Sealing device
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United States of America Patent
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Issued Date -
Apr 12, 2007
app pub date -
Nov 5, 2004
filing date -
Nov 5, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a sealing device capable of preventing the leakage of a sealed fluid over a wider range of from a lower speed to a higher speed without narrowing of a seal gap. A seal gap 25 is provided between a rotor 3 and a stator 5, and a movable floating ring 6 is disposed in the seal gap 25. The floating ring 6 is formed so that if its thickness T is defined as 1, its length in a widthwise direction perpendicular to a thickness-wise direction is defined as equal to or larger than 3.
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