DE3304223C2 - - Google Patents
Info
- Publication number
- DE3304223C2 DE3304223C2 DE3304223A DE3304223A DE3304223C2 DE 3304223 C2 DE3304223 C2 DE 3304223C2 DE 3304223 A DE3304223 A DE 3304223A DE 3304223 A DE3304223 A DE 3304223A DE 3304223 C2 DE3304223 C2 DE 3304223C2
- Authority
- DE
- Germany
- 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
- G01F23/26—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
- G01F23/266—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 measuring circuits therefor
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Acoustics & Sound (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833304223 DE3304223A1 (de) | 1983-02-08 | 1983-02-08 | Verfahren und vorrichtung zur feststellung der an- oder abwesenheit eines stoffs an einem detektor oder des abstands zwischen stoff und detektor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833304223 DE3304223A1 (de) | 1983-02-08 | 1983-02-08 | Verfahren und vorrichtung zur feststellung der an- oder abwesenheit eines stoffs an einem detektor oder des abstands zwischen stoff und detektor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3304223A1 DE3304223A1 (de) | 1984-08-16 |
DE3304223C2 true DE3304223C2 (ko) | 1987-02-19 |
Family
ID=6190287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833304223 Granted DE3304223A1 (de) | 1983-02-08 | 1983-02-08 | Verfahren und vorrichtung zur feststellung der an- oder abwesenheit eines stoffs an einem detektor oder des abstands zwischen stoff und detektor |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3304223A1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4402234C1 (de) * | 1994-01-26 | 1995-04-20 | Endress Hauser Gmbh Co | Verfahren und Anordnung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstands in einem Behälter |
DE10207278A1 (de) * | 2002-02-21 | 2003-09-25 | Bosch Gmbh Robert | Verfahren zur Füllstandsbestimmung und Füllstandsmessvorrichtung |
DE19843512B4 (de) * | 1997-09-24 | 2004-02-12 | Georg Ziegler | Rückförderanlage für Bearbeitungsmedien |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2572519B1 (fr) * | 1984-10-25 | 1989-09-22 | Jaeger | Detecteur de niveau a transducteur electro-mecanique |
DE4232659C2 (de) * | 1992-09-29 | 1996-07-25 | Endress Hauser Gmbh Co | Vorrichtung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstands in einem Behälter |
DE4320411C2 (de) * | 1993-06-22 | 1998-07-23 | Pepperl & Fuchs | Vorrichtung zum Feststellen des Erreichens eines vorgegebenen Füllstandes mit einem Schwingstab |
DE4332071C2 (de) * | 1993-09-21 | 1995-09-07 | Endress Hauser Gmbh Co | Verfahren zur Füllstandsmessung nach dem Radarprinzip |
GB9700585D0 (en) * | 1997-01-14 | 1997-03-05 | Smiths Industries Ltd | Fluid detector |
GB0820853D0 (en) | 2008-11-14 | 2008-12-24 | Mobrey Ltd | Vibrating element apparatus |
DE102021133927A1 (de) * | 2021-12-20 | 2023-06-22 | Endress+Hauser SE+Co. KG | Verfahren zur Überprüfung der Funktionstüchtigkeit oder zur Plausibilitätsprüfung eines vibronischen Sensors |
DE102022134038A1 (de) | 2022-12-20 | 2024-06-20 | Endress+Hauser SE+Co. KG | Verfahren zur Erfassung eines Grenzstands eines Mediums mittels eines vibronischen Sensors |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1773815C3 (de) * | 1968-07-10 | 1984-05-30 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Vorrichtung zur Feststellung des Erreichens eines vorbestimmten Füllstands in einem Behälter |
DE2849066C2 (de) * | 1978-11-11 | 1986-07-31 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Einrichtung zur Anzeige des Füllstandes in einem Fahrzeugtank |
-
1983
- 1983-02-08 DE DE19833304223 patent/DE3304223A1/de active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4402234C1 (de) * | 1994-01-26 | 1995-04-20 | Endress Hauser Gmbh Co | Verfahren und Anordnung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstands in einem Behälter |
DE19843512B4 (de) * | 1997-09-24 | 2004-02-12 | Georg Ziegler | Rückförderanlage für Bearbeitungsmedien |
DE10207278A1 (de) * | 2002-02-21 | 2003-09-25 | Bosch Gmbh Robert | Verfahren zur Füllstandsbestimmung und Füllstandsmessvorrichtung |
DE10207278B4 (de) * | 2002-02-21 | 2007-03-01 | Robert Bosch Gmbh | Verfahren zur Füllstandsbestimmung und Füllstandsmessvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE3304223A1 (de) | 1984-08-16 |
Similar Documents
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: VEGA GRIESHABER KG, 77709 WOLFACH, DE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: ENDRESS + HAUSER GMBH + CO, 79689 MAULBURG, DE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: ENDRESS + HAUSER GMBH + CO. KG, 79689 MAULBURG, DE |