Title:
A direct drive windmill provided with the heat control system, a bearing assembly, and the method of controlling the temperature of a direct drive windmill
Document Type and Number:
Japanese Patent JP6124508
Kind Code:
B2
Abstract:
A direct drive wind turbine with a thermal control system (15) 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) connecting the rotor (12) and the stator (13) rotatively. 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) which is in thermal communication with the inner ring (6) of the bearing (5) and a heat dissipater (24) which is in thermal communication with the heat sink (18). The heating system (17) comprises at least one heating element (25) being in thermal communication with the outer ring (7) of the bearing (5).
Inventors:
Ufe Eleksun
Stephen Saaansung
Stephen Saaansung
Application Number:
JP2012101612A
Publication Date:
May 10, 2017
Filing Date:
April 26, 2012
Export Citation:
Assignee:
Siemens Aktiengesellschaft
International Classes:
F16C25/04; F03D80/70; F16C17/02; F16C17/22; F16C37/00
Domestic Patent References:
| JP425343A | ||||
| JP2008157340A | ||||
| JP201147359A |
Foreign References:
| WO2011004472A1 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Takuya Kuno
Takuya Kuno
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