Sealing arrangement
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United States of America Patent
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N/A
app pub date -
Jun 17, 2008
filing date -
Jan 19, 2007
priority date (Note) -
Abandoned
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Abstract
A sealing assembly comprises a bore in a housing, a plurality of seal rings and a shaft. The bore comprises a plurality of seats disposed at different seat radius for the seal rings. The bore comprises for each pair of adjacent seats axially inward of an inner end of the outward seat and proximate to the inward seat a chamfer extending radially inwardly over an inward axial distance. The chamfer between each pair of seats allows for the radial contraction of the seal rings upon assembly.
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