FR2251008B1 - - Google Patents
Info
- Publication number
- FR2251008B1 FR2251008B1 FR7437131A FR7437131A FR2251008B1 FR 2251008 B1 FR2251008 B1 FR 2251008B1 FR 7437131 A FR7437131 A FR 7437131A FR 7437131 A FR7437131 A FR 7437131A FR 2251008 B1 FR2251008 B1 FR 2251008B1
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
- G21C17/022—Devices or arrangements for monitoring coolant or moderator for monitoring liquid coolants or moderators
- G21C17/025—Devices or arrangements for monitoring coolant or moderator for monitoring liquid coolants or moderators for monitoring liquid metal coolants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
- G01F1/582—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters without electrodes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/22—Measuring resistance of fluids
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB52492/73A GB1491207A (en) | 1973-11-12 | 1973-11-12 | Sensors for monitoring the electrical conductivity of electrically conductive fluids |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2251008A1 FR2251008A1 (fr) | 1975-06-06 |
FR2251008B1 true FR2251008B1 (fr) | 1981-06-19 |
Family
ID=10464121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7437131A Expired FR2251008B1 (fr) | 1973-11-12 | 1974-11-08 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3987362A (fr) |
JP (1) | JPS6018014B2 (fr) |
DE (1) | DE2451283C2 (fr) |
FR (1) | FR2251008B1 (fr) |
GB (1) | GB1491207A (fr) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2742396C2 (de) * | 1977-09-21 | 1982-04-22 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren und Schaltungsanordnungen zum Detektieren einer Kühlungsstörung |
WO1980002072A1 (fr) * | 1979-03-27 | 1980-10-02 | Sredneaziat Nii Prirod Gaza | Procede et dispositif pour maintenir constant le debit d'un materiau en vrac |
US4282487A (en) * | 1979-09-26 | 1981-08-04 | Trw Inc. | Subsea hydrocarbon sensor system |
JPS56107169A (en) * | 1980-01-31 | 1981-08-25 | Bunjiro Ichijo | Electroconductivity detector |
US4580096A (en) * | 1981-07-06 | 1986-04-01 | Coulter Electronics, Inc. | Isotachophoresis analyzer for inductively detecting boundaries between adjoining substances having different conductivities |
JPS5937495A (ja) * | 1982-08-25 | 1984-02-29 | 株式会社日立製作所 | 電導性流体の流速、温度および音響を検出するためのセンサ並びに検出装置 |
HU186656B (en) * | 1982-12-28 | 1985-09-30 | Richter Gedeon Vegyeszet | Process for producing new benzhydryl-piperazine derivatives, acid additionak salts and pharmaceutical compositions containing them |
US4536713A (en) * | 1983-03-03 | 1985-08-20 | Nl Industries, Inc. | Electrical resistivity measurement of a flowing drilling fluid using eddy currents generated therein |
JPS6090010U (ja) * | 1983-11-28 | 1985-06-20 | マツダ株式会社 | 自動車のリヤスポイラ−取付構造 |
FR2575552B1 (fr) * | 1984-12-27 | 1987-02-13 | Novatome | Dispositif de detection d'un materiau conducteur de l'electricite contenu dans une enveloppe et applications de ce dispositif |
US4693446A (en) * | 1985-09-20 | 1987-09-15 | Techna Vision, Inc. | Gasket for molding plastic lenses |
GB8805488D0 (en) * | 1988-03-08 | 1988-04-07 | Health Lab Service Board | Measuring electrical impedance of low conductivity samples |
EP0347649A1 (fr) * | 1988-06-21 | 1989-12-27 | INTERATOM Gesellschaft mit beschränkter Haftung | Dispositif de mesure du débit de fluides conducteurs électriques |
DE4025091A1 (de) * | 1990-08-08 | 1992-02-13 | Schilling Gerhard | Vorrichtung zur messung der leitfaehigkeit von fluessigkeiten |
DE4025093A1 (de) * | 1990-08-08 | 1992-02-13 | Schilling Gerhard | Verfahren und schaltung zur induktiven messung der leitfaehigkeit in fluessigkeiten |
