AIR REGENERATION CARTRIDGE Russian patent published in 2007 - IPC A62B19/02 A62B7/08 

FIELD: cartridges with absorbing substances based on alkali and/or earth metal superoxide for respiratory apparatus.

SUBSTANCE: cartridge comprises body filled with regenerative agent. Air channels divided into sections are arranged in regenerative agent. The air channel sections are alternately transversal and parallel to side surface of cartridge body. The air channels are made as parallel perforated semi-cylinders spaced predetermined distance apart and fastened to flat perforated base. Outlets of semi-cylinders forming air channels transversal to side surface of cartridge body face gas flow. Semi-cylinders forming air channels parallel to side surface of cartridge body face side surface of the body.

EFFECT: increased degree of air regeneration, extended cartridge protective time along with maintaining operational stability thereof.

6 cl, 6 dwg, 1 tbl