EP2570156A3 - Directional valve and respirator mask with a directional valve - Google Patents
Directional valve and respirator mask with a directional valve Download PDFInfo
- 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
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. 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).
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)
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)
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)
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 |
-
2011
- 2011-09-17 DE DE102011113716.9A patent/DE102011113716B4/en active Active
-
2012
- 2012-02-24 EP EP12156933.9A patent/EP2570156B1/en active Active
- 2012-05-09 US US13/467,516 patent/US9808657B2/en active Active
- 2012-09-17 CN CN201210343092.4A patent/CN102989093B/en active Active
Patent Citations (3)
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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