BE686180A - - Google Patents
Info
- Publication number
- BE686180A BE686180A BE686180DA BE686180A BE 686180 A BE686180 A BE 686180A BE 686180D A BE686180D A BE 686180DA BE 686180 A BE686180 A BE 686180A
- Authority
- BE
- Belgium
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
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)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Optical Measuring Cells (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 |
|---|---|
| BE686180A true BE686180A (de) | 1967-02-01 |
Family
ID=24108171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE686180D BE686180A (de) | 1966-02-21 | 1966-08-30 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3417614A (de) |
| BE (1) | BE686180A (de) |
| CH (1) | CH467997A (de) |
| DE (1) | DE1549000C3 (de) |
| GB (1) | GB1172152A (de) |
| NL (1) | NL6611911A (de) |
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 |
| US3597971A (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 |
| US3847581A (en) * | 1973-07-02 | 1974-11-12 | Owens Illinois Inc | Glassmaking diameter sensing |
| JPS5255756U (de) * | 1975-10-20 | 1977-04-22 | ||
| JPS5654425U (de) * | 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 |
| WO2010031126A1 (en) | 2008-09-17 | 2010-03-25 | Resmed Ltd | Humidification of respiratory gases |
| 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 (en) * | 1953-02-10 | E. Van Ham Ernest | Direct inspection device for use with liquid container | |
| 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 |
|---|---|
| GB1172152A (en) | 1969-11-26 |
| US3417614A (en) | 1968-12-24 |
| NL6611911A (de) | 1967-08-22 |
| DE1549000C3 (de) | 1975-04-24 |
| DE1549000B2 (de) | 1974-08-15 |
| CH467997A (fr) | 1969-01-31 |
| DE1549000A1 (de) | 1970-01-08 |