Ring generator
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United States of America Patent
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Apr 25, 2017
Issued Date -
N/A
app pub date -
Apr 8, 2015
filing date -
Oct 8, 2008
priority date (Note) -
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Abstract
A ring generator of a wind power installation is provided comprising a stator having a peripherally extending stator ring for receiving stator windings and a rotor mounted rotatably about an axis of rotation relative to the stator, wherein the stator ring has cooling passages for cooling the stator by an air flow. A ring generator of a wind power installation is also provided having a stator, a peripherally extending stator ring for receiving stator windings, a rotor mounted rotatably relative to the stator and a stator bell connected to the stator ring for providing a pressure chamber with an increased or reduced pressure for providing an air flow through and/or along the stator and/or rotor for cooling the ring generator, wherein the stator bell has at least one fan opening provided with a fan.
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