Ventilation of a high-pressure turbine in a turbomachine

Turbomachine high-pressure turbine comprising a rotor disc (24) with upstream (30, 32) and downstream (40, 42) annular flanges separating a radially internal annular cavity (72) in which the hub (64) of the disc (24) extends from two radially external annular cavities of which one (50) is upstream o...

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Bibliographische Detailangaben
Hauptverfasser:	GARIN FABRICE, ROUSSIN-LEROUX DELPHINE, SCHWEBLEN WILFRIED, DAKOWSKI MATHIEU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	Turbomachine high-pressure turbine comprising a rotor disc (24) with upstream (30, 32) and downstream (40, 42) annular flanges separating a radially internal annular cavity (72) in which the hub (64) of the disc (24) extends from two radially external annular cavities of which one (50) is upstream of the disc and receives a ventilation air flow (48) and of which the other (88) is downstream of the disc, the upstream flange (30, 32) of the disc comprising means (74) connecting the upstream external cavity (50) and the internal cavity (72) for ventilating the hub (64) of the disc (24).