CH467997A - Indicateur du niveau d'un liquide - Google Patents
Indicateur du niveau d'un liquideInfo
- Publication number
- CH467997A CH467997A CH1375366A CH1375366A CH467997A CH 467997 A CH467997 A CH 467997A CH 1375366 A CH1375366 A CH 1375366A CH 1375366 A CH1375366 A CH 1375366A CH 467997 A CH467997 A CH 467997A
- Authority
- CH
- Switzerland
- Prior art keywords
- liquid level
- level indicator
- indicator
- liquid
- level
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Optical Measuring Cells (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US529019A US3417614A (en) | 1966-02-21 | 1966-02-21 | Liquid level indicator |
Publications (1)
Publication Number | Publication Date |
---|---|
CH467997A true CH467997A (fr) | 1969-01-31 |
Family
ID=24108171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1375366A CH467997A (fr) | 1966-02-21 | 1966-09-23 | Indicateur du niveau d'un liquide |
Country Status (6)
Country | Link |
---|---|
US (1) | US3417614A (fr) |
BE (1) | BE686180A (fr) |
CH (1) | CH467997A (fr) |
DE (1) | DE1549000C3 (fr) |
GB (1) | GB1172152A (fr) |
NL (1) | NL6611911A (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3543581A (en) * | 1969-02-06 | 1970-12-01 | Illinois Tool Works | Liquid level indicator |
US3597973A (en) * | 1969-09-08 | 1971-08-10 | Illinois Tool Works | Combined level indicator and hydrometer |
US3597972A (en) * | 1969-09-08 | 1971-08-10 | Illinois Tool Works | Combined level indicator and hydrometer |
US3597971A (en) * | 1969-09-08 | 1971-08-10 | Illinois Tool Works | Combined level indicator and hydrometer |
US3847581A (en) * | 1973-07-02 | 1974-11-12 | Owens Illinois Inc | Glassmaking diameter sensing |
JPS5255756U (fr) * | 1975-10-20 | 1977-04-22 | ||
JPS5654425U (fr) * | 1979-09-29 | 1981-05-13 | ||
US4311048A (en) * | 1980-02-21 | 1982-01-19 | Trw, Inc. | Liquid level sensing means |
US4657870A (en) * | 1984-04-23 | 1987-04-14 | Ryder International Corporation | Incubator optical system for viewing sterilization indicator |
US6173609B1 (en) | 1997-06-20 | 2001-01-16 | Optical Sensor Consultants, Inc. | Optical level sensor |
US7161165B2 (en) * | 2004-07-07 | 2007-01-09 | Opti Sensor Systems, Llc | Optical transducer for continuously determining liquid level |
US7228737B2 (en) * | 2004-08-06 | 2007-06-12 | Illinois Tool Works Inc | Hydrometer/fluid level sensor |
US7430907B2 (en) * | 2004-08-06 | 2008-10-07 | Illinois Tool Works Inc. | Hydrometer/fluid level sensor |
US20070240627A1 (en) * | 2006-04-18 | 2007-10-18 | Summer Mark J | Fluid lever indicator protection sleeve |
JP5718232B2 (ja) | 2008-09-17 | 2015-05-13 | レスメド・リミテッドResMedLimited | 呼吸用ガスの加湿 |
ES2588703T3 (es) | 2009-12-07 | 2016-11-04 | Meso Scale Technologies, Llc. | Un cartucho de ensayo |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA490441A (fr) * | 1953-02-10 | E. Van Ham Ernest | Dispositif d'inspection directe pour usage avec recipient a liquide | |
US1883971A (en) * | 1929-08-10 | 1932-10-25 | Constant J Kryzanowsky | Signaling device |
GB672539A (en) * | 1950-02-07 | 1952-05-21 | Oldham & Son Ltd | Improvements in or relating to liquid level indicators more particularly for electrical storage cells or batteries |
US2767754A (en) * | 1952-02-13 | 1956-10-23 | Frederick E Lederer | Plastic container |
US3273267A (en) * | 1965-10-22 | 1966-09-20 | Mc Graw Edison Co | Water level indicator for electric iron |
-
1966
- 1966-02-21 US US529019A patent/US3417614A/en not_active Expired - Lifetime
- 1966-08-24 NL NL6611911A patent/NL6611911A/xx unknown
- 1966-08-30 BE BE686180D patent/BE686180A/xx unknown
- 1966-09-23 CH CH1375366A patent/CH467997A/fr unknown
- 1966-10-29 DE DE1549000A patent/DE1549000C3/de not_active Expired
-
1967
- 1967-02-17 GB GB7778/67A patent/GB1172152A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1549000B2 (de) | 1974-08-15 |
US3417614A (en) | 1968-12-24 |
BE686180A (fr) | 1967-02-01 |
DE1549000A1 (de) | 1970-01-08 |
GB1172152A (en) | 1969-11-26 |
DE1549000C3 (de) | 1975-04-24 |
NL6611911A (fr) | 1967-08-22 |
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