Thrust reverser comprising optimized deflector gratings
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United States of America Patent
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Feb 3, 2009
Grant Date -
Jan 12, 2006
app pub date -
Dec 22, 2003
filing date -
Dec 24, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a device comprising gratings, which are used to form a reverse flow from a jet engine thrust flow. The inventive device comprises a plurality of flow diverter gratings which are disposed side-by-side at the outer edge of an annular thrust flow circulation channel. Each of the gratings comprises a plurality of intersecting inner transverse blades and inner longitudinal blades, two adjacent gratings being separated by a side clearance which generates a leakage flow. The device also comprises means of re-directing the aforementioned leakage flow in a direction such as to increase the effectiveness of the reverse flow, said re-direction means comprising aerodynamic appendages which are mounted to at least one outer longitudinal edge of each grating.
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