GB1231817A - - Google Patents

Info

Publication number
GB1231817A
GB1231817A GB1231817DA GB1231817A GB 1231817 A GB1231817 A GB 1231817A GB 1231817D A GB1231817D A GB 1231817DA GB 1231817 A GB1231817 A GB 1231817A
Authority
GB
United Kingdom
Prior art keywords
pressure
valve
diaphragm
restrictions
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
Other languages
English (en)
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 filed Critical
Publication of GB1231817A publication Critical patent/GB1231817A/en
Expired 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
GB1231817D 1967-07-20 1968-07-18 Expired GB1231817A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65475967A 1967-07-20 1967-07-20

Publications (1)

Publication Number Publication Date
GB1231817A true GB1231817A (enExample) 1971-05-12

Family

ID=24626126

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1231817D Expired GB1231817A (enExample) 1967-07-20 1968-07-18

Country Status (5)

Country Link
US (1) US3496954A (enExample)
DE (1) DE1773872C3 (enExample)
FR (1) FR1580512A (enExample)
GB (1) GB1231817A (enExample)
SE (1) SE331637B (enExample)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884905A (en) * 1955-12-02 1959-05-05 Garrett Corp Altitude responsive pneumatic actuator
US2854913A (en) * 1956-12-13 1958-10-07 United Aircraft Corp Flow control means for an aircraft air conditioning system
GB885353A (en) * 1959-05-14 1961-12-28 Bendix Corp Pressure regulating system

Also Published As

Publication number Publication date
US3496954A (en) 1970-02-24
DE1773872A1 (de) 1972-03-02
FR1580512A (enExample) 1969-09-05
SE331637B (enExample) 1971-01-04
DE1773872C3 (de) 1974-07-18
DE1773872B2 (de) 1973-12-20

Similar Documents

Publication Publication Date Title
GB1250395A (enExample)
GB1136468A (en) Improvements in or relating to gas pressure regulators
GB1235979A (en) Pressure regulator
GB1208765A (en) Air distribution unit
GB1248412A (en) Oxygen-air diluter for breathing apparatus
GB1407624A (en) Altitude compensating pressure regulator
GB1124606A (en) Oxygen diluter system
GB1064199A (en) Improvements in or relating to fluid pressure control and regulating devices
GB1323143A (en) Regulating systems
GB944932A (en) Improvements in or relating to breathing apparatus
GB1450539A (en) Control system for exhaust gas recirculating valve
GB1106766A (en) Fluid flow regulators
GB1227465A (enExample)
GB1430383A (en) Gas delivery regulators
GB1222989A (en) Oxygen and air mixer for breathing apparatus
GB1495911A (en) Breathing apparatus in particular for aircraft crew
GB1272113A (en) Improvements in or relating to gas delivery apparatus
GB724801A (en) Improvements in or relating to protective oxygen respirators providing circulation of the respiration air
GB1158865A (en) Respiratory Gas Regulator Assembly particularly for Oxygen Distribution Apparatus for supplying Masks worn by Aircraft Crew Members
GB895373A (en) Oxygen supply system
GB849056A (en) Respiratory apparatus
GB885353A (en) Pressure regulating system
GB847754A (en) Improvements in breathing apparatus
FR2288346A1 (fr) Perfectionnements aux dispositifs d'alimentation en gaz
GB1028308A (en) Fluid control apparatus

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years