ZA823655B - Powered air-purifying respirators - Google Patents

Powered air-purifying respirators

Info

Publication number
ZA823655B
ZA823655B ZA823655A ZA823655A ZA823655B ZA 823655 B ZA823655 B ZA 823655B ZA 823655 A ZA823655 A ZA 823655A ZA 823655 A ZA823655 A ZA 823655A ZA 823655 B ZA823655 B ZA 823655B
Authority
ZA
South Africa
Prior art keywords
chamber
air
pump means
sensing
face mask
Prior art date
Application number
ZA823655A
Other languages
English (en)
Inventor
Joseph Raymond Hilton
Original Assignee
Racal Safety Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10522123&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA823655(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Racal Safety Ltd filed Critical Racal Safety Ltd
Publication of ZA823655B publication Critical patent/ZA823655B/xx

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
    • A62B18/006—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 with pumps for forced ventilation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0057—Pumps therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0057—Pumps therefor
    • A61M16/0066—Blowers or centrifugal pumps
    • A61M16/0069—Blowers or centrifugal pumps the speed thereof being controlled by respiratory parameters, e.g. by inhalation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/106—Filters in a path
    • A61M16/107—Filters in a path in the inspiratory path
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/10—Respiratory apparatus with filter elements

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Emergency Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
ZA823655A 1981-05-29 1982-05-26 Powered air-purifying respirators ZA823655B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8116424 1981-05-29

Publications (1)

Publication Number Publication Date
ZA823655B true ZA823655B (en) 1983-03-30

Family

ID=10522123

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA823655A ZA823655B (en) 1981-05-29 1982-05-26 Powered air-purifying respirators

Country Status (8)

Country Link
US (1) US4430995A (xx)
EP (1) EP0066451B1 (xx)
JP (1) JPS5829468A (xx)
AT (1) ATE14988T1 (xx)
AU (1) AU548392B2 (xx)
DE (1) DE3265597D1 (xx)
GB (1) GB2099709B (xx)
ZA (1) ZA823655B (xx)

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* Cited by examiner, † Cited by third party
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US6382208B2 (en) 1998-11-02 2002-05-07 Board Of Regents University Of Nebraska System for controlling the internal temperature of a respirator
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FR2826282B1 (fr) * 2001-06-22 2004-05-28 Taema Appareil respiratoire avec turbine a pression stabilisee, turbine et procede associes
JP3726886B2 (ja) * 2001-06-29 2005-12-14 興研株式会社 呼吸装置
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FR2838974B1 (fr) 2002-04-29 2004-07-30 Robert Schegerin Vetement de protection ventile et optimise pour la protection et le confort thermique
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US20040182394A1 (en) * 2003-03-21 2004-09-23 Alvey Jeffrey Arthur Powered air purifying respirator system and self contained breathing apparatus
US7647927B2 (en) * 2003-08-22 2010-01-19 Wilcox Industries Corp. Self-contained breathing system
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US20050217672A1 (en) * 2004-04-05 2005-10-06 Staffan Bengtsson Combined gas flow generator & control valve housing in a ventilator
US8479727B2 (en) * 2004-05-04 2013-07-09 The United States Of America As Represented By The Secretary Of The Army Enhanced chemical/biological respiratory protection system
US7195014B2 (en) * 2005-03-22 2007-03-27 Hoffman Laboratories, Llc Portable continuous positive airway pressure system
US7832396B2 (en) * 2005-06-10 2010-11-16 Radium Incorporated High air flow powered air purifying anti-contamination device
US20070163600A1 (en) * 2006-01-11 2007-07-19 Leslie Hoffman User interface and head gear for a continuous positive airway pressure device
BRPI0709500A2 (pt) 2006-04-10 2011-07-26 Aeiomed Inc aparelho para prover pressço positiva das vias aÉreas para o tratamento de apnÉia do sono, obstruÇço pulmonar crânica e ronco e mÉtodo para prover ar a uma pressço positiva para o tratamento de apnÉia do sono, obstruÇço pulmonar crânica e ronco
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JP5737827B2 (ja) 2008-01-31 2015-06-17 レスメド・リミテッドＲｅｓＭｅｄＬｉｍｉｔｅｄ 呼吸装置
WO2010080709A1 (en) * 2009-01-08 2010-07-15 Hancock Medical Self-contained, intermittent positive airway pressure systems and methods for treating sleep apnea, snoring, and other respiratory disorders
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US10238822B2 (en) 2009-05-29 2019-03-26 Resmed Limited PAP system
ES2767176T3 (es) * 2009-07-17 2020-06-16 CleanSpace IP Pty Ltd Respirador
US8973576B2 (en) 2009-11-19 2015-03-10 Resmed Motor Technologies Inc Blower
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US8757151B2 (en) * 2010-07-29 2014-06-24 Jsp Limited Headgear-mountable respirator
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US10782708B2 (en) * 2018-11-07 2020-09-22 International Business Machines Corporation Automatic shutoff continuous positive air pressure system
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MX2022001972A (es) 2019-08-20 2022-03-11 D Wheatley Entpr Inc Sistema modular e integrado de respiradores purificadores de aire motorizados.
CN111214770A (zh) * 2020-02-26 2020-06-02 揭业冰 一种电动正压空气滤净防护的呼吸系统及其方法
US20210299484A1 (en) * 2020-03-26 2021-09-30 Alexander Werjefelt Pathogen Protection Device
TR202009416A2 (tr) * 2020-06-17 2020-07-21 Maltepe Ueniversitesi Teknoloji Transfer Ofisi Anonim Sirketi Dezenfekte hava akişli koruma si̇perli̇kli̇ başlik
TWM604134U (zh) * 2020-06-17 2020-11-21 林永吉 空氣濾清防護裝置及防護衣
US11628318B1 (en) * 2020-07-20 2023-04-18 E.D. Bullard Company Blower assembly for a powered air-purifying respirator
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GB2032284B (en) * 1978-10-02 1982-11-10 Racal Safety Ltd Breathing apparatus
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DE3015759C2 (de) * 1980-04-24 1982-08-12 Drägerwerk AG, 2400 Lübeck Druckgas-Atemschutzgerät mit Überdruck in der Atemluft

Also Published As

Publication number Publication date
AU8421582A (en) 1982-12-02
EP0066451B1 (en) 1985-08-21
GB2099709B (en) 1984-08-15
JPS5829468A (ja) 1983-02-21
AU548392B2 (en) 1985-12-12
US4430995A (en) 1984-02-14
ATE14988T1 (de) 1985-09-15
EP0066451A1 (en) 1982-12-08
GB2099709A (en) 1982-12-15
DE3265597D1 (en) 1985-09-26

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