GB2286971B - Check valve for breathing gas supply system - Google Patents

Check valve for breathing gas supply system

Info

Publication number
GB2286971B
GB2286971B GB9500539A GB9500539A GB2286971B GB 2286971 B GB2286971 B GB 2286971B GB 9500539 A GB9500539 A GB 9500539A GB 9500539 A GB9500539 A GB 9500539A GB 2286971 B GB2286971 B GB 2286971B
Authority
GB
United Kingdom
Prior art keywords
check valve
gas supply
supply system
breathing gas
breathing
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 - Lifetime
Application number
GB9500539A
Other versions
GB2286971A (en
GB9500539D0 (en
Inventor
James Conway Foote
Derrick John Puplett
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.)
NORMALAIR GARRETT
Original Assignee
NORMALAIR GARRETT
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
Priority claimed from GB9400906A external-priority patent/GB9400906D0/en
Priority claimed from GB9403956A external-priority patent/GB9403956D0/en
Application filed by NORMALAIR GARRETT filed Critical NORMALAIR GARRETT
Priority to GB9500539A priority Critical patent/GB2286971B/en
Publication of GB9500539D0 publication Critical patent/GB9500539D0/en
Publication of GB2286971A publication Critical patent/GB2286971A/en
Application granted granted Critical
Publication of GB2286971B publication Critical patent/GB2286971B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0473—Multiple-way safety valves

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
GB9500539A 1994-01-18 1995-01-11 Check valve for breathing gas supply system Expired - Lifetime GB2286971B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9500539A GB2286971B (en) 1994-01-18 1995-01-11 Check valve for breathing gas supply system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9400906A GB9400906D0 (en) 1994-01-18 1994-01-18 Aircrew breathing systems
GB9403956A GB9403956D0 (en) 1994-03-02 1994-03-02 Aircrew breathing systems
GB9500539A GB2286971B (en) 1994-01-18 1995-01-11 Check valve for breathing gas supply system

Publications (3)

Publication Number Publication Date
GB9500539D0 GB9500539D0 (en) 1995-03-01
GB2286971A GB2286971A (en) 1995-09-06
GB2286971B true GB2286971B (en) 1997-12-17

Family

ID=27267018

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9500539A Expired - Lifetime GB2286971B (en) 1994-01-18 1995-01-11 Check valve for breathing gas supply system

Country Status (1)

Country Link
GB (1) GB2286971B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619988A (en) * 1995-10-05 1997-04-15 Minnesota Mining And Manufacturing Company First stage pressure regulator for emergency breathing apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619255A (en) * 1981-11-16 1986-10-28 East/West Industries, Inc. Oxygen supply system
US4641686A (en) * 1984-12-18 1987-02-10 Thompson Phillip D Solenoid operated valve pressure balanced in a closed position by a single diaphragm
WO1989009903A1 (en) * 1988-04-15 1989-10-19 Archambaud Charles Percival D A valve
US4924911A (en) * 1988-08-12 1990-05-15 F. W. Oventrop, Kg. Three-way valve
WO1991014122A1 (en) * 1990-03-09 1991-09-19 Archambaud Charles Percival D A valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619255A (en) * 1981-11-16 1986-10-28 East/West Industries, Inc. Oxygen supply system
US4641686A (en) * 1984-12-18 1987-02-10 Thompson Phillip D Solenoid operated valve pressure balanced in a closed position by a single diaphragm
WO1989009903A1 (en) * 1988-04-15 1989-10-19 Archambaud Charles Percival D A valve
US4924911A (en) * 1988-08-12 1990-05-15 F. W. Oventrop, Kg. Three-way valve
WO1991014122A1 (en) * 1990-03-09 1991-09-19 Archambaud Charles Percival D A valve

Also Published As

Publication number Publication date
GB2286971A (en) 1995-09-06
GB9500539D0 (en) 1995-03-01

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20100311 AND 20100317

PE20 Patent expired after termination of 20 years

Expiry date: 20150110