SE371691B - - Google Patents
Info
- Publication number
- SE371691B SE371691B SE7301902A SE7301902A SE371691B SE 371691 B SE371691 B SE 371691B SE 7301902 A SE7301902 A SE 7301902A SE 7301902 A SE7301902 A SE 7301902A SE 371691 B SE371691 B SE 371691B
- Authority
- SE
- Sweden
Links
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
- G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ink Jet (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7301902A SE371691B (en) | 1973-02-12 | 1973-02-12 | |
| GB797174A GB1411208A (en) | 1973-02-12 | 1974-02-05 | Apparatus for measuring liquid level |
| DE19742405991 DE2405991C3 (en) | 1973-02-12 | 1974-02-08 | Device for measuring the liquid level |
| IT48265/74A IT1008221B (en) | 1973-02-12 | 1974-02-11 | IMPROVEMENT IN DEVICES FOR MEASURING THE LEVEL OF LIQUID IN TANKS |
| NO740455A NO136861C (en) | 1973-02-12 | 1974-02-11 | DEVICE FOR MEASUREMENT OF LEVELS ON A LIQUID. |
| DK69674AA DK138617B (en) | 1973-02-12 | 1974-02-11 | Device for measuring liquid level. |
| FR7404562A FR2217678B1 (en) | 1973-02-12 | 1974-02-11 | |
| JP1708374A JPS5427149B2 (en) | 1973-02-12 | 1974-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7301902A SE371691B (en) | 1973-02-12 | 1973-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE371691B true SE371691B (en) | 1974-11-25 |
Family
ID=20316601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7301902A SE371691B (en) | 1973-02-12 | 1973-02-12 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5427149B2 (en) |
| DK (1) | DK138617B (en) |
| FR (1) | FR2217678B1 (en) |
| GB (1) | GB1411208A (en) |
| IT (1) | IT1008221B (en) |
| NO (1) | NO136861C (en) |
| SE (1) | SE371691B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1555799A (en) * | 1976-10-25 | 1979-11-14 | Secretary Industry Brit | Arc welding |
| GB1595194A (en) * | 1977-09-13 | 1981-08-12 | Marconi Co Ltd | Liquid level sensing device |
| JP6270055B2 (en) * | 2014-12-26 | 2018-01-31 | 日本精機株式会社 | Liquid level detector |
-
1973
- 1973-02-12 SE SE7301902A patent/SE371691B/xx unknown
-
1974
- 1974-02-05 GB GB797174A patent/GB1411208A/en not_active Expired
- 1974-02-11 DK DK69674AA patent/DK138617B/en unknown
- 1974-02-11 NO NO740455A patent/NO136861C/en unknown
- 1974-02-11 IT IT48265/74A patent/IT1008221B/en active
- 1974-02-11 FR FR7404562A patent/FR2217678B1/fr not_active Expired
- 1974-02-12 JP JP1708374A patent/JPS5427149B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO740455L (en) | 1974-08-13 |
| JPS5041578A (en) | 1975-04-16 |
| FR2217678A1 (en) | 1974-09-06 |
| NO136861B (en) | 1977-08-08 |
| NO136861C (en) | 1977-11-16 |
| DK138617B (en) | 1978-10-02 |
| JPS5427149B2 (en) | 1979-09-07 |
| IT1008221B (en) | 1976-11-10 |
| GB1411208A (en) | 1975-10-22 |
| FR2217678B1 (en) | 1978-10-27 |
| DE2405991A1 (en) | 1974-08-22 |
| DE2405991B2 (en) | 1976-06-10 |
| DK138617C (en) | 1979-03-12 |