FR2304063A1 - Dispositif pour surveiller le niveau du liquide dans un reservoir - Google Patents
Dispositif pour surveiller le niveau du liquide dans un reservoirInfo
- Publication number
- FR2304063A1 FR2304063A1 FR7606693A FR7606693A FR2304063A1 FR 2304063 A1 FR2304063 A1 FR 2304063A1 FR 7606693 A FR7606693 A FR 7606693A FR 7606693 A FR7606693 A FR 7606693A FR 2304063 A1 FR2304063 A1 FR 2304063A1
- Authority
- FR
- France
- Prior art keywords
- monitoring
- tank
- liquid
- level
- Prior art date
- 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
- G01F23/24—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 variations of resistance of resistors due to contact with conductor fluid
- G01F23/246—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 variations of resistance of resistors due to contact with conductor fluid thermal devices
- G01F23/247—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 variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Control Of Non-Electrical Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2510356A DE2510356C2 (de) | 1975-03-10 | 1975-03-10 | Einrichtung zur Überwachung des Flüssigkeitsstandes in einem Behälter |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2304063A1 true FR2304063A1 (fr) | 1976-10-08 |
FR2304063B1 FR2304063B1 (fr) | 1980-12-05 |
Family
ID=5940916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7606693A Granted FR2304063A1 (fr) | 1975-03-10 | 1976-03-09 | Dispositif pour surveiller le niveau du liquide dans un reservoir |
Country Status (14)
Country | Link |
---|---|
US (1) | US4053874A (fr) |
JP (1) | JPS6018924B2 (fr) |
BE (1) | BE839312A (fr) |
BR (1) | BR7601006A (fr) |
CA (1) | CA1053772A (fr) |
CH (1) | CH591683A5 (fr) |
DE (1) | DE2510356C2 (fr) |
FR (1) | FR2304063A1 (fr) |
GB (1) | GB1536894A (fr) |
IN (1) | IN142779B (fr) |
IT (1) | IT1056854B (fr) |
SE (1) | SE411956B (fr) |
SU (1) | SU625636A3 (fr) |
ZA (1) | ZA76169B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0140844A2 (fr) * | 1983-10-14 | 1985-05-08 | FOREDIT S.p.A. | Dispositif pour mesurer le niveau dans des liquides, notamment pour le réglage de niveau du lubrifiant dans des machines à combustion interne |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4224606A (en) * | 1979-03-21 | 1980-09-23 | Honeywell Inc. | Fluid level detector test switch |
CA1149459A (fr) * | 1980-01-07 | 1983-07-05 | Juergen F. Schmelzer | Mesure de la teneur en eau de produits |
US4418035A (en) * | 1981-05-27 | 1983-11-29 | Scandpower, Inc. | Coolant condition monitor for nuclear power reactor |
US4406011A (en) * | 1981-06-16 | 1983-09-20 | Burns Thomas J | Gamma thermometer based reactor core liquid level detector |
CA1169947A (fr) * | 1981-08-20 | 1984-06-26 | Howard R. Braun | Regulateur de niveau d'azote en phase liquide |
US4521373A (en) * | 1982-08-23 | 1985-06-04 | General Electric Company | Liquid level sensor |
AT383677B (de) * | 1983-10-07 | 1987-08-10 | Kessel Loos Kg Bischofshofen | Pruefeinrichtung zur ueberpruefung einer fluessigkeitsmangelsicherung |
US4564834A (en) * | 1983-10-11 | 1986-01-14 | General Motors Corporation | Thermal liquid level detector |
DE3408824A1 (de) * | 1984-03-10 | 1985-09-12 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Schaltungsanordnung zur elektrothermischen, umgebungstemperatur-kompensierten fuellstandsmessung |
US4609913A (en) * | 1985-02-22 | 1986-09-02 | Wickes Manufacturing Company | Fluid level sensor |
US5117216A (en) * | 1986-04-23 | 1992-05-26 | Fluid Components, Inc. | Distributed RTD |
US5167153A (en) * | 1986-04-23 | 1992-12-01 | Fluid Components, Inc. | Method of measuring physical phenomena using a distributed RTD |
DE3668238D1 (de) * | 1986-10-08 | 1990-02-15 | Kurt Becker | Verfahren und instrument zur ueberwachung des kuehlungszustandes in einem leichtwasserreaktor. |
US4742244A (en) * | 1986-10-15 | 1988-05-03 | Itt Avionics | Electronic float switch apparatus |
US4771271A (en) * | 1987-03-11 | 1988-09-13 | Ford Motor Company | Silicon based low level liquid sensor having a fast response time |
US5134772A (en) * | 1988-05-02 | 1992-08-04 | Fluid Components, Inc. | Method of making a U-shaped heated extended resistance temperature sensor |
