WO2014123695A3 - Automatic switching device for a breathing apparatus with an alarm-relief function and automatic reset - Google Patents

Automatic switching device for a breathing apparatus with an alarm-relief function and automatic reset Download PDF

Info

Publication number
WO2014123695A3
WO2014123695A3 PCT/US2014/012684 US2014012684W WO2014123695A3 WO 2014123695 A3 WO2014123695 A3 WO 2014123695A3 US 2014012684 W US2014012684 W US 2014012684W WO 2014123695 A3 WO2014123695 A3 WO 2014123695A3
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
automatic
alarm
primary
source
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.)
Ceased
Application number
PCT/US2014/012684
Other languages
French (fr)
Other versions
WO2014123695A2 (en
Inventor
Jimmy ZHENG
Gilles Cordier
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.)
Honeywell International Inc
Original Assignee
Honeywell International Inc
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 Honeywell International Inc filed Critical Honeywell International Inc
Priority to EP14704955.5A priority Critical patent/EP2953688A2/en
Priority to CN201480008019.9A priority patent/CN104968397B/en
Priority to US14/766,688 priority patent/US10086219B2/en
Publication of WO2014123695A2 publication Critical patent/WO2014123695A2/en
Publication of WO2014123695A3 publication Critical patent/WO2014123695A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/02—Valves
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/006—Indicators or warning devices, e.g. of low pressure, contamination
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/02—Respiratory apparatus with compressed oxygen or air
    • 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. ventilators; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2564—Plural inflows
    • Y10T137/2567—Alternate or successive inflows
    • Y10T137/2569—Control by depletion of source

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

Apparatus and associated methods relate to an automatic fluid alarm that provides an fluid-communication path between a secondary fluid source and a whistle port when a primary fluid source experiences a reduction in pressure, the automatic fluid alarm being user resettable by disconnecting the primary fluid source or otherwise reducing the primary source pressure and activating a reset member, thereby interrupting the fluid-communication path. In some examples, a piston member may provide a movable seal for providing the fluid-communication path and its interruption. An exemplary piston member may be slidably reset in a non-interrupting mode by an adequate primary fluid pressure, and slidably set in an interrupting mode by a user activation. The interrupting mode may silence the whistle which may facilitate user communication during what may be a stressful primary fluid source failure event. Some exemplary automatic fluid alarms may conserve secondary fluid when the whistle is silenced.
PCT/US2014/012684 2013-02-08 2014-01-23 Automatic switching device for a breathing apparatus with an alarm-relief function and automatic reset Ceased WO2014123695A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14704955.5A EP2953688A2 (en) 2013-02-08 2014-01-23 Automatic switching device for a breathing apparatus with an alarm-relief function and automatic reset
CN201480008019.9A CN104968397B (en) 2013-02-08 2014-01-23 The automatic switching control equipment for breathing apparatus for having the function of all clear and resetting automatically
US14/766,688 US10086219B2 (en) 2013-02-08 2014-01-23 Automatic switching device for a breathing apparatus with an alarm-relief function and automatic reset

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361762729P 2013-02-08 2013-02-08
US61/762,729 2013-02-08

Publications (2)

Publication Number Publication Date
WO2014123695A2 WO2014123695A2 (en) 2014-08-14
WO2014123695A3 true WO2014123695A3 (en) 2014-10-02

Family

ID=50114543

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/012684 Ceased WO2014123695A2 (en) 2013-02-08 2014-01-23 Automatic switching device for a breathing apparatus with an alarm-relief function and automatic reset

Country Status (4)

