GB2108667B - Filling level limit indicator - Google Patents
Filling level limit indicatorInfo
- Publication number
- GB2108667B GB2108667B GB08225937A GB8225937A GB2108667B GB 2108667 B GB2108667 B GB 2108667B GB 08225937 A GB08225937 A GB 08225937A GB 8225937 A GB8225937 A GB 8225937A GB 2108667 B GB2108667 B GB 2108667B
- Authority
- GB
- United Kingdom
- Prior art keywords
- filling level
- level limit
- limit indicator
- indicator
- filling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- G01F23/2967—Acoustic waves making use of acoustical resonance or standing waves for discrete levels
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)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813143515 DE3143515C2 (en) | 1981-11-03 | 1981-11-03 | Ultrasonic level limit switch |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2108667A GB2108667A (en) | 1983-05-18 |
GB2108667B true GB2108667B (en) | 1985-07-17 |
Family
ID=6145460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08225937A Expired GB2108667B (en) | 1981-11-03 | 1982-09-10 | Filling level limit indicator |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3143515C2 (en) |
FR (1) | FR2515817A1 (en) |
GB (1) | GB2108667B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4628951A (en) * | 1984-01-03 | 1986-12-16 | Chemical Data Systems, Inc. | Liquid level detection system for high temperature or pressure environments |
US4644789A (en) * | 1985-12-20 | 1987-02-24 | Clevite Industries Inc. | Liquid level indicator system |
DE3633047A1 (en) * | 1986-09-29 | 1988-04-07 | Endress Hauser Gmbh Co | LEVEL MEASUREMENT DEVICE FOR MEASURING THE LEVEL OF EXPLOSIBLE OR AGGRESIVE MEDIA IN A CONTAINER |
DE3738515A1 (en) * | 1987-11-13 | 1989-05-24 | Bosch Gmbh Robert | FUELLSTANDSANZEIGER |
DE3740598C2 (en) * | 1987-11-30 | 1998-03-26 | Grieshaber Vega Kg | Vibrating unit for level vibration limit switch |
DE3938742C2 (en) * | 1989-11-23 | 1997-10-23 | Gok Gmbh & Co Kg | Device for redundant overfill prevention |
DE10331730A1 (en) | 2003-07-11 | 2005-01-27 | Endress + Hauser Gmbh + Co. Kg | Field unit for measuring density, viscosity or height of a medium in a tank has a vibration unit made up of three vibration bodes with a clamping region for transferring reaction forces and moments to a process connection |
DE10350086B4 (en) * | 2003-10-27 | 2007-11-08 | Siemens Ag | Sensor device for detecting a level or a viscosity of a fluid |
-
1981
- 1981-11-03 DE DE19813143515 patent/DE3143515C2/en not_active Expired
-
1982
- 1982-08-31 FR FR8214906A patent/FR2515817A1/en not_active Withdrawn
- 1982-09-10 GB GB08225937A patent/GB2108667B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3143515A1 (en) | 1983-05-11 |
DE3143515C2 (en) | 1984-11-29 |
FR2515817A1 (en) | 1983-05-06 |
GB2108667A (en) | 1983-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |