NL7210710A - - Google Patents
Info
- Publication number
- NL7210710A NL7210710A NL7210710A NL7210710A NL7210710A NL 7210710 A NL7210710 A NL 7210710A NL 7210710 A NL7210710 A NL 7210710A NL 7210710 A NL7210710 A NL 7210710A NL 7210710 A NL7210710 A NL 7210710A
- Authority
- NL
- Netherlands
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
- G01F23/28—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)
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 (1)
Publication Number | Publication Date |
---|---|
NL7210710A true NL7210710A (xx) | 1973-02-13 |
Family
ID=5816253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7210710A NL7210710A (xx) | 1971-08-09 | 1972-08-04 |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE787319A (xx) |
CH (1) | CH567714A5 (xx) |
DE (1) | DE2139865B2 (xx) |
FR (1) | FR2148650B1 (xx) |
GB (1) | GB1387672A (xx) |
NL (1) | NL7210710A (xx) |
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 |
DE3617717C2 (de) * | 1986-05-27 | 1995-08-17 | Siemens Ag | Faseroptischer Füllstandssensor |
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 |
-
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
Also Published As
Publication number | Publication date |
---|---|
GB1387672A (en) | 1975-03-19 |
FR2148650B1 (xx) | 1976-03-12 |
BE787319A (fr) | 1972-12-01 |
DE2139865A1 (de) | 1973-02-15 |
CH567714A5 (xx) | 1975-10-15 |
DE2139865B2 (de) | 1976-12-02 |
FR2148650A1 (xx) | 1973-03-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |