Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1975-02-26
1976-09-21
Michell, Robert W.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
1281424, 244118P, A62B 714
Patent
active
039813029
ABSTRACT:
There is disclosed an emergency breathing supply system which is suitable for use in cabin-pressured aircraft and which is operative upon failure of the cabin pressure. The emergency breathing supply system includes breathing facilities such as breathing face masks and the like stored within a container for retrieval therefrom, a lid attached to the container and secured thereon by a latch mechanism including a latch trigger that is responsive to a preselected value of ambient pressure to operate the latch and release the lid. The ambient pressure sensing device is preferably an aneroid barometer within a sealed housing having a vent port which is opened to the interior of the cabin. The latch mechanism of the container includes a pressure-responsive, latch triggering subassembly carried on an interior wall of the container and including the sealed housing that contains an aneroid barometer and that supports a hammer brcket; which carries a hammer that is pivotal and spring biased into an advanced position where the hammer displaces the latch plate of the latch mechanism to release the housing lid.
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Michell Robert W.
Recla Henry J.
Robertshaw Controls Company
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