FR2158518A1 - - Google Patents
Info
- Publication number
- FR2158518A1 FR2158518A1 FR7239030A FR7239030A FR2158518A1 FR 2158518 A1 FR2158518 A1 FR 2158518A1 FR 7239030 A FR7239030 A FR 7239030A FR 7239030 A FR7239030 A FR 7239030A FR 2158518 A1 FR2158518 A1 FR 2158518A1
- 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
-
- 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
- G01F23/2962—Measuring transit time of reflected 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/902—Speed of sound compensation
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/908—Material level detection, e.g. liquid level
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5161371A GB1411223A (en) | 1971-11-05 | 1971-11-05 | Apparatus and method for measuring the level of the contents of a container |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2158518A1 true FR2158518A1 (fr) | 1973-06-15 |
FR2158518B1 FR2158518B1 (fr) | 1979-04-13 |
Family
ID=10460713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7239030A Expired FR2158518B1 (fr) | 1971-11-05 | 1972-11-03 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3834233A (fr) |
JP (1) | JPS4981069A (fr) |
ES (1) | ES408289A1 (fr) |
FR (1) | FR2158518B1 (fr) |
GB (1) | GB1411223A (fr) |
IT (1) | IT970244B (fr) |
NL (1) | NL7214899A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2328951A1 (fr) * | 1975-10-24 | 1977-05-20 | Endress Hauser Gmbh Co | Sonde a echo sonore, pour determiner un niveau dans une chambre de mesure |
FR2558589A1 (fr) * | 1984-01-25 | 1985-07-26 | Poncet Pierre | Procede et appareil de mesure du niveau d'un liquide, tel que l'acier en fusion, recouvert d'une couche surnageante de laitier ou autre |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4130018A (en) * | 1977-08-30 | 1978-12-19 | Envirotech Corporation | Ultrasonic transducer with reference reflector |
US4210969A (en) * | 1978-03-13 | 1980-07-01 | The Stoneleigh Trust | Sonic ranging systems to eliminate errors due to variations in the sound velocity in the medium |
US4196406A (en) * | 1978-06-12 | 1980-04-01 | General Electric Company | Ultrasonic control device |
US4193049A (en) * | 1978-06-12 | 1980-03-11 | Deere & Company | Ultrasonic touch control panel |
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 |
US4470299A (en) * | 1982-01-04 | 1984-09-11 | Fischer & Porter Company | Ultrasonic liquid level meter |
US4494224A (en) * | 1982-07-16 | 1985-01-15 | Morrell David J | Pipe measuring method and apparatus |
DK147718C (da) * | 1982-07-21 | 1985-05-13 | Nils Jensen | Ultralydapparat til niveaumaaling i tanke eller lignende forraadsrum |
US4815323A (en) * | 1985-06-28 | 1989-03-28 | Simmonds Precision Products, Inc. | Ultrasonic fuel quantity gauging system |
US4644789A (en) * | 1985-12-20 | 1987-02-24 | Clevite Industries Inc. | Liquid level indicator system |
NO174309C (no) * | 1987-04-24 | 1994-04-13 | Norske Stats Oljeselskap | Elektroakustisk transducer for anordning i et gassformig fluid, særlig for måling av strömningsghastigheten i et rör under eksplosjonsfarlige forhol |
NO161882C (no) * | 1987-04-24 | 1989-10-04 | Norske Stats Oljeselskap | Med ultralyd arbeidende transduseranordning for maaling avstroemningshastigheten til et fluidum i et roer. |
US4790183A (en) * | 1987-05-05 | 1988-12-13 | Beckman Instruments, Inc. | Acoustic impedance system for liquid boundary level detection |
US4762425A (en) * | 1987-10-15 | 1988-08-09 | Parthasarathy Shakkottai | System for temperature profile measurement in large furnances and kilns and method therefor |
US4938066A (en) * | 1988-01-29 | 1990-07-03 | Xecutek Corporation | Ultrasonic apparatus for measuring the speed of sound in a gaseous medium |
US5031493A (en) * | 1988-03-07 | 1991-07-16 | Xecutek Corporation | Ultrasonic control system for cut-off or shearing machines |
US4807201A (en) * | 1988-03-25 | 1989-02-21 | Illinois State University | Groundwater pressure measurement |
GB8823391D0 (en) * | 1988-10-05 | 1988-11-09 | Geotechnical Instr Uk Ltd | Measuring liquid level |
US4928525A (en) * | 1989-03-02 | 1990-05-29 | Aderholt Gary L | Sonic tank inventory control system and method |
