Ferrous particle counter
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United States of America Patent
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Jan 13, 1998
Grant Date -
N/A
app pub date -
May 9, 1996
filing date -
Mar 17, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of and apparatus for determining ferrous particle counts in a fluid within a machine fluid system. In a sequential process, a solid particle count in a fluid above at least one given particle size is determined to determine particle size distribution. Ferrous particles are separated from the fluid and a solid particle count in the fluid above at least one given particle size is again measured to determine the solid contamination level of non-ferrous particles only. The solid particle count is compared with the non-ferrous particle count to determine the ferrous particle count above at least one given particle size to determine particle size distribution in said machine fluid system caused by wear.
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