Jet engine nacelle for an aircraft and aircraft comprising...

Details Jet engine nacelle for an aircraft and aircraft comprising... Jet engine nacelle for an aircraft and aircraft comprising...

2007-09-28

2010-10-26

Casaregola, Louis (Department: 3741)

Power plants

Reaction motor

Interrelated reaction motors

C060S262000, C060S771000, C239S265270

Reexamination Certificate

active

07818958

ABSTRACT:
A nacelle for an aircraft high-bypass jet engine, in which a jet engine having a longitudinal axis is mounted, the nacelle including a wall concentrically and at least partially surrounding the jet engine and defining with the latter an annular duct for fluid inner flow, including at the downstream end of the nacelle wall a passage section of a flow outlet. The nacelle includes a displacement mechanism displacing on request a portion of the nacelle wall to modify the passage section of the flow outlet through which a major portion of the flow escapes, the displacement forming in the nacelle wall at least one opening through which a small portion of a leak flow, naturally escapes. The nacelle further includes a fluid device that uses a fluid for compelling the leak flow to flow along the outer face of the portion of the nacelle wall located downstream relative to the at least one opening.

REFERENCES:
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patent: 3820719 (1974-06-01), Clark
patent: 3885891 (1975-05-01), Throndson
patent: 4047381 (1977-09-01), Smith
patent: 4922713 (1990-05-01), Barbarin et al.
patent: 2005/0103933 (2005-05-01), Lair
patent: 2008/0118348 (2008-05-01), Alecu
patent: 0 315 524 (1989-05-01), None
patent: 2 184 021 (1973-12-01), None
U.S. Appl. No. 12/521,869, filed Jul. 1, 2009, Bulin, et al.

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