WO1991002950A1 (fr) * | 1989-08-22 | 1991-03-07 | Siemens Aktiengesellschaft | Procede et dispositif de mesure en vue de determiner le niveau dans des recipients a liquides, de preference des installations de reservoirs, et utilisation d'un tube conducteur du son |
US5073253A (en) * | 1990-07-11 | 1991-12-17 | Phillips Petroleum Company | Froth level measurement |
US5251482A (en) * | 1990-07-16 | 1993-10-12 | Hughes Aircraft Company | Low frequency acoustic fuel sensor |
US5085077A (en) * | 1991-01-07 | 1992-02-04 | Capscan Sales Incorporate | Ultrasonic liquid measuring device for use in storage tanks containing liquids having a non-uniform vapor density |
DE4118793C2 (de) * | 1991-06-07 | 1995-02-09 | Endress Hauser Gmbh Co | Vorrichtung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstandes in einem Behälter |
DE4240690C2 (de) * | 1992-03-24 | 1995-03-16 | Endress Hauser Gmbh Co | Ultraschallwandler |
CA2136630A1 (fr) * | 1992-06-08 | 1993-12-23 | John E. Waylet, Jr. | Systeme de distribution de liquide |
FR2721711B1 (fr) * | 1994-06-24 | 1996-07-26 | Gec Alsthom Stein Ind | Dispositif de mesure de la quantité de charbon dans un broyeur à boulets. |
GB0105064D0 (en) * | 2001-03-01 | 2001-04-18 | Electronic Product Design Ltd | Apparatus and method of fluid level measurement |
GB2393251A (en) * | 2001-07-16 | 2004-03-24 | Fendall Burian | Method for determining the relative elevation of points in a near-shore area and measuring device for establishing a stable instantaneous water level |
US6990046B2 (en) * | 2002-08-15 | 2006-01-24 | Gluszyk Jozef J | Sonar transducer |
DE102005062389A1 (de) * | 2005-12-23 | 2007-06-28 | Endress + Hauser Gmbh + Co. Kg | Sensorsystem zur Bestimmung einer physikalischen Messgröße |
US8701483B2 (en) * | 2010-12-16 | 2014-04-22 | Vega Grieshaber Kg | Device for emulsion measuring by means of a standpipe |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1329765A (fr) * | 1962-05-30 | 1963-06-14 | Centre Nat Rech Metall | Procédé et dispositif pour la détermination du niveau de la charge dans une enceinte |
US3184969A (en) * | 1963-06-10 | 1965-05-25 | Gen Signal Corp | Liquid level indication system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2753542A (en) * | 1953-09-03 | 1956-07-03 | Bogue Elec Mfg Co | Calibrated apparatus for measuring liquid levels |
US2990543A (en) * | 1956-05-18 | 1961-06-27 | Acoustica Associates Inc | Sensing the presence or absence of material |
JPS4831863B1 (fr) * | 1965-03-08 | 1973-10-02 |
-
1971
- 1971-11-05 GB GB5161371A patent/GB1411223A/en not_active Expired
-
1972
- 1972-11-03 US US00303408A patent/US3834233A/en not_active Expired - Lifetime
- 1972-11-03 NL NL7214899A patent/NL7214899A/xx not_active Application Discontinuation
- 1972-11-03 FR FR7239030A patent/FR2158518B1/fr not_active Expired
- 1972-11-04 ES ES408289A patent/ES408289A1/es not_active Expired
- 1972-11-06 IT IT31330/72A patent/IT970244B/it active
- 1972-11-06 JP JP47111093A patent/JPS4981069A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1329765A (fr) * | 1962-05-30 | 1963-06-14 | Centre Nat Rech Metall | Procédé et dispositif pour la détermination du niveau de la charge dans une enceinte |
US3184969A (en) * | 1963-06-10 | 1965-05-25 | Gen Signal Corp | Liquid level indication system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2328951A1 (fr) * | 1975-10-24 | 1977-05-20 | Endress Hauser Gmbh Co | Sonde a echo sonore, pour determiner un niveau dans une chambre de mesure |
FR2558589A1 (fr) * | 1984-01-25 | 1985-07-26 | Poncet Pierre | Procede et appareil de mesure du niveau d'un liquide, tel que l'acier en fusion, recouvert d'une couche surnageante de laitier ou autre |
Also Published As
Publication number | Publication date |
---|---|
GB1411223A (en) | 1975-10-22 |
ES408289A1 (es) | 1976-02-01 |
DE2253958A1 (de) | 1973-05-24 |
FR2158518B1 (fr) | 1979-04-13 |
IT970244B (it) | 1974-04-10 |
US3834233A (en) | 1974-09-10 |
NL7214899A (fr) | 1973-05-08 |
JPS4981069A (fr) | 1974-08-05 |
DE2253958B2 (de) | 1977-05-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |