Chemical cartridge for respirators

Details Chemical cartridge for respirators Chemical cartridge for respirators

1992-08-12

1993-12-07

Burr, Edgar S.

Surgery

Respiratory method or device

Gas produced by electrolysis or chemical reaction

12820512, A61M 1500

Patent

active

052675580

ABSTRACT:
A chemical cartridge for respirators for respirators, the cartridge containing a chemical, e.g., potassium hyperoxide, which when acted upon by carbon dioxide and moisture, produces oxygen from a stream of inhaled air. Two discharge nozzles are provided which project into the chemical and out of which the regenerated exhaled air flows. The incoming flow occurs over a large area and the outflow occurs over a small area with the peripheral surfaces of the discharge nozzles being spaced substantially equidistant from an inlet surface of the chemical, thereby ensuring optimum use of the chemical for oxygen production purposes because a user's exhaled air is caused to flow completely through the entire space occupied by the chemical.

REFERENCES:
patent: 2106393 (1938-01-01), Hausmann
patent: 3794030 (1974-02-01), Cotabish et al.
patent: 4086923 (1978-05-01), Henkin
patent: 4277443 (1981-07-01), Van der Smissen et al.

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