COMBUSTION CHAMBER COMPRISING MEANS FOR COOLING AN ANNULAR CASING ZONE DOWNSTREAM OF A CHIMNEY

COMBUSTION CHAMBER COMPRISING MEANS FOR COOLING AN ANNULAR CASING ZONE DOWNSTREAM OF A CHIMNEY

A combustion chamber for a turbomachine including an annular casing delimiting an inner volume of the combustion chamber and provided with a chimney extending to the outside of the inner volume and delimiting a passage for a penetrating part, and a bushing mounted floating on the chimney, further in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PIEUSSERGUES, Christophe, LEPAROUX, Julien Marc Matthieu
Format: Patent
Sprache:eng
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:A combustion chamber for a turbomachine including an annular casing delimiting an inner volume of the combustion chamber and provided with a chimney extending to the outside of the inner volume and delimiting a passage for a penetrating part, and a bushing mounted floating on the chimney, further includes: a main air collection chamber open to the upstream arranged facing the downstream portion of the chimney; and a through-opening of the annular casing, connecting the inner volume to the main air collection chamber. The air collected by the main air collection chamber is injected into the inner volume via the through-opening and can cool an annular casing zone downstream of the chimney.