FR2373093A1 - Appareil destine a debiter un melange de gaz sous pression - Google Patents

Appareil destine a debiter un melange de gaz sous pression

Info

Publication number
FR2373093A1
FR2373093A1 FR7736353A FR7736353A FR2373093A1 FR 2373093 A1 FR2373093 A1 FR 2373093A1 FR 7736353 A FR7736353 A FR 7736353A FR 7736353 A FR7736353 A FR 7736353A FR 2373093 A1 FR2373093 A1 FR 2373093A1
Authority
FR
France
Prior art keywords
oxygen
air
ambient pressure
aircraft
transducer
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.)
Withdrawn
Application number
FR7736353A
Other languages
English (en)
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.)
UK Government
Original Assignee
UK Government
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 UK Government filed Critical UK Government
Publication of FR2373093A1 publication Critical patent/FR2373093A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
    • G05D11/132—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components by controlling the flow of the individual components
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/035—Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

Appareil destiné à régler en fonction des variations de la pression ambiante les proportions de deux gaz à mélanger. Cet appareil comprend deux conduites d'alimentation, deux régulateurs de débit accouplés, de telle sorte que l'ouverture de l'un correspond à la fermeture de l'autre, deux régulateurs de pression situés en amont des deux précédents, et un moteur qui fait fonctionner ces derniers en fonction de la pression ambiante. Application notamment aux systèmes d'alimentation en air respirable des équipages d'aéronefs.
FR7736353A 1976-12-03 1977-12-02 Appareil destine a debiter un melange de gaz sous pression Withdrawn FR2373093A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5059976 1976-12-03
GB2546477 1977-06-17

Publications (1)

Publication Number Publication Date
FR2373093A1 true FR2373093A1 (fr) 1978-06-30

Family

ID=26257694

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7736353A Withdrawn FR2373093A1 (fr) 1976-12-03 1977-12-02 Appareil destine a debiter un melange de gaz sous pression

Country Status (1)

Country Link
FR (1) FR2373093A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0140668A2 (fr) * 1983-11-01 1985-05-08 British Aerospace Public Limited Company Répartiteur
WO1986002565A1 (fr) * 1984-11-01 1986-05-09 Bear Medical Systems, Inc. System melangeur de gaz a commande electronique

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0140668A2 (fr) * 1983-11-01 1985-05-08 British Aerospace Public Limited Company Répartiteur
EP0140668A3 (en) * 1983-11-01 1985-06-12 British Aerospace Public Limited Company Proportioners
WO1986002565A1 (fr) * 1984-11-01 1986-05-09 Bear Medical Systems, Inc. System melangeur de gaz a commande electronique
US4602653A (en) * 1984-11-01 1986-07-29 Bear Medical Systems, Inc. Electronically-controlled gas blending system

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Legal Events

Date Code Title Description
ST Notification of lapse