Seal device
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United States of America Patent
Stats
-
Dec 11, 2012
Grant Date -
Aug 18, 2011
app pub date -
Jun 14, 2010
filing date -
Sep 24, 2009
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A seal device has a magnetic force generator for generating a magnetic force in a vicinity of a shaft. A first magnetism transmission member for transmitting the magnetic force generator is disposed adjacent to one side of the magnetic force generator. A second magnetism transmission member for transmitting the magnetic force generated by the magnetic force generator is disposed adjacent to another side of the magnetic force generator. A slide bush is disposed and secured between an inner flange of the second magnetism transmission member and the shaft. A seal member for sliding relative to an outer peripheral surface of the shaft, is accommodated in a sealing. And, a magnetic fluid is held between the shaft and the magnetism transmission member by the magnetic force generated by the magnetic force generator.
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International Classification(s)
Cited Art Landscape
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