Colloidal insulating and cooling fluid
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United States of America Patent
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Jan 26, 1999
Grant Date -
N/A
app pub date -
Jul 14, 1997
filing date -
Jul 14, 1997
priority date (Note) -
Expired
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Abstract
Colloidal fluids having improved insulating and/or cooling properties. Embodiments of the invention involve colloidal fluids which comprise a carrier liquid and a dispersed phase of non-metallic particles, wherein the colloidal fluid has a saturation magnetization of less than about 50 Gauss. The compositions may be employed to insulate and/or cool electromagnetic devices, including high power devices, such as power transformers.
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