GB2286971B - Check valve for breathing gas supply system - Google Patents
Check valve for breathing gas supply systemInfo
- 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
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)
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)
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)
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 |
-
1995
- 1995-01-11 GB GB9500539A patent/GB2286971B/en not_active Expired - Lifetime
Patent Citations (5)
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 |