Filter with protruding member for engaging valve in head
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United States of America Patent
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May 24, 2011
Grant Date -
Nov 20, 2008
app pub date -
May 15, 2007
filing date -
May 15, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fuel filtration apparatus for use in an internal combustion engine comprises an interrupter valve in a flow path from an inlet port of a filter head to a compliant filter. The interrupter valve has an open state and a closed state. In the open state a protruding member of the filter depresses a bottom end of the valve and opens the flow path when the compliant filter is connected to the filter head. The interrupter valve also has a closed state wherein the flow path is closed in the absence of the protruding member of the filter (as with a non-compliant filter).
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