FUEL INJECTION SYSTEM FOR A TURBOMACHINE, COMBUSTION CHAMBER COMPRISING SUCH A SYSTEM, AND ASSOCIATED TURBOMACHINE

FUEL INJECTION SYSTEM FOR A TURBOMACHINE, COMBUSTION CHAMBER COMPRISING SUCH A SYSTEM, AND ASSOCIATED TURBOMACHINE

The invention relates to an air/fuel injection system for a turbomachine, comprising:-an injector comprising a duct and an injection nose, arranged inside said duct, which extends from upstream to downstream along a longitudinal axis;-a mixer device comprising a bowl comprising an annular inlet, for...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MUSAEFENDIC, Haris, LUNEL, Romain Nicolas
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
HEATING
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Beschreibung
Zusammenfassung:The invention relates to an air/fuel injection system for a turbomachine, comprising:-an injector comprising a duct and an injection nose, arranged inside said duct, which extends from upstream to downstream along a longitudinal axis;-a mixer device comprising a bowl comprising an annular inlet, forming the inlet of the mixer device, from which there extends a conical portion flared in the downstream direction, said mixer device being arranged downstream of the injection nose; the injection system being characterized in that the injector comprises an air-injection annulus extending from the duct and from which there extends a connection ring comprising a divergent portion, said ring being arranged externally around the annular inlet of the mixer device.