Gas turbine engine nacelle with sound damping means in the fan intake area

The housing (29) has a honeycomb structural layer arranged in a region of an inflow-side air inlet (11) at the housing arranged upstream of a fan (12). Sound proofing elements arranged at radially outside the honeycomb structural layer that extends in axial direction. The sound damping elements are...

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Bibliographische Detailangaben
Hauptverfasser:	Todorovic, Predrag, Kubisch, Thomas
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS COSMONAUTICS EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS JET-PROPULSION PLANTS LIGHTING MECHANICAL ENGINEERING PARACHUTES PERFORMING OPERATIONS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The housing (29) has a honeycomb structural layer arranged in a region of an inflow-side air inlet (11) at the housing arranged upstream of a fan (12). Sound proofing elements arranged at radially outside the honeycomb structural layer that extends in axial direction. The sound damping elements are arranged annularly adjacent to one another in circumferential direction. Each sound-damping element comprises a hollow chamber extending in axial direction through recesses in communication with the honeycomb structural layer.