DIFFUSION CONE FOR THE REAR PART OF A JET ENGINE, INCORPORATING A FLAME-HOLDER RING AT THE TRAILING EDGE

World Intellectual Property Organization Patent

APP PUB NO WO-2022223914-A1
SERIAL NO

PCTFR2022050714

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Abstract

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A diffusion cone (33) for the rear part of a jet engine has a base (50) and, on an opposite side, a truncated tip defining an annular trailing edge (58), and comprises a flame-holder ring (70) with a cross section comprising an external branch (70A) and an internal branch (70B) which are connected to one another on the base (50) side and such that the external branch extends around the internal branch, whereby the external and internal branches delimit between them an internal space (72) opening on the opposite side to the base. One of the branches is made up of the annular trailing edge (58). The flame-holder ring comprises at least one fuel inlet (75) designed to let fuel into the internal space (72). Such a flame-holder ring makes it possible to ensure and to control the propagation of the flame within the afterburner channel.

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Patent Owner(s)

Patent OwnerAddress
SAFRAN AIRCRAFT ENGINESFR75015 PARIS

International Classification(s)

Inventor(s)

Inventor Name Address
LUNEL ROMAIN 77170 BRIE COMTE ROBERT
MALBOIS PIERRE SAFRAN C/O CENTRE D’EXCELLENCE PROPRIÉTÉ INTELLECTUELLE ROND-POINT RENÉ RAVAUD RÉAU 77550 MOISSY-CRAMAYEL 77550
BECHET CLÉMENT SAFRAN C/O CENTRE D'EXCELLENCE PROPRIÉTÉ INTELLECTUELLE ROND-POINT RENÉ RAVAUD RÉAU 77550 MOISSY-CRAMAYEL 77550
GRESLIN EMMANUEL SAFRAN C/O CENTRE D'EXCELLENCE PROPRIÉTÉ INTELLECTUELLE ROND POINT RENÉ RAVAUD - RÉAU 77550 MOISSY-CRAMAYEL 77550

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