FR2173959A1 - - Google Patents
Info
- Publication number
- FR2173959A1 FR2173959A1 FR7302087A FR7302087A FR2173959A1 FR 2173959 A1 FR2173959 A1 FR 2173959A1 FR 7302087 A FR7302087 A FR 7302087A FR 7302087 A FR7302087 A FR 7302087A FR 2173959 A1 FR2173959 A1 FR 2173959A1
- Authority
- FR
- France
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
-
- 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
- G01F23/296—Acoustic waves
- G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7287—Liquid level responsive or maintaining systems
- Y10T137/7303—Control of both inflow and outflow of tank
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Acoustics & Sound (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722203081 DE2203081A1 (de) | 1972-01-22 | 1972-01-22 | Verfahren und vorrichtung zur abstandsmessung zwischen einem ortsfesten und einem ortsveraenderlichen teil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2173959A1 true FR2173959A1 (US07655688-20100202-C00086.png) | 1973-10-12 |
| FR2173959B3 FR2173959B3 (US07655688-20100202-C00086.png) | 1976-01-23 |
Family
ID=5833772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7302087A Expired FR2173959B3 (US07655688-20100202-C00086.png) | 1972-01-22 | 1973-01-22 |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2469459A1 (fr) * | 1979-11-09 | 1981-05-22 | Nippon Kokan Kk | Procede et appareil pour mesurer le niveau de la zone de fusion dans un haut fourneau |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1595194A (en) * | 1977-09-13 | 1981-08-12 | Marconi Co Ltd | Liquid level sensing device |
| DE2835744C2 (de) * | 1978-08-16 | 1985-12-12 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Einrichtung zum kontinuierlichen Messen des Flüssigkeitsstandes in einem Behälter |
| US4400976A (en) * | 1980-07-02 | 1983-08-30 | Purecycle Corporation | Ultrasonic transceiver circuit for level sensing |
| US4523472A (en) * | 1980-07-02 | 1985-06-18 | Purecycle Corporation | Ultrasonic transceiver circuit |
| LU84185A1 (fr) * | 1982-06-07 | 1983-09-02 | Egemin Nv | Appareil de mesure |
| US4858468A (en) * | 1987-06-17 | 1989-08-22 | Fuji Photo Film Co., Ltd. | Method of detecting remaining quantity of replenishing solution |
| US5054318A (en) * | 1990-02-09 | 1991-10-08 | Lew Hyok S | Resonance frequency liquid level sensor |
| DE10207278B4 (de) * | 2002-02-21 | 2007-03-01 | Robert Bosch Gmbh | Verfahren zur Füllstandsbestimmung und Füllstandsmessvorrichtung |
| FR3053107B1 (fr) * | 2016-06-27 | 2018-07-27 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Systeme de stockage thermique par mcp et comprenant un dispositif de mesure d'un parametre representatif du taux de charge |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3106838A (en) * | 1959-12-14 | 1963-10-15 | Lockheed Aircraft Corp | Welded joint tester |
| US3133442A (en) * | 1962-05-23 | 1964-05-19 | Rosemount Eng Co Ltd | Level sensor |
| US3372592A (en) * | 1966-08-22 | 1968-03-12 | Marine Moisture Control Co | Single-wire mechanical wave depth gauge |
| US3540275A (en) * | 1968-02-28 | 1970-11-17 | Bendix Corp | Method and apparatus for measuring liquid volume in a tank |
| US3603149A (en) * | 1969-09-03 | 1971-09-07 | Us Army | Ultrasonic liquid level indicator |
-
0
- BE BE794254D patent/BE794254A/xx unknown
-
1972
- 1972-01-22 DE DE19722203081 patent/DE2203081A1/de active Pending
- 1972-12-07 GB GB5659772A patent/GB1396040A/en not_active Expired
- 1972-12-15 NL NL7217107A patent/NL7217107A/xx unknown
- 1972-12-28 DD DD167957A patent/DD102467A5/xx unknown
-
1973
- 1973-01-12 JP JP48006535A patent/JPS4883852A/ja active Pending
- 1973-01-22 IT IT4804/73A patent/IT976486B/it active
- 1973-01-22 FR FR7302087A patent/FR2173959B3/fr not_active Expired
- 1973-01-22 US US325366A patent/US3874236A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2469459A1 (fr) * | 1979-11-09 | 1981-05-22 | Nippon Kokan Kk | Procede et appareil pour mesurer le niveau de la zone de fusion dans un haut fourneau |
Also Published As
| Publication number | Publication date |
|---|---|
| BE794254A (fr) | 1973-05-16 |
| US3874236A (en) | 1975-04-01 |
| IT976486B (it) | 1974-08-20 |
| FR2173959B3 (US07655688-20100202-C00086.png) | 1976-01-23 |
| DE2203081A1 (de) | 1973-07-26 |
| DD102467A5 (US07655688-20100202-C00086.png) | 1973-12-12 |
| GB1396040A (en) | 1975-05-29 |
| NL7217107A (US07655688-20100202-C00086.png) | 1973-07-24 |
| JPS4883852A (US07655688-20100202-C00086.png) | 1973-11-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |