GAS TURBINE ENGINE WITH LOW FAN PRESSURE RATIO

A turbofan engine (10) includes a fan variable area nozzle (42) axially movable relative to the fan nacelle (34) to vary a fan nozzle exit area (44) and adjust a pressure ratio of the fan bypass airflow (B) during engine operation.

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Bibliographische Detailangaben
Hauptverfasser:	SMITH, Peter G, OCHS, Stuart S, SCHWARZ, Frederick M
Format:	Patent
Sprache:	eng ; fre ; ger
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 JET-PROPULSION PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A turbofan engine (10) includes a fan variable area nozzle (42) axially movable relative to the fan nacelle (34) to vary a fan nozzle exit area (44) and adjust a pressure ratio of the fan bypass airflow (B) during engine operation.