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Passenger oxygen mask and breathing bag for oxygen mask

An oxygen mask and breathing bag technology, applied in the field of breathing bags, can solve problems such as increasing the number of hose interfaces, and achieve the effect of simplifying manufacturing and installation

Inactive Publication Date: 2014-10-15
BE AEROSPACE SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem here is on the one hand the installation, since the indicated flow direction of the flow indicator must be observed
On the other hand, inserting a flow indicator into a hose that is interrupted in this area increases the number of hose connections

Method used

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  • Passenger oxygen mask and breathing bag for oxygen mask
  • Passenger oxygen mask and breathing bag for oxygen mask
  • Passenger oxygen mask and breathing bag for oxygen mask

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] figure 1 It is an oxygen mask 1 applicable to aircraft passengers according to the prior art. The oxygen mask 1 comprises a breathing bag 2 made of PVC in which a stretch relief tether 3 is provided for reinforcement purposes. An oxygen inlet 4 is provided on the breathing bag 2 , at which a sealing gasket (not shown) welded to the breathing bag 2 is arranged and has a connection piece 5 for receiving a hose 6 . The hose 6 is also made of PVC. The flow display device 7 is inserted into the hose 6 , which interrupts the hose line, thus creating two further connection points or connections for the hose 6 . On the opposite side of the inlet 4 of the breathing bag 2 is an outlet 8 at which a sealing gasket (not shown) is likewise welded to the breathing bag 2 , which sealing gasket is fixed on the mask by means of a connecting element 9 . The connecting element 9 is located in the breathing bag 2 and presses the sealing gasket of the breathing bag 2 onto the predetermine...

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PUM

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Abstract

The invention relates to a passenger oxygen mask and a breathing bag for the oxygen mask. The passenger oxygen mask for the emergency oxygen in an aircraft is provided with a breathing bag, which is provided with a flexible tube for oxygen supply on the input side, the tube and the breathing bag are made of polyurethane. Furthermore, the invention relates to a breathing bag, wherein a flow indicator device is integrated in the connection piece.

Description

technical field [0001] The invention relates to a passenger oxygen mask and a breathing bag for the oxygen mask. Background technique [0002] In order to meet the oxygen needs of the passengers as well as the crew in the event of a sudden pressure drop in the aircraft, the aircraft is equipped with oxygen masks arranged in the ceiling of the cabin above each seat. Known oxygen masks in the prior art are constructed as follows: [0003] The counterlung is provided with an oxygen inlet where a sealing gasket, usually welded to the counterlung, has a so-called fitting or connection for receiving a hose. The hose is inserted and bonded to the fitting of the counterlung. Alternatively, in known oxygen masks, the hose connection is achieved by wrapping the hose end with the breathing bag and gluing the hose end to the component "hose collar". On the side of the breathing bag opposite the inlet there is an outlet, at which outlet a sealing gasket is welded to the breathing bag,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62B7/00B64D13/00
CPCA62B7/14A62B18/006A62B9/006A62B18/02A62B9/04B64D10/00B64D2231/025A62B7/12A62B18/08
Inventor 马克·S·安东尼詹-西奈克·斯彻尔
Owner BE AEROSPACE SYST
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