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Title:
DIRECT DRIVE WIND TURBINE WITH THERMAL CONTROL SYSTEM
Document Type and Number:
Japanese Patent JP2012233576
Kind Code:
A
Abstract:

To provide improved cooling for a bearing of a wind turbine.

A direct drive wind turbine with a thermal control system has: a generator 11 with a rotor 12 and a stator 13; and a bearing 5 with an inner ring 6 and an outer ring 7 rotatably connecting the rotor 12 and the stator 13. The thermal control system 15 comprises a cooling system 16 and a heating system 17. The cooling system 16 comprises at least one heat sink 18 that is in thermal communication with the inner ring 6 of the bearing 5, and a heat dissipater 24 that is in thermal communication with the heat sink 18. The heating system 17 comprises at least one heating element 25 that is in thermal communication with the outer ring 7 of the bearing 5.


Inventors:
ERIKSEN UFFE
SOERENSEN STEFFEN
Application Number:
JP2012101612A
Publication Date:
November 29, 2012
Filing Date:
April 26, 2012
Export Citation:
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Assignee:
SIEMENS AG
International Classes:
F16C25/04; F03D11/00; F16C17/02; F16C17/22; F16C37/00
Domestic Patent References:
JPH0425343A1992-01-29
JP2011047359A2011-03-10
JP2008157340A2008-07-10
Foreign References:
WO2011004472A12011-01-13
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Takuya Kuno