FILTERING PORTABLE SELF-RESCUER

FILTERING PORTABLE SELF-RESCUER

individual respiratory organ protecting facilities. SUBSTANCE: filtering portable self-rescuer has veil, cartridge containing anti-aerosol filter, dessicant and hopcalite layers successively arranged in air flow direction, and inhalation and expiration valve system. Volume ratio of dessicant and hop...

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Hauptverfasser: KRAVCHENKOV A.Z, VOLOSEVICH B.A, KAMENER E.A, RABATUEV G.A, MARTYNOV O.P, DVORETSKIJ G.V, DIMKOVICH N.T, AFANAS'EVA T.S, CHEBYKIN V.V
Format: Patent
Sprache:eng
Schlagworte:
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
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creator KRAVCHENKOV A.Z
VOLOSEVICH B.A
KAMENER E.A
RABATUEV G.A
MARTYNOV O.P
DVORETSKIJ G.V
DIMKOVICH N.T
AFANAS'EVA T.S
CHEBYKIN V.V
description individual respiratory organ protecting facilities. SUBSTANCE: filtering portable self-rescuer has veil, cartridge containing anti-aerosol filter, dessicant and hopcalite layers successively arranged in air flow direction, and inhalation and expiration valve system. Volume ratio of dessicant and hopcalite layers is 1: (4-5), and area ratio of effective section of valve seat and cartridge section is 0.09-0.11. Filtering device possesses low breathing resistance and may be used in emergency situations for providing safe evacuation of people during fires in hotels, offices, multistory apartment buildings. EFFECT: increased efficiency, simplified construction and convenient usage. 1 dwg, 4 tbl
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subjects DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
title FILTERING PORTABLE SELF-RESCUER
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