GB857927A - Method and means for compounding gaseous mixtures - Google Patents

Method and means for compounding gaseous mixtures

Info

Publication number
GB857927A
GB857927A GB16167/57A GB1616757A GB857927A GB 857927 A GB857927 A GB 857927A GB 16167/57 A GB16167/57 A GB 16167/57A GB 1616757 A GB1616757 A GB 1616757A GB 857927 A GB857927 A GB 857927A
Authority
GB
United Kingdom
Prior art keywords
valve
diaphragm
pressure
outlet
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
GB16167/57A
Inventor
Ian George Baxter
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.)
BOC Group Ltd
Original Assignee
British Oxigen Ltd
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 British Oxigen Ltd filed Critical British Oxigen Ltd
Priority to GB16167/57A priority Critical patent/GB857927A/en
Priority to DEB33577U priority patent/DE1829553U/en
Publication of GB857927A publication Critical patent/GB857927A/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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/104—Preparation of respiratory gases or vapours specially adapted for anaesthetics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/10—Mixing gases with gases
    • B01F23/19—Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means
    • B01F23/191—Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means characterised by the construction of the controlling means

Abstract

857,927. Mixing gases in flow. BRITISH OXYGEN CO. Ltd. May 21, 1951 [May 21, 1957], No. 16167/57. Class 86 [Also in Group VI] Relates to a method of and an apparatus for mixing at least two gases and maintaining the composition of the mixture substantially constant over a range of flow rates of the mixture. As shown, nitrous oxide and oxygen are supplied to a mixing chamber 1 through regulating valves 11, 5 and adjustable metering orifices 3, 4, the outlet 2 of the chamber 1 being connected to a free mask. The valve 5 is urged towards the closed position by a light spring 7 and is connected to a dia phragm 8 which is under the urge of a spring 9 balancing the diaphragm with respect to the mean oxygen inlet pressure. The valve 11 is urged towards the closed position by a light spring 13 and is connected to a diaphragm 14 which is under the urge of a spring 16 adjustable by a screw 17. The chamber of the diaphragm 14 is connected by a passage 15 with the outlet 2 the pressure of which tends to shut the valve 11. The valve seat 12 of the valve 11 is connected by a passage 10 with the chamber of the diaphragm 8. In operation a reduction in pressure at the outlet 2 due to inoperation, causes the diaphragm 14 to move to the right and open the valve 11 the nitrous oxide pressure then acting through the passage 10 to open the valve 5 until the pressures of the oxygen and the nitrous oxide delivered to the orifices 4, 3, are equal. Conversely an increase of pressure at the outlet 2 causes the valves to close.
GB16167/57A 1957-05-21 1957-05-21 Method and means for compounding gaseous mixtures Expired GB857927A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB16167/57A GB857927A (en) 1957-05-21 1957-05-21 Method and means for compounding gaseous mixtures
DEB33577U DE1829553U (en) 1957-05-21 1958-05-20 DEVICE FOR FORMING A GAS MIXTURE FROM AT LEAST TWO MIXING COMPONENTS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB16167/57A GB857927A (en) 1957-05-21 1957-05-21 Method and means for compounding gaseous mixtures

Publications (1)

Publication Number Publication Date
GB857927A true GB857927A (en) 1961-01-04

Family

ID=10072376

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16167/57A Expired GB857927A (en) 1957-05-21 1957-05-21 Method and means for compounding gaseous mixtures

Country Status (2)

Country Link
DE (1) DE1829553U (en)
GB (1) GB857927A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3726300A (en) * 1969-11-03 1973-04-10 Air Liquide Gas mixing device
US4275752A (en) 1978-09-22 1981-06-30 Collier Nigel A Fluid flow apparatus and method
GB2148721A (en) * 1983-10-25 1985-06-05 Citizen Watch Co Ltd Gas flow control system for an anesthesia apparatus
EP0204066A1 (en) * 1985-05-14 1986-12-10 Drägerwerk Aktiengesellschaft Mixing and proportioning device for flowing matter
DE29520377U1 (en) * 1995-12-22 1996-02-15 Quadis Gmbh Gas mixer for mixing two or more gases with simultaneous pressure control, pressure reduction and empty shutdown
DE202015000313U1 (en) 2015-01-13 2015-03-20 Eugen Sarpaczki Gas mixing device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727627A (en) * 1970-07-15 1973-04-17 H Pohndorf Apparatus for mixing gases

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3726300A (en) * 1969-11-03 1973-04-10 Air Liquide Gas mixing device
US4275752A (en) 1978-09-22 1981-06-30 Collier Nigel A Fluid flow apparatus and method
GB2148721A (en) * 1983-10-25 1985-06-05 Citizen Watch Co Ltd Gas flow control system for an anesthesia apparatus
EP0204066A1 (en) * 1985-05-14 1986-12-10 Drägerwerk Aktiengesellschaft Mixing and proportioning device for flowing matter
DE29520377U1 (en) * 1995-12-22 1996-02-15 Quadis Gmbh Gas mixer for mixing two or more gases with simultaneous pressure control, pressure reduction and empty shutdown
DE202015000313U1 (en) 2015-01-13 2015-03-20 Eugen Sarpaczki Gas mixing device

Also Published As

Publication number Publication date
DE1829553U (en) 1961-04-13

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