SE350122B - - Google Patents
Info
- Publication number
- SE350122B SE350122B SE1504769A SE1504769A SE350122B SE 350122 B SE350122 B SE 350122B SE 1504769 A SE1504769 A SE 1504769A SE 1504769 A SE1504769 A SE 1504769A SE 350122 B SE350122 B SE 350122B
- 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
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1504769A SE350122B (it) | 1969-11-03 | 1969-11-03 | |
| DE19702053316 DE2053316A1 (de) | 1969-11-03 | 1970-10-30 | Verfahren und Vorrichtung zur Niveau bestimmung von Schlammschichten in Sedimen tierungsanlagen, Teichen oder dergl |
| GB5174370A GB1288131A (it) | 1969-11-03 | 1970-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1504769A SE350122B (it) | 1969-11-03 | 1969-11-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE350122B true SE350122B (it) | 1972-10-16 |
Family
ID=20300051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1504769A SE350122B (it) | 1969-11-03 | 1969-11-03 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2053316A1 (it) |
| GB (1) | GB1288131A (it) |
| SE (1) | SE350122B (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3248243A1 (de) * | 1982-12-28 | 1984-06-28 | Bernd Dipl.-Ing. 6000 Frankfurt Ambrosius | Vorrichtung zur truebungsmessung von fluessigkeiten, insbesondere zur bestimmung des schlammspiegels in absetzbecken von klaeranlagen |
| IT1171723B (it) * | 1983-10-06 | 1987-06-10 | Sernagiotto Off Mec | Apparecchiatura automatica di controllo della sedimentazione dei fanghi presenti nei liquami in fase di depurazione |
| US4880982A (en) * | 1987-11-17 | 1989-11-14 | Impex Production & Development A/S (Ltd.) | Fluid indicator for a containment vessel |
| DE19705959C2 (de) * | 1997-02-17 | 1999-09-02 | Bfi Automation Gmbh | Verfahren und Vorrichtung zur Sichttiefenbestimmung |
-
1969
- 1969-11-03 SE SE1504769A patent/SE350122B/xx unknown
-
1970
- 1970-10-30 GB GB5174370A patent/GB1288131A/en not_active Expired
- 1970-10-30 DE DE19702053316 patent/DE2053316A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2053316A1 (de) | 1971-05-13 |
| GB1288131A (it) | 1972-09-06 |