FI874356A - Reglering av luftmaengden som matas in i en gasmask. - Google Patents

Reglering av luftmaengden som matas in i en gasmask. Download PDF

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Publication number
FI874356A
FI874356A FI874356A FI874356A FI874356A FI 874356 A FI874356 A FI 874356A FI 874356 A FI874356 A FI 874356A FI 874356 A FI874356 A FI 874356A FI 874356 A FI874356 A FI 874356A
Authority
FI
Finland
Prior art keywords
luftmaengden
gasmask
reglering
matas
som
Prior art date
Application number
FI874356A
Other languages
English (en)
Other versions
FI80606B (fi
FI874356A0 (fi
FI80606C (fi
Inventor
Jorma Ponkala
Original Assignee
Kemira Oy
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
Application filed by Kemira Oy filed Critical Kemira Oy
Publication of FI874356A0 publication Critical patent/FI874356A0/fi
Priority to FI874356A priority Critical patent/FI80606C/fi
Priority to GB8904512A priority patent/GB2228418B/en
Priority to SE8900699A priority patent/SE465854B/sv
Priority to AU30964/89A priority patent/AU610699B2/en
Priority to FR8903048A priority patent/FR2644254B1/fr
Priority to US07/331,500 priority patent/US4905687A/en
Priority to CH1215/89A priority patent/CH679642A5/de
Priority to NL8900829A priority patent/NL193899C/nl
Publication of FI874356A publication Critical patent/FI874356A/fi
Publication of FI80606B publication Critical patent/FI80606B/fi
Application granted granted Critical
Publication of FI80606C publication Critical patent/FI80606C/fi

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00Control of flow
    • G05D7/06Control of flow characterised by the use of electric means
    • G05D7/0617Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0676Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on flow sources
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0057Pumps therefor
    • A61M16/0066Blowers or centrifugal pumps
    • A61M16/0069Blowers or centrifugal pumps the speed thereof being controlled by respiratory parameters, e.g. by inhalation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/021Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
    • A61M16/022Control means therefor
    • A61M16/024Control means therefor including calculation means, e.g. using a processor
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing 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
    • A62B18/006Breathing 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/105Filters
    • A61M16/106Filters in a path
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/70General characteristics of the apparatus with testing or calibration facilities
    • A61M2205/707Testing of filters for clogging

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Emergency Medicine (AREA)
  • Anesthesiology (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
FI874356A 1987-10-05 1987-10-05 Foerfarande foer reglering av luftmaongden som matas in i en gasmask samt en gasmask som genomfoer denna foerfarande. FI80606C (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI874356A FI80606C (fi) 1987-10-05 1987-10-05 Foerfarande foer reglering av luftmaongden som matas in i en gasmask samt en gasmask som genomfoer denna foerfarande.
GB8904512A GB2228418B (en) 1987-10-05 1989-02-28 A method for regulating the amount of air supplied to a gas mask and a gas mask, in which this method is implemented
SE8900699A SE465854B (sv) 1987-10-05 1989-03-01 Saett att reglera lufttillfoerseln till en gasmask och gasmask foer genomfoerande av saettet
AU30964/89A AU610699B2 (en) 1987-10-05 1989-03-03 A method for regulating the amount of air supplied to gas mask and a gas mask, in which this method is implemented
FR8903048A FR2644254B1 (fr) 1987-10-05 1989-03-08 Procede de regulation de la quantite d'air delivree a un masque a gaz et masque a gaz mettant en oeuvre ce procede
US07/331,500 US4905687A (en) 1987-10-05 1989-03-31 Method and apparatus for regulating air supplied to a gas mask
CH1215/89A CH679642A5 (fi) 1987-10-05 1989-04-03
NL8900829A NL193899C (nl) 1987-10-05 1989-04-04 Ademhalingsbedekking, zoals een gasmasker.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI874356A FI80606C (fi) 1987-10-05 1987-10-05 Foerfarande foer reglering av luftmaongden som matas in i en gasmask samt en gasmask som genomfoer denna foerfarande.
FI874356 1987-10-05

Publications (4)

Publication Number Publication Date
FI874356A0 FI874356A0 (fi) 1987-10-05
FI874356A true FI874356A (fi) 1989-04-06
FI80606B FI80606B (fi) 1990-03-30
FI80606C FI80606C (fi) 1990-07-10

Family

ID=8525175

Family Applications (1)

Application Number Title Priority Date Filing Date
FI874356A FI80606C (fi) 1987-10-05 1987-10-05 Foerfarande foer reglering av luftmaongden som matas in i en gasmask samt en gasmask som genomfoer denna foerfarande.

