Pressure-energized probe seal for female hydraulic coupling member
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United States of America Patent
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Dec 12, 2017
Grant Date -
Feb 17, 2011
app pub date -
Oct 27, 2010
filing date -
May 1, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A probe seal for a female hydraulic coupling member has both internal and external pressure-energized seals. The outer wall or opposing ends of the seal have one or more pressure-energized seals for sealing between the body of the probe seal and the body of a coupling member in which the probe seal is installed. Annular, L-shaped, T-shaped or angled grooves in the inner wall of the seal form cavities and sealing projections that can be urged in an inward, radial direction by fluid pressure within an associated cavity to increase the sealing effectiveness between the body of the seal and the probe of a male hydraulic coupling member inserted in the receiving chamber of the female coupling member.
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