NL251283A - - Google Patents
Info
- Publication number
- NL251283A NL251283A NL251283DA NL251283A NL 251283 A NL251283 A NL 251283A NL 251283D A NL251283D A NL 251283DA NL 251283 A NL251283 A NL 251283A
- 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
- G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
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- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS1248319X | 1959-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL251283A true NL251283A (ru) |
Family
ID=5458222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL251283D NL251283A (ru) | 1959-05-06 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1248319B (ru) |
| NL (1) | NL251283A (ru) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3431774A1 (de) * | 1984-08-29 | 1986-03-13 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zur messung des fuellstandes von fluessigkeiten |
| DE102012002011B4 (de) | 2012-02-03 | 2023-12-28 | HELLA GmbH & Co. KGaA | Vorrichtung zur Messung eines Füllstands einer Flüssigkeit, ölgeschmierter Motor und Kraftfahrzeug |
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0
- NL NL251283D patent/NL251283A/xx unknown
-
1960
- 1960-05-05 DE DEZ7978A patent/DE1248319B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1248319B (de) | 1967-08-24 |