US5818241A (en) * | 1996-05-30 | 1998-10-06 | Kelly; John M. | Moisture sensor using helical transmission line |
US5965410A (en) | 1997-09-02 | 1999-10-12 | Caliper Technologies Corp. | Electrical current for controlling fluid parameters in microchannels |
US6174675B1 (en) | 1997-11-25 | 2001-01-16 | Caliper Technologies Corp. | Electrical current for controlling fluid parameters in microchannels |
DE19851146B4 (de) * | 1998-11-06 | 2008-12-11 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Sensor und Verfahren zum Messen der elektrischen Leitfähigkeit eines flüssigen Mediums |
JP2002013991A (ja) * | 2000-06-30 | 2002-01-18 | Showa Corp | トルクセンサの異常検出装置 |
US6750661B2 (en) * | 2001-11-13 | 2004-06-15 | Caliper Life Sciences, Inc. | Method and apparatus for controllably effecting samples using two signals |
US20060131299A1 (en) * | 2004-12-20 | 2006-06-22 | Inductotherm, Corp. | Electric induction impeder |
CN100427893C (zh) * | 2006-04-06 | 2008-10-22 | 昆明理工大学 | 基于负阻特性的流量测量方法及电阻流量计 |
ES2385643B1 (es) * | 2009-09-23 | 2013-06-13 | La Farga Lacambra, S.A.U. | Procedimiento para estimación de la conductividad eléctrica de una aleación. |
US10607772B2 (en) * | 2014-05-29 | 2020-03-31 | R-Water Llc | Conductivity and impedance sensor |
KR102366427B1 (ko) * | 2015-05-26 | 2022-02-22 | 알-워터 엘엘씨 | 도전율 및 임피던스 센서 |
US10371739B2 (en) * | 2015-10-30 | 2019-08-06 | Landis+Gyr Llc | Arrangement for detecting a meter maintenance condition using winding resistance |
FR3138208A1 (fr) * | 2022-07-22 | 2024-01-26 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procédé de mesure du débit d’un liquide conducteur électrique dans une canalisation avec correction de l’effet de la température |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2435043A (en) * | 1944-10-06 | 1948-01-27 | Control Instr Co Inc | Device for measuring rate of fluid flow |
US2583724A (en) * | 1948-05-08 | 1952-01-29 | Socony Vacuum Oil Co Inc | Magnetic flowmeter |
BE626240A (fr) * | 1961-12-19 | 1900-01-01 | ||
BE638683A (fr) * | 1962-10-15 | |||
DE1236093B (de) * | 1965-10-25 | 1967-03-09 | Euratom | Verfahren zur Ermittlung von Dampfblasen in Fluessigmetallstroemen auf elektrischem Wege |
GB1252257A (fr) * | 1967-12-28 | 1971-11-03 | ||
FR1586506A (fr) * | 1968-09-27 | 1970-02-20 | ||
US3549489A (en) * | 1968-10-22 | 1970-12-22 | Atomic Energy Commission | System for detecting sodium boiling in a reactor |
US3603873A (en) * | 1970-01-14 | 1971-09-07 | Nus Corp | Conductivity sensor |
DE2120523C2 (de) * | 1971-04-27 | 1984-05-17 | Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach | Verfahren und Vorrichtung zur Fernüberwachung von elektrisch leitenden Flüssigkeiten |
JPS5339259Y2 (fr) * | 1972-05-18 | 1978-09-22 | ||
DE2307087C2 (de) * | 1973-02-14 | 1984-02-02 | Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach | Konstantwechselstromquelle |
-
1973
- 1973-11-12 GB GB52492/73A patent/GB1491207A/en not_active Expired
-
1974
- 1974-10-25 US US05/518,183 patent/US3987362A/en not_active Expired - Lifetime
- 1974-10-29 DE DE2451283A patent/DE2451283C2/de not_active Expired
- 1974-11-08 FR FR7437131A patent/FR2251008B1/fr not_active Expired
- 1974-11-12 JP JP49130388A patent/JPS6018014B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2451283C2 (de) | 1987-05-07 |
US3987362A (en) | 1976-10-19 |
DE2451283A1 (de) | 1975-06-19 |
GB1491207A (en) | 1977-11-09 |
JPS5089077A (fr) | 1975-07-17 |
FR2251008A1 (fr) | 1975-06-06 |
JPS6018014B2 (ja) | 1985-05-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |