EP2570156A3 - Directional valve and respirator mask with a directional valve - Google Patents

Directional valve and respirator mask with a directional valve Download PDF

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Publication number
EP2570156A3
EP2570156A3 EP12156933.9A EP12156933A EP2570156A3 EP 2570156 A3 EP2570156 A3 EP 2570156A3 EP 12156933 A EP12156933 A EP 12156933A EP 2570156 A3 EP2570156 A3 EP 2570156A3
Authority
EP
European Patent Office
Prior art keywords
directional valve
valve
respirator mask
membrane
directional
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.)
Granted
Application number
EP12156933.9A
Other languages
German (de)
French (fr)
Other versions
EP2570156A2 (en
EP2570156B1 (en
Inventor
Michael Rosert
Dennis Leske
Harald Heyer
Thomas Pancur
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Draeger Safety AG and Co KGaA
Original Assignee
Draeger Safety AG and Co KGaA
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 Draeger Safety AG and Co KGaA filed Critical Draeger Safety AG and Co KGaA
Publication of EP2570156A2 publication Critical patent/EP2570156A2/en
Publication of EP2570156A3 publication Critical patent/EP2570156A3/en
Application granted granted Critical
Publication of EP2570156B1 publication Critical patent/EP2570156B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/10—Valves

Abstract

Ein Richtungsventil soll hinsichtlich seiner funktionellen Eigenschaften verbessert werden. Hierzu ist eine außermittig zur Ventilmembran (16) angeordneten Fixierungsnase (13) vorgesehen, die am Ventilgehäuse (15) angeordnet ist und deren Abmessungen zur Fixierung der Ventilmembran (16) gegenüber der Dichtungsfläche (2) des Ventilsitzes (1) ausgebildet sind, wobei das Maß des außermittigen Versatzes (x) in einem Bereich zwischen 8% und 15% der Achsenlänge (D) der größten Längserstreckung der Ventilmembran (16) liegt.

Figure imgaf001
A directional valve should be improved in terms of its functional properties. For this purpose, an off-center to the valve diaphragm (16) arranged Fixierungsnase (13) is provided, which is arranged on the valve housing (15) and whose dimensions for fixing the valve membrane (16) relative to the sealing surface (2) of the valve seat (1) are formed, wherein the Dimension of the eccentric offset (x) lies in a range between 8% and 15% of the axial length (D) of the greatest longitudinal extension of the valve membrane (16).
Figure imgaf001
EP12156933.9A 2011-09-17 2012-02-24 Directional valve and respirator mask with a directional valve Active EP2570156B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011113716.9A DE102011113716B4 (en) 2011-09-17 2011-09-17 Directional valve and respirator with a directional valve

Publications (3)

Publication Number Publication Date
EP2570156A2 EP2570156A2 (en) 2013-03-20
EP2570156A3 true EP2570156A3 (en) 2015-08-05
EP2570156B1 EP2570156B1 (en) 2018-07-11

Family

ID=45656700

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12156933.9A Active EP2570156B1 (en) 2011-09-17 2012-02-24 Directional valve and respirator mask with a directional valve

Country Status (4)

Country Link
US (1) US9808657B2 (en)
EP (1) EP2570156B1 (en)
CN (1) CN102989093B (en)
DE (1) DE102011113716B4 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012018277B4 (en) 2012-09-14 2020-08-06 Dräger Safety AG & Co. KGaA Directional valve and respirator with one directional valve
PE20160639A1 (en) 2013-11-15 2016-07-09 3M Innovative Properties Co RESPIRATOR HAVING NON-CIRCULAR CENTROID-MOUNTED EXHALATION VALVE
AU358644S (en) * 2014-05-08 2014-11-10 Innosparks Pte Ltd Unidirectional valve on face mask
DE102022113700A1 (en) 2022-05-31 2023-11-30 Dräger Safety AG & Co. KGaA Valve arrangement for a respiratory mask

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6047698A (en) * 1998-08-20 2000-04-11 Moldex-Metric, Inc. Unidirectional fluid valve
EP1445521A1 (en) * 2003-02-04 2004-08-11 SCUBAPRO EUROPE S.r.l. Membrane valve and second pressure reducing stage for two-stage regulators for underwater use provided with said valve
US20040261795A1 (en) * 2002-08-28 2004-12-30 Brunell Robert A. Respirator mask and valve

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2225395A (en) * 1940-06-26 1940-12-17 Acushnett Process Company Exhalation valve for gas masks
US3602219A (en) * 1969-03-05 1971-08-31 Draegerwerk Ag Respirator having sound diaphragm protective cavity
US3990439A (en) * 1974-12-05 1976-11-09 Esb Incorporated Protective breathing apparatus and valve therefor
SE455763B (en) * 1986-07-03 1988-08-08 Horda Gummifabrik Ab VALVE DEVICE SPECIFICALLY AS EXPOSURE / OR INHALING VALVE FOR PROTECTIVE MASKS
DE4017336C1 (en) 1990-05-30 1991-06-13 Draegerwerk Ag, 2400 Luebeck, De
US7559326B2 (en) * 2003-06-18 2009-07-14 Resmed Limited Vent and/or diverter assembly for use in breathing apparatus
US20080178884A1 (en) * 2007-01-25 2008-07-31 Gerson Ronald L Fluid Valve with Center Post

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6047698A (en) * 1998-08-20 2000-04-11 Moldex-Metric, Inc. Unidirectional fluid valve
US20040261795A1 (en) * 2002-08-28 2004-12-30 Brunell Robert A. Respirator mask and valve
EP1445521A1 (en) * 2003-02-04 2004-08-11 SCUBAPRO EUROPE S.r.l. Membrane valve and second pressure reducing stage for two-stage regulators for underwater use provided with said valve

Also Published As

Publication number Publication date
CN102989093A (en) 2013-03-27
EP2570156A2 (en) 2013-03-20
US9808657B2 (en) 2017-11-07
EP2570156B1 (en) 2018-07-11
DE102011113716A1 (en) 2013-03-21
DE102011113716B4 (en) 2016-08-11
CN102989093B (en) 2015-06-17
US20130068232A1 (en) 2013-03-21

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