US5152049A (en) * | 1988-05-02 | 1992-10-06 | Fluid Components, Inc. | Method of making a heated extended resistance temperature sensor |
US5201223A (en) * | 1988-05-02 | 1993-04-13 | Fluid Components, Inc. | Method of sensing fluid flow and level employing a heated extended resistance temperature sensor |
US4994780A (en) * | 1988-05-02 | 1991-02-19 | Fluid Components, Inc. | Heated extended resistance temperature sensor, apparatus for sensing and method of making same |
US5111692A (en) * | 1990-03-27 | 1992-05-12 | Fluid Components, Inc. | Temperature compensated liquid level and fluid flow sensor |
US5438866A (en) * | 1990-06-25 | 1995-08-08 | Fluid Components, Inc. | Method of making average mass flow velocity measurements employing a heated extended resistance temperature sensor |
US5228340A (en) * | 1991-05-01 | 1993-07-20 | Yazaki Corporation | Method and apparatus for heat radiating type level sensor measurement of liquid level |
US5210769A (en) * | 1991-12-30 | 1993-05-11 | The Great American Company | Liquid level measuring system |
US5434555A (en) * | 1993-05-17 | 1995-07-18 | Magnetrol International, Inc. | Thermal dispersion switch with self test circuit |
JPH07199636A (ja) * | 1993-12-28 | 1995-08-04 | Fujitsu Ltd | トナーの残量検出装置 |
US6422088B1 (en) * | 1999-09-24 | 2002-07-23 | Denso Corporation | Sensor failure or abnormality detecting system incorporated in a physical or dynamic quantity detecting apparatus |
US6767141B1 (en) * | 2000-12-04 | 2004-07-27 | Optical Communication Products, Inc. | Optical interface unit |
CN108107929B (zh) * | 2018-02-06 | 2023-11-10 | 欣灵电气股份有限公司 | 液位控制器 |
CN112325978B (zh) * | 2020-10-28 | 2024-04-12 | 苏州贝康智能制造有限公司 | 一种电阻式液位检测系统 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE613746C (de) * | 1929-01-17 | 1935-05-24 | Arthur Snow | Dekadenwiderstand fuer Wheatstonesche Bruecken, insbesondere fuer elektrische Temperaturmessung mit Widerstandsthermometern |
DE2256197C2 (de) * | 1972-11-16 | 1974-03-07 | Danfoss A/S, Nordborg (Daenemark) | Meßwertumformer mit einem Kompensationsbrückenkreis |
US3922658A (en) * | 1974-12-04 | 1975-11-25 | Bendix Corp | Fluid level monitor |
-
1975
- 1975-03-10 DE DE2510356A patent/DE2510356C2/de not_active Expired
- 1975-12-30 SU SU752303259A patent/SU625636A3/ru active
-
1976
- 1976-01-13 ZA ZA00760169A patent/ZA76169B/xx unknown
- 1976-01-14 IN IN84/CAL/76A patent/IN142779B/en unknown
- 1976-02-18 BR BR7601006A patent/BR7601006A/pt unknown
- 1976-02-26 US US05/661,428 patent/US4053874A/en not_active Expired - Lifetime
- 1976-02-27 SE SE7602752A patent/SE411956B/xx not_active IP Right Cessation
- 1976-03-04 IT IT20831/76A patent/IT1056854B/it active
- 1976-03-04 CA CA247,079A patent/CA1053772A/fr not_active Expired
- 1976-03-08 BE BE164949A patent/BE839312A/fr not_active IP Right Cessation
- 1976-03-09 JP JP51025518A patent/JPS6018924B2/ja not_active Expired
- 1976-03-09 CH CH288476A patent/CH591683A5/xx not_active IP Right Cessation
- 1976-03-09 FR FR7606693A patent/FR2304063A1/fr active Granted
- 1976-03-10 GB GB9631/76A patent/GB1536894A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0140844A2 (fr) * | 1983-10-14 | 1985-05-08 | FOREDIT S.p.A. | Dispositif pour mesurer le niveau dans des liquides, notamment pour le réglage de niveau du lubrifiant dans des machines à combustion interne |
EP0140844A3 (fr) * | 1983-10-14 | 1986-12-17 | FOREDIT S.p.A. | Dispositif pour mesurer le niveau dans des liquides, notamment pour le réglage de niveau du lubrifiant dans des machines à combustion interne |
Also Published As
Publication number | Publication date |
---|---|
SU625636A3 (ru) | 1978-09-25 |
ZA76169B (en) | 1976-12-29 |
FR2304063B1 (fr) | 1980-12-05 |
CH591683A5 (fr) | 1977-09-30 |
JPS51113758A (en) | 1976-10-07 |
BE839312A (fr) | 1976-07-01 |
CA1053772A (fr) | 1979-05-01 |
DE2510356A1 (de) | 1976-09-16 |
JPS6018924B2 (ja) | 1985-05-13 |
IN142779B (fr) | 1977-08-27 |
DE2510356C2 (de) | 1984-03-15 |
GB1536894A (en) | 1978-12-29 |
BR7601006A (pt) | 1976-09-14 |
IT1056854B (it) | 1982-02-20 |
SE7602752L (sv) | 1976-09-13 |
US4053874A (en) | 1977-10-11 |
SE411956B (sv) | 1980-02-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |