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Oxygen supply circulating device for flight crew member

A technology for aircrew, breathing apparatus, used in respiratory protection, aircraft parts, transportation and packaging, etc., can solve the problems of discarded regulators, operators unable to adjust valves or diaphragm springs, etc.

Inactive Publication Date: 2012-06-27
ZODIAC AEROTECHNICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If a lung regulator fails one of these tests and the operator cannot adjust the valve or diaphragm spring, the regulator will be discarded

Method used

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  • Oxygen supply circulating device for flight crew member
  • Oxygen supply circulating device for flight crew member
  • Oxygen supply circulating device for flight crew member

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] The pressure reducing device, both as a pressure regulator for delivering the regulated low pressure and as a pressure fluctuation limiter, can take the form of a pressure reducing device. It may be located at various locations along the supply line (or supply lines) of the aircraft between the central system and the crew masks. Four main locations can be identified.

[0041] like figure 1 The first position 601 shown corresponds to a pressure relief device disposed directly at the inlet of the lung regulator of the mask 610 . This pressure relief device is small in size and light in weight, which makes it ideally suited for placement in the first location 601 . The device may be of cylindrical shape suitable for fitting to the inlet of a lung regulator.

[0042] When a storage box 615 connected to the oxygen supply line is available for the mask 610, a convenient second location 602 is along the supply line between the storage box and the lung regulator. A pressure...

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PUM

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Abstract

The invention relates to a breathing apparatus for an aircraft crew member, said apparatus comprising at least one breathing mask (620) provided with a demand regulator (810), said demand regulator being linked through a feed line to a central source of oxygen enriched air (600), so that oxygen enriched air is supplied to said breathing mask, and pressure regulating means (601,602,603, 604) provided on said feed line between said central source and said demand regulator and adapted, to level the pressure fluctuations of said oxygen enriched air supplied to said breathing mask.

Description

technical field [0001] The present invention relates to a breathing apparatus for supplying oxygen to aircrew, and more particularly to a breathing apparatus comprising a mask with a lung regulator. Background technique [0002] Lung regulators are necessary to deliver oxygen or oxygen-enriched air to flight attendants through their masks when an emergency situation occurs, such as pressure drop at high altitude and / or smoke in the cockpit. This device can also be used as a preventive measure. A major but non-limiting application is in large passenger aircraft capable of reaching high altitudes, also known as high-capacity "jumbo jets" or "jumbo jets". [0003] Currently, every airliner pilot is equipped with a breathing apparatus consisting of a mask fitted with a lung regulator connected to a source of breathing gas. Aviation regulations require that the mask be able to be placed in place and provide oxygen to its wearer within 5 seconds. Usually, this effect is achieve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A62B7/14A62B9/02B64D13/04
CPCA62B9/022A62B7/14B64D10/00G05D16/0663G05D16/103G05D16/107
Inventor 塞芙琳娜·奥博内安德鲁·R·T·塔塔雷克-格茵欧特
Owner ZODIAC AEROTECHNICS
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