BREATHING APPARATUS Russian patent published in 2015 - IPC A61M16/00 

FIELD: personal use articles.

SUBSTANCE: breathing apparatus comprises a compressed gas source, a mask, an emergency oxygen delivery device comprising a housing with a seat, a supply valve sealingly mounted in the housing, a control valve mounted in the inlet valve, a lid, a membrane sealingly fixed between the housing and the lid, a rod connecting the membrane and the control valve. According to the invention the control valve and the rod are mounted with the ability of axial movement with the supply valve, at that the rod on one side is rigidly connected to the membrane, and on the other it is in contact with the control valve.

EFFECT: decrease in breathing resistance due to reducing the response time of the emergency oxygen delivery device to change of needs of the user in the gas flow at various modes of breathing, increased ease of use by providing automatic switching on, switching off the emergency oxygen delivery device during docking, undocking with the mask or automatic switching off the emergency oxygen delivery device during undocking with the mask and switching on the emergency oxygen delivery device with the first inhale after docking with the mask.

3 cl, 9 dwg