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Device for mechanically decoupled attachment of an aircraft component having hot gas flowing through the same

A technology of aircraft parts and hot air, applied to aircraft parts, exhaust devices, jet propulsion devices, etc., can solve problems such as damage, and achieve the effect of compensating for position and angle deviations

Inactive Publication Date: 2010-12-01
AIRBUS OPERATIONS GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the thermal stresses caused by the hot gas, the components used to guide the hot gas cannot withstand the high friction forces and can therefore be damaged

Method used

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  • Device for mechanically decoupled attachment of an aircraft component having hot gas flowing through the same
  • Device for mechanically decoupled attachment of an aircraft component having hot gas flowing through the same
  • Device for mechanically decoupled attachment of an aircraft component having hot gas flowing through the same

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Embodiment Construction

[0018] For a better understanding, the device according to the present invention is described below as an embodiment, which is integrated in an Airbus A400M military transport aircraft, for example. The device according to the invention is not restricted to the mechanical decoupling of APU-exhaust ducts, but can also be used in other aircraft systems in which hot air is to be discharged via ducts.

[0019] figure 1 An exhaust system 2 is shown, at which the housing cover installed during operation has been removed for better illustration. The exhaust system 2 comprises a housing 4 formed of sheet metal slots, stiffening members, brackets and fittings and an exhaust duct, in the example, consisting of three continuous exhaust ducts 6, 8 and 10, leading outwards from an exhaust inlet 12 Extends into the housing 4. The exhaust gas line 6 guides the exhaust gas from the APU at the exhaust gas inlet or connection 12 into the exhaust system 2, where the exhaust gas enters the exha...

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PUM

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Abstract

The invention relates to a device (22) for mechanically decoupled mounting of components having hot gas flowing through the same in an aircraft, having a coupling component (42) for coupling to a component emitting hot gas and a component receiving hot gas, a bracket (24), a flange (36), and a bellows (30), wherein the bracket can be attached to a housing or frame (4) connected to a component having hot gas flowing through the same, the bellows being attached to the flange at one end, and being attached to the bracket at the other end thereof, and the coupling component being mounted on the flange. Both angular offset and radial and axial shifts in position can be compensated for by the device.

Description

technical field [0001] The invention relates to a device for the mechanically decoupled fastening of an aircraft component through which hot air flows to a housing or frame. Background technique [0002] For example, when the auxiliary unit (hereinafter referred to as "auxiliary power unit" or "APU") is in operation, hot air is present in the aircraft, and the hot air of the APU is produced in the form of exhaust gas and has a temperature of up to 730 degrees Celsius. The exhaust system that cools the exhaust air and discharges it must be mechanically connected to the structure of the aircraft and be able to simultaneously balance relative motion under operating conditions, thermal expansion, manufacturing tolerances and assembly tolerances. [0003] In general, elastic rubber elements are preferably used to compensate for relative movements or manufacturing tolerances when conveying gas using pipes or channels. Due to the high temperatures that occur at the pipes through w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N7/18B64D41/00F01N13/18
CPCF05D2220/50B64D2041/002Y02T50/671B64D2033/045F02K1/04B64D41/00F01D25/30F02K1/80F16L27/111F16L59/21F01N13/1816Y10T29/53Y02T50/60
Inventor 马库斯·皮斯克
Owner AIRBUS OPERATIONS GMBH
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