DK141806B - Apparat til frembringelse af en kontinuerlig strøm af en blanding af to gasser, navnlig en til narkoseformål bestemt blanding af O2 og N2O. - Google Patents

Apparat til frembringelse af en kontinuerlig strøm af en blanding af to gasser, navnlig en til narkoseformål bestemt blanding af O2 og N2O. Download PDF

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Publication number
DK141806B
DK141806B DK438172AA DK438172A DK141806B DK 141806 B DK141806 B DK 141806B DK 438172A A DK438172A A DK 438172AA DK 438172 A DK438172 A DK 438172A DK 141806 B DK141806 B DK 141806B
Authority
DK
Denmark
Prior art keywords
pressure
flow
gas
flow rate
outlet
Prior art date
Application number
DK438172AA
Other languages
Danish (da)
English (en)
Other versions
DK141806C (fr
Inventor
Allan Morris Blickford
Ronald Joseph Czajka
Original Assignee
Fraser Sweatman
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 Fraser Sweatman filed Critical Fraser Sweatman
Publication of DK141806B publication Critical patent/DK141806B/da
Application granted granted Critical
Publication of DK141806C publication Critical patent/DK141806C/da

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20Measuring; Control or regulation
    • B01F35/21Measuring
    • B01F35/211Measuring of the operational parameters
    • B01F35/2111Flow rate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/104Preparation of respiratory gases or vapours specially adapted for anaesthetics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/10Mixing gases with gases
    • B01F23/19Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means
    • B01F23/191Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means characterised by the construction of the controlling means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20Measuring; Control or regulation
    • B01F35/22Control or regulation
    • B01F35/221Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
    • B01F35/2211Amount of delivered fluid during a period
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80Forming a predetermined ratio of the substances to be mixed
    • B01F35/81Forming mixtures with changing ratios or gradients
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2496Self-proportioning or correlating systems
    • Y10T137/2499Mixture condition maintaining or sensing
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2496Self-proportioning or correlating systems
    • Y10T137/2514Self-proportioning flow systems
    • Y10T137/2521Flow comparison or differential response

Landscapes

  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Hematology (AREA)
  • Fluid Mechanics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Flow Control (AREA)
  • Accessories For Mixers (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
DK438172AA 1971-09-07 1972-09-06 Apparat til frembringelse af en kontinuerlig strøm af en blanding af to gasser, navnlig en til narkoseformål bestemt blanding af O2 og N2O. DK141806B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17811471A 1971-09-07 1971-09-07
US17811471 1971-09-07

Publications (2)

Publication Number Publication Date
DK141806B true DK141806B (da) 1980-06-23
DK141806C DK141806C (fr) 1980-11-10

Family

ID=22651255

Family Applications (1)

Application Number Title Priority Date Filing Date
DK438172AA DK141806B (da) 1971-09-07 1972-09-06 Apparat til frembringelse af en kontinuerlig strøm af en blanding af to gasser, navnlig en til narkoseformål bestemt blanding af O2 og N2O.

Country Status (16)

Country Link
US (1) US3739799A (fr)
JP (1) JPS5758682B2 (fr)
AU (1) AU460393B2 (fr)
BE (1) BE784796A (fr)
BR (1) BR7205751D0 (fr)
CA (1) CA956115A (fr)
DE (1) DE2225683B2 (fr)
DK (1) DK141806B (fr)
ES (1) ES403204A1 (fr)
FI (1) FI56122C (fr)
FR (1) FR2152521B1 (fr)
GB (1) GB1392655A (fr)
IT (1) IT955933B (fr)
NL (1) NL7205615A (fr)
NO (1) NO137774C (fr)
SE (1) SE398821B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK151289B (da) * 1977-02-09 1987-11-23 Medishield Corp Ltd Gasblandeapparat.

