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
Application number
DE3304223A
Other languages
German (de)
Other versions
DE3304223A1 (de
Inventor
Wolfram 7615 Zell De Dreher
Bernd 7612 Haslach De Storz
Hubert 7624 Wolfach-Kinzigtal De Noell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Endress and Hauser SE and Co KG
Original Assignee
Vega Grieshaber KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vega Grieshaber KG filed Critical Vega Grieshaber KG
Priority to DE19833304223 priority Critical patent/DE3304223A1/de
Publication of DE3304223A1 publication Critical patent/DE3304223A1/de
Application granted granted Critical
Publication of DE3304223C2 publication Critical patent/DE3304223C2/de
Granted legal-status Critical Current

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)
DE19833304223 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 Granted DE3304223A1 (de)

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 (ro) 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 (ro)

Cited By (3)

* Cited by examiner, † Cited by third party
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 (7)

* Cited by examiner, † Cited by third party
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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

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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: 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