DE2139865B2 - Fuellstandsanzeiger oder zustandsdetektor mit einem durch eine trennwand hindurchgefuehrten, im wesentlichen geraden lichtleiterstab - Google Patents
Fuellstandsanzeiger oder zustandsdetektor mit einem durch eine trennwand hindurchgefuehrten, im wesentlichen geraden lichtleiterstabInfo
- Publication number
- DE2139865B2 DE2139865B2 DE19712139865 DE2139865A DE2139865B2 DE 2139865 B2 DE2139865 B2 DE 2139865B2 DE 19712139865 DE19712139865 DE 19712139865 DE 2139865 A DE2139865 A DE 2139865A DE 2139865 B2 DE2139865 B2 DE 2139865B2
- Authority
- DE
- Germany
- Prior art keywords
- guide rod
- light guide
- level indicator
- light
- condition detector
- 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.)
- Granted
Links
- 238000005192 partition Methods 0.000 title claims description 18
- 230000005855 radiation Effects 0.000 claims description 25
- 210000000056 organ Anatomy 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000013508 migration Methods 0.000 claims description 2
- 230000005012 migration Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 11
- 238000007654 immersion Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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
- G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
- G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
- G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting 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
- G01F23/28—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
- G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
- G01F23/2924—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms for several discrete levels, e.g. with more than one light-conducting sensing element
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 (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712139865 DE2139865B2 (de) | 1971-08-09 | 1971-08-09 | Fuellstandsanzeiger oder zustandsdetektor mit einem durch eine trennwand hindurchgefuehrten, im wesentlichen geraden lichtleiterstab |
| CH1118272A CH567714A5 (Direct) | 1971-08-09 | 1972-07-25 | |
| NL7210710A NL7210710A (Direct) | 1971-08-09 | 1972-08-04 | |
| GB3668772A GB1387672A (en) | 1971-08-09 | 1972-08-07 | Liquid level indicators |
| BE787319A BE787319A (fr) | 1971-08-09 | 1972-08-08 | Indicateur ou detecteur de niveau de remplissage |
| FR7229247A FR2148650B1 (Direct) | 1971-08-09 | 1972-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712139865 DE2139865B2 (de) | 1971-08-09 | 1971-08-09 | Fuellstandsanzeiger oder zustandsdetektor mit einem durch eine trennwand hindurchgefuehrten, im wesentlichen geraden lichtleiterstab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2139865A1 DE2139865A1 (de) | 1973-02-15 |
| DE2139865B2 true DE2139865B2 (de) | 1976-12-02 |
Family
ID=5816253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712139865 Granted DE2139865B2 (de) | 1971-08-09 | 1971-08-09 | Fuellstandsanzeiger oder zustandsdetektor mit einem durch eine trennwand hindurchgefuehrten, im wesentlichen geraden lichtleiterstab |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE787319A (Direct) |
| CH (1) | CH567714A5 (Direct) |
| DE (1) | DE2139865B2 (Direct) |
| FR (1) | FR2148650B1 (Direct) |
| GB (1) | GB1387672A (Direct) |
| NL (1) | NL7210710A (Direct) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3617717A1 (de) * | 1986-05-27 | 1987-12-03 | Siemens Ag | Faseroptischer fuellstandssensor |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU524951B2 (en) * | 1978-04-19 | 1982-10-14 | See Probe Electronics Pty. Ltd. | L.e.d. reflectance fluid level indicator |
| DE8218877U1 (de) * | 1982-07-01 | 1982-10-07 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Einrichtung insbesondere an gechirrspuelmaschinen zurniveauregelung |
| FR2531530B1 (fr) * | 1982-08-06 | 1988-05-27 | Fayollet Roland | Dispositif de detection optique d'un niveau de liquide |
| DE3423580A1 (de) * | 1984-06-27 | 1986-01-02 | Degussa Ag, 6000 Frankfurt | Verfahren zur behandlung von fluidisiertem russ mit gasen, fliessbettapparatur zur durchfuehrung des verfahrens und in der apparatur verwendbarer grenzwertgeber |
| DE3526266A1 (de) * | 1985-07-23 | 1987-02-05 | Fraunhofer Ges Forschung | Optischer fuellstandssensor |
| US5279157A (en) * | 1992-08-03 | 1994-01-18 | Casco Products Corporation | Liquid level monitor |
| DE102014209734A1 (de) * | 2014-05-22 | 2015-11-26 | BSH Hausgeräte GmbH | Trockner mit interner Reinigung eines Wasserstandssensors sowie Verfahren zu dessen Betrieb |
| DE102016217926A1 (de) * | 2016-09-19 | 2018-03-22 | Continental Automotive Gmbh | Füllstandsmessvorrichtung mit einem Messrohr und Abdeckvorrichtung für die Füllstandsmessvorrichtung |
-
1971
- 1971-08-09 DE DE19712139865 patent/DE2139865B2/de active Granted
-
1972
- 1972-07-25 CH CH1118272A patent/CH567714A5/xx not_active IP Right Cessation
- 1972-08-04 NL NL7210710A patent/NL7210710A/xx not_active Application Discontinuation
- 1972-08-07 GB GB3668772A patent/GB1387672A/en not_active Expired
- 1972-08-08 FR FR7229247A patent/FR2148650B1/fr not_active Expired
- 1972-08-08 BE BE787319A patent/BE787319A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3617717A1 (de) * | 1986-05-27 | 1987-12-03 | Siemens Ag | Faseroptischer fuellstandssensor |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7210710A (Direct) | 1973-02-13 |
| CH567714A5 (Direct) | 1975-10-15 |
| GB1387672A (en) | 1975-03-19 |
| DE2139865A1 (de) | 1973-02-15 |
| FR2148650A1 (Direct) | 1973-03-23 |
| FR2148650B1 (Direct) | 1976-03-12 |
| BE787319A (fr) | 1972-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |