Lavatory service shut off valve
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United States of America Patent
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-
May 4, 2004
Grant Date -
Aug 28, 2003
app pub date -
Feb 28, 2002
filing date -
Feb 28, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A shut off valve is provided for use in an aircraft lavatory system during maintenance sanitizing operations. The shut off valve includes an inlet passage in intermittent fluid communication with an outlet passage and a magnetic flapper body movable between a rest position and a seal position between said inlet passage and said outlet passage. The flapper body is moved by a magnetic actuator whereby upon placing said magnetic actuator within the proximity of the flapper body, the flapper body is moved from the rest position and, with the assistance of fluid flow within the valve, into the seal position, thus, preventing fluid communication between the inlet passage and the outlet passage.
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