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841344A (en) * 1973-06-06 1974-10-15 Airco Inc Gas mixing systems
US4015617A (en) * 1975-03-25 1977-04-05 Fraser Sweatman, Inc. Analgesic apparatus
US4041969A (en) * 1975-04-08 1977-08-16 Union Carbide Corporation Apparatus for controlling the volumetric ratio between mixed gases
JPS5242689A (en) * 1975-10-01 1977-04-02 Ando Toshiharu Anesthetizing apparatus
DE2553165C3 (de) * 1975-11-27 1979-12-13 Draegerwerk Ag, 2400 Luebeck Gasmischvorrichtung für die Atemschutz-, Tauch-, Medizin- und Labortechnik k
US4237925A (en) * 1977-01-18 1980-12-09 Citizen Watch Co., Ltd. Anesthesia apparatus
AU506207B2 (en) * 1977-02-15 1979-12-20 Tmcl Gas mixer
SE7802089L (sv) * 1978-02-23 1979-08-24 Aga Ab Anordning for blandning av medier, sasom gaser eller vetskor
US4266573A (en) * 1979-10-19 1981-05-12 Airco, Inc. Anesthesia machine having proportion limiting control system
US4328823A (en) * 1980-05-14 1982-05-11 N.A.D. Inc. Oxygen flow ratio controller for anesthesia apparatus
JPS5995055A (ja) * 1982-11-24 1984-05-31 シチズン時計株式会社 笑気吸入鎮静器
DE3310858A1 (de) * 1983-03-25 1984-09-27 Drägerwerk AG, 2400 Lübeck Gasdosiervorrichtung fuer anaesthesiegeraete
JPS6090568A (ja) * 1983-10-25 1985-05-21 シチズン時計株式会社 麻酔器用流量制御装置
DE3517325C1 (de) * 1985-05-14 1986-12-11 Drägerwerk AG, 2400 Lübeck Misch- und Dosiervorrichtung fuer stroemende Medien
GB2176313A (en) * 1985-06-07 1986-12-17 Fraser Sweatman Ind Inc Apparatus and method for controlling and monitoring mixing of two or more gases
GB2181361B (en) * 1985-10-10 1988-11-23 Boc Group Plc Improvements in or relating to mixing apparatus for gases
US4874116A (en) * 1988-06-01 1989-10-17 Mcdantim, Inc. Gas blending apparatus
US4928850A (en) * 1988-06-01 1990-05-29 Mcdantim, Inc. Gas blending apparatus
US5236001A (en) * 1991-12-20 1993-08-17 Thomas Kleles Dual fluid remote control valve
FI93430C (fi) * 1992-05-07 1995-04-10 Instrumentarium Oy Laitteisto ja menetelmä eri kanavia pitkin virtaavien kaasujen sekoittamiseksi toisiinsa
GB9323645D0 (en) * 1993-11-16 1994-01-05 Boc Group Plc Improvements in anaesthetic vaporisers
DE4437207C1 (de) * 1994-10-18 1996-01-04 Draegerwerk Ag Gasverhältnisregelvorrichtung für Narkosegeräte
DE29520377U1 (de) * 1995-12-22 1996-02-15 Quadis GmbH, 76547 Sinzheim Gasmischer zum Mischen zweier oder mehrerer Gase bei gleichzeitiger Druckregelung, Druckminderung und Leerabschaltung
SE516319C2 (sv) * 1999-03-24 2001-12-17 Aneo Ab Ventilarrangemang
GB2388905B (en) * 2002-03-15 2005-10-26 Abb Ltd Improvements in flow metering
GB2386959B (en) * 2002-03-28 2005-09-07 Abb Ltd Flow sensing in multiple conduits
WO2005018723A1 (fr) * 2003-08-26 2005-03-03 Nascor Pty Limited Distributeur de gaz
CN111265748B (zh) * 2020-02-24 2022-04-12 娄保锋 一种麻醉气体输送装置
US11294404B1 (en) * 2020-09-25 2022-04-05 Bio-Med Devices, Inc. Air-oxygen blender with periodic pressure venting

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534753A (en) * 1968-03-18 1970-10-20 Veriflo Corp Ratio controller for gases
DK126025B (da) * 1968-06-15 1973-06-04 Draegerwerk Ag Fremgangsmåde til blanding af trykgasser og apparat til udførelse af fremgangsmåden.
US3598134A (en) * 1970-03-16 1971-08-10 Veriflo Corp Ratio controller for gases

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK151289B (da) * 1977-02-09 1987-11-23 Medishield Corp Ltd Gasblandeapparat.

Also Published As

Publication number Publication date
NO137774C (no) 1978-04-26
FR2152521A1 (fr) 1973-04-27
FI56122B (fi) 1979-08-31
ES403204A1 (es) 1975-05-01
NL7205615A (fr) 1973-03-09
DK141806C (fr) 1980-11-10
JPS4835287A (fr) 1973-05-24
GB1392655A (en) 1975-04-30
DE2225683A1 (de) 1973-03-15
DE2225683B2 (de) 1980-06-04
FR2152521B1 (fr) 1974-12-20
JPS5758682B2 (fr) 1982-12-10
AU4176772A (en) 1973-11-08
AU460393B2 (en) 1975-04-24
NO137774B (no) 1978-01-16
BR7205751D0 (pt) 1973-07-17
SE398821B (sv) 1978-01-23
CA956115A (en) 1974-10-15
US3739799A (en) 1973-06-19
IT955933B (it) 1973-09-29
FI56122C (fi) 1979-12-10
BE784796A (fr) 1972-10-02

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PUP Patent expired