RESPIRATORY ORGANS PROTECTION METHOD Russian patent published in 2005 - IPC

FIELD: equipment for protection respiratory organs against harmful effects, particularly for individual protection in crowds.

SUBSTANCE: method for protection of respiratory organs against air-borne infections, for instance causing respiratory diseases, involves directing sterile respiratory gas flow tangentially to imaginary surface defined by nose tip, chin and jaws in area of respiratory organs. Transversal dimension of flow section is not less than above area dimension so that ambient air is prevented from entrance into the flow and ambient air is substituted with the gas flow directly in respiratory organs area in amount necessary to sustain breathing. To carry out above method compressed sterile breathing air source, gas flow control valve and means for gas delivery to respiratory organs, distribution and discharge thereof are used.

EFFECT: increased reliability of breathing apparatuses protection along with elimination of visible protective means on central user's face part.

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