Low breakout friction energized gasket
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United States of America Patent
Stats
-
Aug 14, 2012
Grant Date -
Nov 10, 2011
app pub date -
May 7, 2010
filing date -
May 7, 2010
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mechanical seal typically includes gaskets as secondary seals therein. An improved gasket is provided which has a U cup design wherein the gasket is formed with a first spring-energized groove which opens radially and has a deflectable sealing wall which is deflectable axially, and includes a second spring-energized groove which is canted at an angle relative to the axial and radial directions wherein the groove defines a sealing leg which is deflectable at an angle relative to the axial and radial directions. A support ring supports the canted sealing leg along the major extent thereof wherein an end portion of the canted sealing leg is disposed for sealing contact with an axially-extending component surface.
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