Country Status (8)

Country Link
US (1) US4905687A (fi)
AU (1) AU610699B2 (fi)
CH (1) CH679642A5 (fi)
FI (1) FI80606C (fi)
FR (1) FR2644254B1 (fi)
GB (1) GB2228418B (fi)
NL (1) NL193899C (fi)
SE (1) SE465854B (fi)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5239995A (en) * 1989-09-22 1993-08-31 Respironics, Inc. Sleep apnea treatment apparatus
CA2038971C (en) * 1990-03-30 1996-06-18 Magdy Younes Lung ventilator device
FR2674133B1 (fr) * 1991-03-21 1993-06-11 Taema Installation de fourniture de surpression de gaz respiratoire et procede de commande d'une telle installation.
GB9112618D0 (en) * 1991-06-12 1991-07-31 Racal Safety Ltd Dc motor control
FR2682042B1 (fr) * 1991-10-04 1998-04-30 Masson Yves Le Dispositif de ventilation des voies respiratoires en air pulse et filtre et ses applications.
US6629527B1 (en) 1991-10-17 2003-10-07 Respironics, Inc. Sleep apnea treatment apparatus
US7013892B2 (en) 1991-11-01 2006-03-21 Ric Investments, Llc Sleep apnea treatment apparatus
US5222491A (en) * 1992-05-29 1993-06-29 Thomas Samuel D Temporary patient ventilator
DE4307754A1 (de) * 1992-07-23 1994-04-07 Johannes Dipl Ing Geisen System und Verfahren zum kontrollierten Zuführen oder Abführen von Atemluft
FR2705899A1 (fr) * 1993-06-01 1994-12-09 Schegerin Robert Equipement de protection physiologique contre les produits toxiques comprenant un système de ventilation optimisé.
EP0661071B1 (en) * 1993-12-01 2000-02-02 Resmed Limited Device for continuous positive airway pressure breathing (CPAP)
AU697652B2 (en) * 1993-12-01 1998-10-15 Resmed Limited Automated stop/start control in the administration of CPAP treatment
AU691528B2 (en) * 1993-12-03 1998-05-21 Resmed Limited Estimation of flow and detection of breathing in CPAP treatment
AUPM279393A0 (en) * 1993-12-03 1994-01-06 Rescare Limited Estimation of flow and detection of breathing in cpap treatment
FI100307B (fi) * 1994-02-25 1997-11-14 Kemira Safety Oy Menetelmä kaasunaamariin syötetyn ilmamäärän säätämiseksi sekä kaasuna amari
US5906203A (en) * 1994-08-01 1999-05-25 Safety Equipment Sweden Ab Breathing apparatus
US5632270A (en) * 1994-09-12 1997-05-27 Puritan-Bennett Corporation Method and apparatus for control of lung ventilator exhalation circuit
FR2767466B1 (fr) * 1997-08-25 1999-10-15 Taema Procede pour determiner l'image du flux respiratoire nasal et/ou buccal d'un utilisateur
GB2338655B (en) * 1998-06-26 2003-02-05 Centurion Safety Products Ltd Powered respiratory apparatus
US6257235B1 (en) 1999-05-28 2001-07-10 Kimberly-Clark Worldwide, Inc. Face mask with fan attachment
FR2794635B1 (fr) * 1999-06-14 2001-08-03 Taema Appareil de diagnostic ou de traitement des troubles respiratoires du sommeil et procede de fonctionnement
GB2352890B (en) * 1999-07-31 2001-06-20 Huntleigh Technology Plc Compressor drive
DE10021581B4 (de) 2000-04-27 2005-01-13 Auergesellschaft Gmbh Volumensteuerung für Gebläsefiltergeräte
FI111606B (fi) * 2001-11-01 2003-08-29 Scott Health & Safety Oy Menetelmä ja laitteisto hengityssuojaimen ilmamäärän kalibroimiseksi
FR2838974B1 (fr) 2002-04-29 2004-07-30 Robert Schegerin Vetement de protection ventile et optimise pour la protection et le confort thermique
EP1605788B8 (en) * 2003-03-27 2011-03-02 Helmet Integrated Systems Limited Respirator
GB2399758A (en) * 2003-03-27 2004-09-29 Helmet Integrated Syst Ltd Respirator with means for controlling a fan in response to a measured flow rate
DE102004013453B4 (de) * 2004-03-11 2006-07-27 Msa Auer Gmbh Gebläsefiltergerät für Atemschutzhauben und -masken
US20080216833A1 (en) * 2007-03-07 2008-09-11 Pujol J Raymond Flow Sensing for Gas Delivery to a Patient
US20110114093A1 (en) * 2009-11-16 2011-05-19 Honeywell International Inc. Automatic fitment detection and flow calibration using non-contact sensing in powered air purifying respirators
US8260475B2 (en) 2009-11-19 2012-09-04 Hill-Rom Services, Inc. Constant low-flow air source control system and method
US8453646B2 (en) * 2009-12-22 2013-06-04 Honeywell International Inc. Sensor apparatus and method to regulate air flow in a powered air purifying respirator
US9192795B2 (en) 2011-10-07 2015-11-24 Honeywell International Inc. System and method of calibration in a powered air purifying respirator
US9808656B2 (en) 2012-01-09 2017-11-07 Honeywell International Inc. System and method of oxygen deficiency warning in a powered air purifying respirator
WO2017180391A1 (en) 2016-04-12 2017-10-19 3M Innovative Properties Company Method of controlling a powered air purifying respirator
EP4389231A1 (en) * 2022-12-22 2024-06-26 Koninklijke Philips N.V. Fan system and method for determining type of mask

