GB2478027B - Unidirectional valve for a respiratory product - Google Patents

Unidirectional valve for a respiratory product

Info

Publication number
GB2478027B
GB2478027B GB1022015.0A GB201022015A GB2478027B GB 2478027 B GB2478027 B GB 2478027B GB 201022015 A GB201022015 A GB 201022015A GB 2478027 B GB2478027 B GB 2478027B
Authority
GB
United Kingdom
Prior art keywords
unidirectional valve
respiratory product
respiratory
product
unidirectional
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.)
Active
Application number
GB1022015.0A
Other versions
GB201022015D0 (en
GB2478027A (en
Inventor
Jurgen Unger
Alexander Heimann
Jom Hirschbiegel
Jorg Polzien
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.)
Dra Ger Safety AG & Co Kgaa
Original Assignee
Dra Ger Safety AG & 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
Priority claimed from DE102010008923A external-priority patent/DE102010008923B4/en
Application filed by Dra Ger Safety AG & Co Kgaa filed Critical Dra Ger Safety AG & Co Kgaa
Priority to GB1022015.0A priority Critical patent/GB2478027B/en
Publication of GB201022015D0 publication Critical patent/GB201022015D0/en
Publication of GB2478027A publication Critical patent/GB2478027A/en
Application granted granted Critical
Publication of GB2478027B publication Critical patent/GB2478027B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/031—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member the hinge being flexible
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
GB1022015.0A 2010-02-23 2010-12-27 Unidirectional valve for a respiratory product Active GB2478027B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1022015.0A GB2478027B (en) 2010-02-23 2010-12-27 Unidirectional valve for a respiratory product

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010008923A DE102010008923B4 (en) 2010-02-23 2010-02-23 Directional valve for a respiratory protection product
GB1022015.0A GB2478027B (en) 2010-02-23 2010-12-27 Unidirectional valve for a respiratory product

Publications (3)

Publication Number Publication Date
GB201022015D0 GB201022015D0 (en) 2011-02-02
GB2478027A GB2478027A (en) 2011-08-24
GB2478027B true GB2478027B (en) 2012-06-06

Family

ID=43599038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1022015.0A Active GB2478027B (en) 2010-02-23 2010-12-27 Unidirectional valve for a respiratory product

Country Status (1)

Country Link
GB (1) GB2478027B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105822799A (en) * 2015-01-04 2016-08-03 北京北广科技股份有限公司 Fluid reverse flow stop device
EP3954420A1 (en) * 2016-07-25 2022-02-16 ResMed Pty Ltd Respiratory pressure therapy system
CN107062769A (en) * 2017-03-31 2017-08-18 青岛海尔股份有限公司 Wind cooling refrigerator
IT201800001827A1 (en) * 2018-01-25 2019-07-25 Mares Spa Diaphragm valve and a method for its realization
US20210353980A1 (en) * 2018-05-02 2021-11-18 Innosparks Pte Ltd Multi-flap valve for a respiratory device
JP2024522296A (en) * 2021-06-04 2024-06-13 コーニンクレッカ フィリップス エヌ ヴェ Respiratory protection masks and check valves for such masks

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2052018A (en) * 1979-06-21 1981-01-21 Chubb Panorama Non-return Valves
US4470412A (en) * 1982-03-19 1984-09-11 Trutek Research, Inc. Inhalation valve
DE19823704A1 (en) * 1998-05-27 1999-12-16 Asf Thomas Ind Gmbh Valve fitting especially used in pump for gas or liquid
US20060169329A1 (en) * 2005-01-28 2006-08-03 Camis Theodore G Jr Check valve with low shut off sound

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2052018A (en) * 1979-06-21 1981-01-21 Chubb Panorama Non-return Valves
US4470412A (en) * 1982-03-19 1984-09-11 Trutek Research, Inc. Inhalation valve
DE19823704A1 (en) * 1998-05-27 1999-12-16 Asf Thomas Ind Gmbh Valve fitting especially used in pump for gas or liquid
US20060169329A1 (en) * 2005-01-28 2006-08-03 Camis Theodore G Jr Check valve with low shut off sound

Also Published As

Publication number Publication date
GB201022015D0 (en) 2011-02-02
GB2478027A (en) 2011-08-24

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