RESPIRATORY SYSTEM Russian patent published in 1998 - IPC

FIELD: rescue service. SUBSTANCE: system body is made of two layers of insulating fabric with space between them. Submask and sealing cape are arranged inside hook. Regenerative canister is provided with layer of regenerative product, layer of absorber, changeable chemical oxygen generator, two internal and external nets positioned with clearance relative to each other. External nets pass air to respiratory organs. Layer of regenerative product and layer of absorber are arranged between nets. Changeable chemical oxygen generator is located between internal nets. System construction makes it possible to improve respiration process physiology at exhaled air regeneration. EFFECT: multiple starting of regenerative canister, regenerative product saving. 1 dwg, 1 tbl