Quyen (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C290S044000, C290S055000, C310S054000, C310S058000, C310S064000
Reexamination Certificate
active
07990006
ABSTRACT:
A generator for a wind turbine including a rotor arrangement and a stator arrangement is provided. The rotor arrangement includes a cylinder barrel or a sleeve enclosing a rotor element provided for the production of energy and having an outer cylinder barrel shaped surface in relation to a centre axis of the generator acting as a bearing surface of the rotor arrangement. The stator arrangement includes a cylinder barrel or a sleeve covering a stator element provided for the production of energy and having an inner cylinder barrel shaped surface in relation to the centre axis of the generator acting as a bearing surface of the stator arrangement. The bearing surfaces of the rotor arrangement and the stator arrangement are arranged oppositely to each other with a substantially cylinder barrel shaped air gap in-between, wherein the air gap comprises a lubricant. Also, a wind turbine including a generator is provided.
REFERENCES:
patent: 2006/0097582 (2006-05-01), Engstrom
patent: 2006/0152014 (2006-07-01), Grant et al.
patent: 2009/0256442 (2009-10-01), Stiesdal
patent: 1394406 (2004-03-01), None
patent: 1657437 (2006-05-01), None
patent: 62189940 (1987-08-01), None
patent: WO 01/21956 (2001-03-01), None
patent: WO 2004/068678 (2004-08-01), None
patent: WO 2008/039119 (2008-04-01), None
Leung Quyen
Scheuermann David W.
Siemens Aktiengesellschaft
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