VALVE MECHANISM FOR DIVER EQUIPMENT (VERSIONS) Russian patent published in 2009 - IPC B63C11/06 A62B18/10 

FIELD: underwater jobs.

SUBSTANCE: invention relates to underwater jobs, particularly to diver equipment, namely, to diver helmets and full face masks. In compliance with first version, proposed mechanism comprises tubular element with side orifices, connected with breathing mask, flexible valve arranged on tubular element end. Flexible valve serves to tightly stop side orifices on the side fn tubular element inner space under normal conditions, and to open them to let fluid medium pass in emergency. Excess water accumulated in diver equipment pours out from open side orifices. In compliance with second version, valve mechanism comprises circular element with inner orifices arranged along circumference and between breathing mask and breathing regulator, and flexible valve to tightly stop side orifices on the side fn tubular element inner space under normal conditions, and to open them to let fluid medium pass in emergency. Excess water accumulated in diver equipment pours out from open side orifices.

EFFECT: reduced air consumption and maintenance of minimum level of carbon dioxide.

39 cl, 13 dwg