NO133912B - - Google Patents
Download PDFInfo
- Publication number
- NO133912B NO133912B NO73772A NO73772A NO133912B NO 133912 B NO133912 B NO 133912B NO 73772 A NO73772 A NO 73772A NO 73772 A NO73772 A NO 73772A NO 133912 B NO133912 B NO 133912B
- Authority
- NO
- Norway
- Prior art keywords
- pressure
- membrane
- membranes
- gas
- space
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims description 71
- 239000007788 liquid Substances 0.000 claims description 48
- 239000012530 fluid Substances 0.000 claims description 6
- 230000002706 hydrostatic effect Effects 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims 1
- -1 polytetrafluoroethylene Polymers 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 1
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 15
- 230000014509 gene expression Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
- G01F23/16—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB678971A GB1379554A (en) | 1971-03-12 | 1971-03-12 | Liquid level gauges |
| GB972571 | 1971-04-17 | ||
| GB2916171 | 1971-06-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO133912B true NO133912B (enrdf_load_html_response) | 1976-04-05 |
| NO133912C NO133912C (enrdf_load_html_response) | 1976-07-14 |
Family
ID=27254893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO73772A NO133912C (enrdf_load_html_response) | 1971-03-12 | 1972-03-08 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS542861B1 (enrdf_load_html_response) |
| DE (2) | DE7210067U (enrdf_load_html_response) |
| FR (1) | FR2128815B1 (enrdf_load_html_response) |
| NO (1) | NO133912C (enrdf_load_html_response) |
| SE (1) | SE405765B (enrdf_load_html_response) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2522813A1 (fr) * | 1982-03-03 | 1983-09-09 | Auxitrol | Tete de detection de niveau par effet hydrostatique avec protection |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2374945A (en) * | 1943-07-26 | 1945-05-01 | Bulova Watch Co Inc | Pressure measuring apparatus |
| GB1039401A (en) | 1962-01-08 | 1966-08-17 | Seetru Ltd | Improvements in fluid flow control valves |
| GB1089900A (en) | 1965-10-08 | 1967-11-08 | Seetru Ltd | Improvements in sealing means for fluid valves |
-
1972
- 1972-03-08 NO NO73772A patent/NO133912C/no unknown
- 1972-03-10 SE SE304972A patent/SE405765B/xx unknown
- 1972-03-10 FR FR7208404A patent/FR2128815B1/fr not_active Expired
- 1972-03-13 JP JP2556472A patent/JPS542861B1/ja active Pending
- 1972-03-13 DE DE19727210067 patent/DE7210067U/de not_active Expired
- 1972-03-13 DE DE19722212745 patent/DE2212745C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2128815B1 (enrdf_load_html_response) | 1975-10-24 |
| JPS542861B1 (enrdf_load_html_response) | 1979-02-14 |
| DE2212745C3 (de) | 1978-10-26 |
| NO133912C (enrdf_load_html_response) | 1976-07-14 |
| DE2212745B2 (de) | 1978-02-23 |
| DE7210067U (de) | 1972-06-15 |
| FR2128815A1 (enrdf_load_html_response) | 1972-10-20 |
| SE405765B (sv) | 1978-12-27 |
| DE2212745A1 (de) | 1972-10-26 |
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