DE3744404C2 - - Google Patents
Info
- Publication number
- DE3744404C2 DE3744404C2 DE19873744404 DE3744404A DE3744404C2 DE 3744404 C2 DE3744404 C2 DE 3744404C2 DE 19873744404 DE19873744404 DE 19873744404 DE 3744404 A DE3744404 A DE 3744404A DE 3744404 C2 DE3744404 C2 DE 3744404C2
- Authority
- DE
- Germany
- Prior art keywords
- liquid
- level
- switch
- membrane
- level controller
- 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 - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims description 44
- 239000012528 membrane Substances 0.000 claims description 20
- 230000002706 hydrostatic effect Effects 0.000 claims description 11
- 238000007667 floating Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 description 7
- 239000000835 fiber Substances 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- DKOQGJHPHLTOJR-WHRDSVKCSA-N cefpirome Chemical compound N([C@@H]1C(N2C(=C(C[N+]=3C=4CCCC=4C=CC=3)CS[C@@H]21)C([O-])=O)=O)C(=O)\C(=N/OC)C1=CSC(N)=N1 DKOQGJHPHLTOJR-WHRDSVKCSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- CBBVHSHLSCZIHD-UHFFFAOYSA-N mercury silver Chemical compound [Ag].[Hg] CBBVHSHLSCZIHD-UHFFFAOYSA-N 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
-
- 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
- G01F23/16—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
- G01F23/164—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid using a diaphragm, bellow as transmitting element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
- G01P13/0066—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using differences of pressure in the fluid
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Non-Electrical Variables (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873744404 DE3744404A1 (de) | 1986-12-31 | 1987-12-29 | Hydrostatischer niveauregler oder stroemungswaechter |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3644827 | 1986-12-31 | ||
| DE19873744404 DE3744404A1 (de) | 1986-12-31 | 1987-12-29 | Hydrostatischer niveauregler oder stroemungswaechter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3744404A1 DE3744404A1 (de) | 1988-07-14 |
| DE3744404C2 true DE3744404C2 (enrdf_load_stackoverflow) | 1990-10-11 |
Family
ID=25850970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873744404 Granted DE3744404A1 (de) | 1986-12-31 | 1987-12-29 | Hydrostatischer niveauregler oder stroemungswaechter |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3744404A1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4000037C2 (de) * | 1990-01-03 | 1997-12-18 | Benkeser Michael | Verfahren und Vorrichtung zum Messen von Füllstandhöhen |
| CN106400665B (zh) * | 2016-11-17 | 2018-07-24 | 西安长大公路养护技术有限公司 | 抬动控制仪 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1773167C3 (de) * | 1968-04-09 | 1974-11-21 | Alfred Teves Gmbh, 6000 Frankfurt | Vorrichtung zur Anzeige eines Grenzwertes eines Flussigkeitsstandes in einem Behalter |
| CH622887A5 (en) * | 1977-08-10 | 1981-04-30 | Albert Hans Fenner | Device for detecting the level of a liquid |
| US4203462A (en) * | 1978-10-02 | 1980-05-20 | The Singer Company | Water level control system |
| DD144113A1 (de) * | 1979-06-01 | 1980-09-24 | Udo Just | Einrichtung zur automatischen auswertung variabler wasserstaende in filterbrunnen |
-
1987
- 1987-12-29 DE DE19873744404 patent/DE3744404A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3744404A1 (de) | 1988-07-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: ITT FLYGT PUMPEN GMBH, 3012 LANGENHAGEN, DE |