FR2244985A1 - Liquid level transducer giving electric output - can be used in drain pipes from tanks in which liquid level is controlled - Google Patents
Liquid level transducer giving electric output - can be used in drain pipes from tanks in which liquid level is controlledInfo
- Publication number
- FR2244985A1 FR2244985A1 FR7346466A FR7346466A FR2244985A1 FR 2244985 A1 FR2244985 A1 FR 2244985A1 FR 7346466 A FR7346466 A FR 7346466A FR 7346466 A FR7346466 A FR 7346466A FR 2244985 A1 FR2244985 A1 FR 2244985A1
- Authority
- FR
- France
- Prior art keywords
- liquid level
- controlled
- drain pipes
- tanks
- electric output
- 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.)
- Granted
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
- G01F23/24—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 variations of resistance of resistors due to contact with conductor fluid
- G01F23/241—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 variations of resistance of resistors due to contact with conductor fluid for discrete levels
- G01F23/242—Mounting arrangements for electrodes
-
- 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
- G01F23/14—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 measurement of pressure
- G01F23/18—Indicating, recording or alarm devices actuated electrically
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Level Indicators Using A Float (AREA)
- Control Of Non-Electrical Variables (AREA)
Abstract
A liquid level transducer may be used directly in the supply or drain pipes from the bottom of the tank in which the liquid level is to be controlled. Essentially, the device consists of an air-tight chamber to the bottom of which the liquid concerned has access. This is mounted on the drain pipe at the base of the tank or system. As the pressure of the liquid changes, so does the level of the surface in the airtight chamber, according to a relationship depending on the pressure of the air in that chamber. Two electrodes in the chamber detect when the liquid level reaches a point requiring some action.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732348225 DE2348225C3 (en) | 1973-09-25 | Liquid level indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2244985A1 true FR2244985A1 (en) | 1975-04-18 |
| FR2244985B1 FR2244985B1 (en) | 1978-03-24 |
Family
ID=5893608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7346466A Granted FR2244985A1 (en) | 1973-09-25 | 1973-12-27 | Liquid level transducer giving electric output - can be used in drain pipes from tanks in which liquid level is controlled |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2244985A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776626A (en) * | 2021-08-13 | 2021-12-10 | 杭州海芯达科技有限公司 | Anti-fluctuation liquid level measuring device |
-
1973
- 1973-12-27 FR FR7346466A patent/FR2244985A1/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776626A (en) * | 2021-08-13 | 2021-12-10 | 杭州海芯达科技有限公司 | Anti-fluctuation liquid level measuring device |
| CN113776626B (en) * | 2021-08-13 | 2023-10-20 | 杭州海芯达科技有限公司 | Anti-fluctuation liquid level measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2244985B1 (en) | 1978-03-24 |
| DE2348225A1 (en) | 1975-04-10 |
| DE2348225B2 (en) | 1976-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |