Cooling device

Fluid reaction surfaces (i.e. – impellers) – Method of operation

Reexamination Certificate

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Details

C416S09600A, C415S115000, C415S905000, C415S908000

Reexamination Certificate

active

07621720

ABSTRACT:
A cooling device for a wind turbine is provided, the cooling device including at lease one liquid-tight tube which is partially filled with a liquid coolant, wherein one end of the tube is located in a first area and another end of the tube is located in a second area, the first and second areas having different temperatures when operating the wind turbine.

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patent: 2576487 (1951-11-01), Stanley
patent: 6264877 (2001-07-01), Pallu De La Barriere
patent: 6400039 (2002-06-01), Wobben
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patent: 6520737 (2003-02-01), Fischer et al.
patent: 6676122 (2004-01-01), Wobben
patent: 7051548 (2006-05-01), Pruitt
patent: 7111668 (2006-09-01), Rurup
patent: 7200005 (2007-04-01), Von Gutfeld et al.
patent: 10352023 (2005-06-01), None
patent: 8103416 (1983-02-01), None
patent: 0106121 (2001-01-01), None
patent: 0177526 (2001-10-01), None
patent: 2006017888 (2006-02-01), None
European Search Report for application EP 07110882, dated Dec. 6, 2007.

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