PILOT'S OXYGEN MASK Russian patent published in 2010 - IPC A62B18/02 A62B7/14 

FIELD: medicine.

SUBSTANCE: invention refers to oxygen equipment of an air crewman. An oxygen mask comprises headband pneumatic belts, an air-feed mechanism, a face part including a rigid frame wherein an obturator is built-in. In the obturator, at the perimetre of the face and mask fit, there are air-feed chambers attached to a delivery pipe of the pneumatic belts and enabling the face and mask fit in multidirectional overloads. Each chamber is provided with an oxygen supply duct, an oxygen discharge duct and feedforward and feedback control channels connected to a chamber pressure control unit. It is also provided with microsensors located on a surface of the chamber that adjoins the face to control the face and mask fit degree and air-feed degree, and supplied with an output to a multiplex communication channel.

EFFECT: there are provided tight fit of the oxygen mask to the pilot's face in multidirectional overloads and improved comfort for the pilot in continuous service of the oxygen mask.

2 cl, 2 dwg