GB775611A - Underwater breathing apparatus - Google Patents
Underwater breathing apparatusInfo
- Publication number
- GB775611A GB775611A GB8164/55A GB816455A GB775611A GB 775611 A GB775611 A GB 775611A GB 8164/55 A GB8164/55 A GB 8164/55A GB 816455 A GB816455 A GB 816455A GB 775611 A GB775611 A GB 775611A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- water
- mouthpiece
- exhaust
- march
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/02—Divers' equipment
- B63C11/18—Air supply
- B63C11/22—Air supply carried by diver
- B63C11/2236—Functionally interdependent first/second-stage regulators
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
775,611. Respiratory appliances. PAGE, R. E. March 21, 1955 [March 29, 1954], No. 8164/55. Class 81(2) In an open circuit under-water breathing apparatus the mouthpiece is provided with inlet and exhaust valves so that it can be blown clear' of water, if necessary, while below the surface. The device has a cylindrical body 30 from which a flat tubular connection 51 extends radially to the actual mouthpiece. At each end a disc valve 38, 38<SP>1</SP> is clamped by a flanged connecting member 44, 44<SP>1</SP> and valve 38 serves as an inlet valve, while the other 38<SP>1</SP> serves as an exhaust walve and leads to the usual exhalation tube and valve of the breathing equipment. If the mouthpiece becomes filled with water while submerged, the user blows into it and so forces the water out through the valve 38<SP>1</SP>, this being repeated until the system is clear. In order that complete clearance may be obtained, the exhaust valve seating is large enough for its inner edge 36<SP>1</SP> to be flush with the inner face of the body 30, so that no water can be trapped. Air is supplied to the mouthpiece through a two-stage pressure regulator mounted on the air cylinder strapped to the user's back.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US775611XA | 1954-03-29 | 1954-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB775611A true GB775611A (en) | 1957-05-29 |
Family
ID=22138785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8164/55A Expired GB775611A (en) | 1954-03-29 | 1955-03-21 | Underwater breathing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB775611A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1132821B (en) * | 1958-07-24 | 1962-07-05 | Draegerwerk Ag | Device for extracting air from diving suits |
| EP0014290A1 (en) * | 1978-12-13 | 1980-08-20 | Siebe Gorman & Company Limited | Valve assembly and breathing apparatus incorporating this valve assembly |
-
1955
- 1955-03-21 GB GB8164/55A patent/GB775611A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1132821B (en) * | 1958-07-24 | 1962-07-05 | Draegerwerk Ag | Device for extracting air from diving suits |
| EP0014290A1 (en) * | 1978-12-13 | 1980-08-20 | Siebe Gorman & Company Limited | Valve assembly and breathing apparatus incorporating this valve assembly |
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