High temperature shaft seal for bleed valve with roller bearings
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United States of America Patent
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May 1, 2018
Issued Date -
N/A
app pub date -
Feb 15, 2017
filing date -
Feb 15, 2017
priority date (Note) -
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Abstract
A seal assembly for a creating a seal between a shaft and a valve housing of a bleed valve that impedes contaminants from reaching bearings includes first and second seal pieces. The first seal piece circumferentially surrounds the shaft and is disposed between the shaft and the valve housing. The second seal piece is in contact with and is disposed axially adjacent to the first seal piece relative to the shaft. The second seal piece is biased against the first seal piece.
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