REGENERATIVE RESPIRATOR WITH CHEMICALLY BOUND OXYGEN Russian patent published in 1996 - IPC

FIELD: individual human respiratory organ protective means, may be used in mining, oil producing, chemical and other branches of industry. SUBSTANCE: respirator has snapsack 1, regenerative cartridge 2, breath sack 3, breathing out sack 4, face part 7. Cartridge carries disk 13 with two double-armed levers formed as U-shaped frames and plates fixed on levers. Plates are engageable with sacks. Extension springs are fixed to free ends of levers. Disk 13 is attached to breathing out branch pipe in spaced relation to cartridge 2. Perforation 21 and shield 22 are positioned forwardly of space in snapsack 1. EFFECT: improved operational characteristics by increased protective efficiency of respirator and reduced temperature of snapsack. 6 dwg