Cabin pressure control system thrust recovery outflow valve and method that enable ram air recovery
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United States of America Patent
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Oct 25, 2016
Grant Date -
Mar 7, 2013
app pub date -
Sep 2, 2011
filing date -
Sep 2, 2011
priority date (Note) -
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Abstract
A thrust recovery outflow valve and method for controlling the transfer of air between a cabin in an aircraft and atmosphere outside of the aircraft are provided. An outflow valve is mounted on the aircraft that includes a valve frame, a first valve door, and a second valve door. The first valve door is rotated to a first predetermined open position while the second valve door is in the second door closed position to thereby open first and second flow passages that place the aircraft cabin in fluid communication with the atmosphere. When the first valve door is at a first predetermined open position, a flap is rotated, relative to the first valve door, to at least partially cover the second flow passage and thereby at least inhibit flow through the second flow passage.
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