Self-cooling ferrofluid seal
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United States of America Patent
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app pub date -
Oct 24, 2007
filing date -
Aug 26, 2004
priority date (Note) -
Abandoned
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Abstract
A method of cooling a ferrofluid seal that includes moving air from an atmospheric side of the ferrofluid seal over one or more heat dissipating surfaces within the ferrofluid seal through an air path formed in the ferrofluid seal by incorporating one or more vent openings in a housing case and one or more fan blades on a surface selected from the group consisting of an outside surface of a shaft and an inside surface of the housing case where the space surrounding the shaft communicates with the one or more vent openings and where the moving air is caused by the rotation of the surface having the one or more fan blades.
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