Dual-flow turbine engine equipped with a thrust reversal system

Details Dual-flow turbine engine equipped with a thrust reversal system Dual-flow turbine engine equipped with a thrust reversal system

1995-03-23

1996-03-05

Bertsch, Richard A.

Power plants

Reaction motor

Interrelated reaction motors

60230, 23926529, 244110B, F02K 302

Patent

active

054957109

ABSTRACT:
The invention concerns a dual-flow turbine engine equipped with a thrust reversal system and at least one device for restricting the annular channel for the ejection of cold gases. According to the invention, each restriction device, consisting of a fitting (7) and a shutter (8) pivoting with respect to the said fitting, has sealing means disposed between the said shutter and fitting, adapted for defining at least one airtight chamber (12, 13) between these last two, each fitting (7) having, in line with each chamber, at least one orifice. Furthermore, elastic means are arranged so as to act on the shutter (8) in such a way as to produce an initial release of the latter. These devices aim to guarantee the holding of the shutter (8) in its closed position, where it is clamped against the fitting (7), during flight, whilst ensuring the opening of this shutter after landing, under the effect of the elastic means.

REFERENCES:
patent: 3330115 (1967-07-01), Markowski
patent: 4052007 (1977-10-01), Willard
patent: 4362015 (1982-12-01), Fage
patent: 4462207 (1984-07-01), Hitchcock
patent: 4884748 (1989-12-01), Ward et al.
patent: 4930308 (1990-06-01), Fage
patent: 5224342 (1993-07-01), Lair
patent: 5370402 (1994-12-01), Gardner et al.

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