Oxygen supply system
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United States of America Patent
Stats
-
Oct 28, 1986
Issued Date -
N/A
app pub date -
Jul 19, 1984
filing date -
Nov 16, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An emergency oxygen system for use on aircraft in conjunction with an on-board primary oxygen supply system is designed to supply oxygen to aircraft personnel in the event that the on-board oxygen supply system fails. Additionally, if the aircraft personnel is forced to eject from the aircraft, the emergency oxygen system automatically activates to provide oxygen and simultaneously disengages all electrical connections from the aircraft frame. The system includes an emergency oxygen supply which is coupled to a differential pressure activated valve through an oxygen release valve, the oxygen release valve having the capability of being manually or automatically triggered. The on-board oxygen supply system is also coupled to the differential pressure activated valve and, depending upon the relative pressure between the on-board oxygen supply system and the emergency supply system, as sensed by the differential pressure activated valve, oxygen from one or the other is channeled from the differential pressure activated valve to a face mask or the like.
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