GB1051054A - - Google Patents

Info

Publication number
GB1051054A
GB1051054A GB1051054DA GB1051054A GB 1051054 A GB1051054 A GB 1051054A GB 1051054D A GB1051054D A GB 1051054DA GB 1051054 A GB1051054 A GB 1051054A
Authority
GB
United Kingdom
Prior art keywords
heat exchanger
filter
air
mouthpiece
july
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Publication date
Publication of GB1051054A publication Critical patent/GB1051054A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B19/00—Cartridges with absorbing substances for respiratory apparatus
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B19/00—Cartridges with absorbing substances for respiratory apparatus
    • A62B19/02—Cartridges with absorbing substances for respiratory apparatus with oxidising agents

Abstract

1,051,054. Breathing apparatus. AUERGESELLSHAFT. G.m.b.H. July 13, 1964 [July 13, 1963], No. 28876/64. Heading AST. Breathing apparatus for use in atmospheres containing carbon monoxide comprises a filter 1 filled with a catalyst for the conversion of carbon monoxide to carbon dioxide, a heat exchanger or cooler 3 for cooling the air to be inspired, which air has been heated by the oxidation reaction mouthpiece 2 with inspiration valve, and exhalation valve 6. The expired air cools the heat exchanger 3 in passing therethrough. The heat exchanger may comprise wire meshes, metal sheets, tubes 4, metal shavings or metal wool. The heat exchanger may be removably placed between filter 1 and mouthpiece 2 or around the filter 1. The filter casing and the expiration valve casing may be provided with cooling ribs and/or black surfaces.
GB1051054D Expired GB1051054A (en)

Publications (1)

Publication Number Publication Date
GB1051054A true GB1051054A (en) 1900-01-01

Family

ID=1756157

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1051054D Expired GB1051054A (en)

Country Status (1)

Country Link
GB (1) GB1051054A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2116434A (en) * 1982-02-23 1983-09-28 Engstrom Medical Ab A device for connecting a respirator or anesthesia machine to a patient
US4635629A (en) * 1982-03-26 1987-01-13 Coal Industry (Patents) Limited Breathing apparatus
FR2696101A1 (en) * 1992-09-24 1994-04-01 Auergesellschaft Gmbh Cartridge containing a chemical for breathing apparatus.
WO1995007115A1 (en) * 1993-09-08 1995-03-16 Coal Industry (Patents) Limited Improvements in or relating to respiratory protective equipment
EP0818217A1 (en) * 1996-07-11 1998-01-14 Commeinhes Remco Closed circuit breathing apparatus
WO2011089445A1 (en) * 2010-01-22 2011-07-28 William Duncan Wood Compact respiratory protective device
US8544469B2 (en) 2007-09-26 2013-10-01 Robin Middlemass Howie Low profile filter respirator

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2116434A (en) * 1982-02-23 1983-09-28 Engstrom Medical Ab A device for connecting a respirator or anesthesia machine to a patient
US4516573A (en) * 1982-02-23 1985-05-14 Gambro Engstrom Ab Device for connecting a respirator or anesthesia machine to a patient
US4635629A (en) * 1982-03-26 1987-01-13 Coal Industry (Patents) Limited Breathing apparatus
FR2696101A1 (en) * 1992-09-24 1994-04-01 Auergesellschaft Gmbh Cartridge containing a chemical for breathing apparatus.
WO1995007115A1 (en) * 1993-09-08 1995-03-16 Coal Industry (Patents) Limited Improvements in or relating to respiratory protective equipment
EP0818217A1 (en) * 1996-07-11 1998-01-14 Commeinhes Remco Closed circuit breathing apparatus
FR2750869A1 (en) * 1996-07-11 1998-01-16 Commeinhes Remco BREATHING APPARATUS WITH CLOSED CIRCUIT OPERATION
US8544469B2 (en) 2007-09-26 2013-10-01 Robin Middlemass Howie Low profile filter respirator
WO2011089445A1 (en) * 2010-01-22 2011-07-28 William Duncan Wood Compact respiratory protective device

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