BE542049A - - Google Patents
Info
- Publication number
- BE542049A BE542049A BE542049DA BE542049A BE 542049 A BE542049 A BE 542049A BE 542049D A BE542049D A BE 542049DA BE 542049 A BE542049 A BE 542049A
- Authority
- BE
- Belgium
- Prior art keywords
- level
- fluid material
- circuit
- controlling
- reservoir
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 36
- 239000000523 sample Substances 0.000 claims description 32
- 239000003990 capacitor Substances 0.000 claims description 27
- 230000005284 excitation Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 7
- 230000035945 sensitivity Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 description 7
- 238000004804 winding Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 210000000709 aorta Anatomy 0.000 description 2
- 241000950314 Figura Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- G01F23/26—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/265—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors for discrete levels
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Control Of Non-Electrical Variables (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE542049A true BE542049A (de) |
Family
ID=170845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE542049D BE542049A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE542049A (de) |
-
0
- BE BE542049D patent/BE542049A/fr unknown
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