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3414896A (en) * 1965-01-05 1968-12-03 Monitor Instr Company Respiratory monitor
DE3168427D1 (de) * 1980-03-17 1985-03-07 Normalair Garrett Ltd Flueric partial pressure sensor
US4484578A (en) * 1980-11-26 1984-11-27 Kircaldie, Randall And Mcnab Respirator apparatus and method
US4430995A (en) * 1981-05-29 1984-02-14 Hilton Joseph R Power assisted air-purifying respirators
AU554194B2 (en) * 1982-05-13 1986-08-14 Minnesota Mining And Manufacturing Company Respirator
US4502480A (en) * 1983-02-24 1985-03-05 Yamamoto Kogaku Co., Ltd. Helmet equipped with device for supplying atmospheric air
US4676236A (en) * 1983-09-09 1987-06-30 Gentex Corporation Helmet airflow system
AU576009B2 (en) * 1984-09-12 1988-08-11 Protector Safety Limited Fan motor monitoring circuit
US4646732A (en) * 1985-08-26 1987-03-03 Chien Chao Huei Circulative respiratory mask
GB2195037B (en) * 1986-07-15 1990-06-06 Martindale Protection Limited Electric motor drive

Also Published As

Publication number Publication date
SE465854B (sv) 1991-11-11
NL193899B (nl) 2000-10-02
FR2644254A1 (fr) 1990-09-14
GB2228418B (en) 1992-10-21
FI80606B (fi) 1990-03-30
SE8900699D0 (sv) 1989-03-01
FI874356A0 (fi) 1987-10-05
AU3096489A (en) 1990-09-13
GB8904512D0 (en) 1989-04-12
AU610699B2 (en) 1991-05-23
GB2228418A (en) 1990-08-29
FR2644254B1 (fr) 1993-10-22
SE8900699L (sv) 1990-09-02
NL193899C (nl) 2001-02-05
US4905687A (en) 1990-03-06
FI80606C (fi) 1990-07-10
CH679642A5 (fi) 1992-03-31
NL8900829A (nl) 1990-11-01

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Legal Events

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MM Patent lapsed

Owner name: KEMIRA OY