GB1248412A - Oxygen-air diluter for breathing apparatus - Google Patents

Oxygen-air diluter for breathing apparatus

Info

Publication number
GB1248412A
GB1248412A GB55601/68A GB5560168A GB1248412A GB 1248412 A GB1248412 A GB 1248412A GB 55601/68 A GB55601/68 A GB 55601/68A GB 5560168 A GB5560168 A GB 5560168A GB 1248412 A GB1248412 A GB 1248412A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
oxygen
valve
air
chamber
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.)
Expired
Application number
GB55601/68A
Other languages
English (en)
Inventor
Herbert F Veit
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.)
Robertshaw Controls Co
Original Assignee
Robertshaw Controls Co
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 Robertshaw Controls Co filed Critical Robertshaw Controls Co
Publication of GB1248412A publication Critical patent/GB1248412A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • 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
    • A62B9/022—Breathing demand regulators
    • A62B9/027—Breathing demand regulators pilot operated, i.e. controlled by valve means sensitive to a reduced downstream pressure
    • 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
    • Y10T137/1842—Ambient condition change responsive
    • Y10T137/1939—Atmospheric
    • Y10T137/2012—Pressure
    • 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
    • Y10T137/2572—One inflow supplements another
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • Y10T137/7764—Choked or throttled pressure type
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7838—Plural
    • Y10T137/7839—Dividing and recombining in a single flow path
    • Y10T137/784—Integral resilient member forms plural valves

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Emergency Medicine (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
GB55601/68A 1967-11-24 1968-11-22 Oxygen-air diluter for breathing apparatus Expired GB1248412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68565767A 1967-11-24 1967-11-24

Publications (1)

Publication Number Publication Date
GB1248412A true GB1248412A (en) 1971-10-06

Family

ID=24753152

Family Applications (1)

Application Number Title Priority Date Filing Date
GB55601/68A Expired GB1248412A (en) 1967-11-24 1968-11-22 Oxygen-air diluter for breathing apparatus

Country Status (3)

Country Link
US (1) US3526241A (enrdf_load_stackoverflow)
FR (1) FR1594837A (enrdf_load_stackoverflow)
GB (1) GB1248412A (enrdf_load_stackoverflow)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683958A (en) * 1970-11-30 1972-08-15 Sperry Rand Corp Power transmission
FR2174782B1 (enrdf_load_stackoverflow) * 1972-03-10 1975-03-21 Lafourcade Jean Michel
US3805823A (en) * 1972-05-23 1974-04-23 Tokyo Gas Co Ltd Pressure regulators
US3782402A (en) * 1972-10-24 1974-01-01 Bendix Corp Servo controlled oxygen regulator
DE2404062C3 (de) * 1974-01-29 1978-04-20 Draegerwerk Ag, 2400 Luebeck Atemgaszuführungsregler, insbesondere für Höhenatemgeräte
IT1018282B (it) * 1974-08-09 1977-09-30 Fernando G Gruppo erogatore per apparecchi di respirazione a una o piu valvole fluttuanti funzionanti in base ad un sistema perfezionato con fulcri privi di articolazioni meccaniche
US4332268A (en) * 1979-01-16 1982-06-01 Nippondenso Co., Ltd. Atmospheric pressure compensation device
US4436090A (en) 1979-01-22 1984-03-13 Darling Phillip H Piston actuated, pilot valve operated breathing regulator
AU614731B2 (en) * 1986-12-09 1991-09-12 Maersk Indoplas Pty Limited Oxygen dilution apparatus
US4944249A (en) * 1988-07-12 1990-07-31 Orion Machinery Co., Ltd. Vacuum-pressure supply device
US5010844A (en) * 1988-07-12 1991-04-30 Orion Machinery Co., Ltd. Vacuum-pressure supply device
US5372129A (en) * 1992-06-23 1994-12-13 Ryder; Steven L. Oxygen dilution device for maintaining an essentially constant proportion of primary gas in a diluent gas
US5678541A (en) 1996-03-15 1997-10-21 Garraffa; Dean R. Breathing regulator apparatus having automatic flow control
GB0305118D0 (en) * 2003-03-06 2003-04-09 Intersurgical Ltd Improvements relating to venturi devices
GB0305117D0 (en) * 2003-03-06 2003-04-09 Intersurgical Ltd An adjustable venturi device
US7210479B2 (en) * 2003-11-07 2007-05-01 Van Den Akker Erik Hyperoxic breathing system
GB0426676D0 (en) * 2004-12-04 2005-01-05 Concept 2 Manufacture Design L A regulator for medical use
CN103182142B (zh) * 2011-12-30 2016-04-20 北京谊安医疗系统股份有限公司 混氧阀
CN104208794B (zh) * 2013-05-31 2019-02-05 北京谊安医疗系统股份有限公司 混氧阀和具有该混氧阀的呼吸机
US20230081989A1 (en) * 2021-09-13 2023-03-16 Avox Systems Inc. Oxygen control system with improved pressure regulator

Also Published As

Publication number Publication date
FR1594837A (enrdf_load_stackoverflow) 1970-06-08
US3526241A (en) 1970-09-01

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