Method and apparatus for detecting a fouled fluid filter
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United States of America Patent
Stats
-
Dec 26, 1995
Grant Date -
N/A
app pub date -
May 24, 1994
filing date -
May 25, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for detecting a fouled fluid filter are disclosed in which the fluid pressure at the outlet of the fluid filter is corrected by a correction pressure to determine a corrected pressure drop. Such a corrected pressure drop has a mathematical function which passes through a maximum magnitude before the fluid flowing through the fluid filter reaches a maximum value. The corrected pressure drop is monitored during the operation of the fluid filter and when the corrected pressure drop reaches a predetermined threshold value, before the engine with which the fluid filter is associated reaches its maximum power, an alarm will be actuated.
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