NL292013A - - Google Patents
Info
- Publication number
- NL292013A NL292013A NL292013DA NL292013A NL 292013 A NL292013 A NL 292013A NL 292013D A NL292013D A NL 292013DA NL 292013 A NL292013 A NL 292013A
- Authority
- NL
- Netherlands
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL292013A true NL292013A (xx) |
Family
ID=1875422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL292013D NL292013A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL292013A (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4787407A (en) * | 1986-08-28 | 1988-11-29 | Shell Internationale Research Maatschappij B.V. | Method and apparatus for the detection of the fluid level in a tank being filled |
-
0
- NL NL292013D patent/NL292013A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4787407A (en) * | 1986-08-28 | 1988-11-29 | Shell Internationale Research Maatschappij B.V. | Method and apparatus for the detection of the fluid level in a tank being filled |
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