Multi-stage centrifugal debris trap
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United States of America Patent
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-
Feb 13, 2007
Grant Date -
Jun 23, 2005
app pub date -
Dec 19, 2003
filing date -
Dec 19, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A centrifugal debris trap includes a cylindrical chamber bound by an inner surface of a continuous wall radially disposed about a center axis at a first inner diameter, and having a first wall end and a second wall end; and a plurality of grooves between the first and second wall ends, extending radially outward from the inner surface into a portion of the continuous wall, and each having a groove outer diameter that is greater than the first inner diameter. The cylindrical chamber is sealed at the first wall end by a back plate attached about a circumference of the first wall ends, and is open at the second wall end through a ring attached thereto about a circumference of the second wall end. The ring has a ring opening radially disposed about the center axis, and a second inner diameter less than the first inner diameter.
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