SE9703980D0 - Nivågivare - Google Patents
NivågivareInfo
- Publication number
- SE9703980D0 SE9703980D0 SE9703980A SE9703980A SE9703980D0 SE 9703980 D0 SE9703980 D0 SE 9703980D0 SE 9703980 A SE9703980 A SE 9703980A SE 9703980 A SE9703980 A SE 9703980A SE 9703980 D0 SE9703980 D0 SE 9703980D0
- Authority
- SE
- Sweden
- Prior art keywords
- radiation
- emitter
- medium
- reflective device
- chosen
- Prior art date
Links
- 230000005855 radiation Effects 0.000 abstract 5
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
- G01F23/28—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
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
-
- 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
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
- G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
- G01F23/2928—Light, e.g. infrared or ultraviolet for discrete levels using light reflected on the material surface
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9703980A SE511605C2 (sv) | 1997-10-30 | 1997-10-30 | Nivågivare |
EP98953121A EP1032807A1 (en) | 1997-10-30 | 1998-10-29 | A level detector |
PCT/SE1998/001959 WO1999026044A1 (sv) | 1997-10-30 | 1998-10-29 | A level detector |
AU10575/99A AU1057599A (en) | 1997-10-30 | 1998-10-29 | A level detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9703980A SE511605C2 (sv) | 1997-10-30 | 1997-10-30 | Nivågivare |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9703980D0 true SE9703980D0 (sv) | 1997-10-30 |
SE9703980L SE9703980L (sv) | 1999-05-01 |
SE511605C2 SE511605C2 (sv) | 1999-10-25 |
Family
ID=20408813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9703980A SE511605C2 (sv) | 1997-10-30 | 1997-10-30 | Nivågivare |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1032807A1 (sv) |
AU (1) | AU1057599A (sv) |
SE (1) | SE511605C2 (sv) |
WO (1) | WO1999026044A1 (sv) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006014277A1 (de) | 2006-03-23 | 2007-09-27 | M.U.T Aviation-Technology Gmbh | Vorrichtung und Verfahren zur kontinuierlichen optischen Bestimmung des Füllstands von Flüssigkeiten in Flüssigkeitsvorratsbehältern von Fahrzeugen oder Flugzeugen |
CA2739362A1 (en) * | 2011-05-06 | 2012-11-06 | Gotohti.Com Inc. | Fluid level gauge |
US8283647B2 (en) * | 2009-07-22 | 2012-10-09 | Eastman Kodak Company | Developer liquid level sensor |
DE102018200363B3 (de) | 2018-01-11 | 2019-03-21 | Robert Bosch Gmbh | Messvorrichtung zur Füllstandüberwachung und differenziellen Messung des optischen Brechungsindex |
DE102019208563A1 (de) * | 2019-06-12 | 2020-12-17 | Volkswagen Aktiengesellschaft | Optischer Flüssigkeitssensor und Verfahren zur optischen Detektion von Flüssigkeiten |
-
1997
- 1997-10-30 SE SE9703980A patent/SE511605C2/sv unknown
-
1998
- 1998-10-29 EP EP98953121A patent/EP1032807A1/en not_active Withdrawn
- 1998-10-29 WO PCT/SE1998/001959 patent/WO1999026044A1/sv not_active Application Discontinuation
- 1998-10-29 AU AU10575/99A patent/AU1057599A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU1057599A (en) | 1999-06-07 |
EP1032807A1 (en) | 2000-09-06 |
WO1999026044A1 (sv) | 1999-05-27 |
SE511605C2 (sv) | 1999-10-25 |
SE9703980L (sv) | 1999-05-01 |
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