Flow Inducing Ring For a Mechanical Seal
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United States of America Patent
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Issued Date -
Jun 4, 2009
app pub date -
Mar 31, 2006
filing date -
Mar 31, 2005
priority date (Note) -
Abandoned
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Abstract
A flow inducing ring for a mechanical seal includes a body portion having a first edge face and a second edge face, and at least one first groove extending both axially and circumferentially in one direction across the body portion from the first edge face to the second edge face. At least one second groove extends both axially and circumferentially in an opposite direction across the body portion from the first edge face to the second edge face. Each of the first groove and the second groove includes an entry portion, configured to draw a barrier fluid into the groove from the first edge face, and an exit portion, that is configured to expel barrier fluid from the groove to the second edge face and to impede the drawing of barrier fluid into the groove from the second edge face.
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