Country Link
US (1) US10086219B2 (en)
EP (1) EP2953688A2 (en)
CN (1) CN104968397B (en)
WO (1) WO2014123695A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2953688A2 (en) 2013-02-08 2015-12-16 Honeywell International Inc. Automatic switching device for a breathing apparatus with an alarm-relief function and automatic reset
EP3328506B1 (en) * 2015-09-09 2020-08-05 Avon Protection Systems, Inc. Cbrn breathing apparatus
EP4467203A1 (en) * 2023-05-26 2024-11-27 Dräger Safety AG & Co. KGaA Pneumatic whistle
US20250065157A1 (en) * 2023-08-21 2025-02-27 Phyl Mason Automated Breathing Air Trailer System
CN119971355A (en) * 2023-11-09 2025-05-13 霍尼韦尔安全产品美国股份有限公司 Self-contained breathing apparatus, their components and their battery compartments

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2058580A (en) * 1979-09-25 1981-04-15 British Nuclear Fuels Ltd Emergency air supply
FR2691635A1 (en) * 1992-06-02 1993-12-03 Matisec Air supply distributor for respirator - comprises single casing enclosing main supply passage, branch passage for emergency reserve supply, and auxiliary conduit connected to alarm whistle
DE19934078A1 (en) * 1999-07-15 2001-02-08 Auergesellschaft Gmbh Switching valve for breathing apparatus includes valve branch connecting supply to automatic lung and in-branch nonreturn valve closing branch when breather feeds to automatic lung.

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS162633B4 (en) * 1971-06-15 1975-07-15
FR2203481A5 (en) * 1972-10-16 1974-05-10 Minerve Sa
US4173986A (en) * 1977-04-18 1979-11-13 American Safety Equipment Corporation Pressurized gas flow control valve and assembly thereof with reducer regulator
US4237813A (en) * 1977-07-22 1980-12-09 Howison Ronald G Warning and protective device
US4181126A (en) * 1978-01-23 1980-01-01 Hendry Stephen M Cryogenic, underwater-breathing apparatus
NL8501474A (en) * 1985-05-23 1986-12-16 Dow Chemical Nederland DIVERSION VALVE.
US4870960A (en) * 1985-10-07 1989-10-03 Litton Systems, Inc. Backup breathing gas supply for an oxygen concentrator system
GB2184204A (en) * 1985-11-06 1987-06-17 Mara Engineering Limited Valve system
GB8808986D0 (en) * 1988-04-15 1988-05-18 Archambaud C P D Valve
FR2692635B1 (en) 1992-06-18 1998-03-13 Valeo FRICTION DISC, PARTICULARLY FOR A CLUTCH OF A MOTOR VEHICLE.
CN1181898C (en) * 2002-04-11 2004-12-29 山西虹安科技有限公司 Pneuamtic device for positive pressure oxygen respirator
CN200954322Y (en) 2006-09-04 2007-10-03 煤炭科学研究总院重庆分院 Isolation-type positive-pressure oxygen respirator
WO2009058988A2 (en) * 2007-10-30 2009-05-07 Superior Products, Inc. Switchover valve
US8312891B2 (en) * 2009-10-19 2012-11-20 Cavagna Group Automatic switching valve with alarm
EP2953688A2 (en) 2013-02-08 2015-12-16 Honeywell International Inc. Automatic switching device for a breathing apparatus with an alarm-relief function and automatic reset

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2058580A (en) * 1979-09-25 1981-04-15 British Nuclear Fuels Ltd Emergency air supply
FR2691635A1 (en) * 1992-06-02 1993-12-03 Matisec Air supply distributor for respirator - comprises single casing enclosing main supply passage, branch passage for emergency reserve supply, and auxiliary conduit connected to alarm whistle
DE19934078A1 (en) * 1999-07-15 2001-02-08 Auergesellschaft Gmbh Switching valve for breathing apparatus includes valve branch connecting supply to automatic lung and in-branch nonreturn valve closing branch when breather feeds to automatic lung.

Also Published As

Publication number Publication date
US10086219B2 (en) 2018-10-02
WO2014123695A2 (en) 2014-08-14
CN104968397A (en) 2015-10-07
CN104968397B (en) 2018-09-14
US20150367150A1 (en) 2015-12-24
EP2953688A2 (en) 2015-12-16

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