Mechanical latch locking detection sensors
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United States of America Patent
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Nov 30, 2010
Grant Date -
Feb 4, 2010
app pub date -
Jul 12, 2007
filing date -
Jul 12, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a sensor for determining when a latch for securing an engine cowl on an aircraft is secured by detecting the proximity of a latch hook and a latch pin. The sensor includes a resonant circuit configured and adapted to transmit a status signal when the latch is in a secured state. The sensor also includes a means for conveying status information of the latch to a location remote from the latch based on the status signal, the conveying means being operably connected to the resonant circuit. The invention also provides a method of determining when a latch is open or secured by detecting the proximity of a latch hook and a latch pin.
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