FR2469700A1 - Sonde capacitive pour la detection d'un niveau de matieres solides - Google Patents
Sonde capacitive pour la detection d'un niveau de matieres solidesInfo
- Publication number
- FR2469700A1 FR2469700A1 FR8023889A FR8023889A FR2469700A1 FR 2469700 A1 FR2469700 A1 FR 2469700A1 FR 8023889 A FR8023889 A FR 8023889A FR 8023889 A FR8023889 A FR 8023889A FR 2469700 A1 FR2469700 A1 FR 2469700A1
- Authority
- FR
- France
- Prior art keywords
- level
- detection
- solid materials
- capacitive probe
- probe
- 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
- G01F23/26—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/268—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (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 By The Use Of Electric Means (AREA)
Abstract
L'INVENTION CONCERNE UNE SONDE CAPACITIVE. ELLE SE RAPPORTE A UNE SONDE DANS LAQUELLE UNE LAME DETECTRICE 20 EST MONTEE SUR UN MANCHON CERAMIQUE 26 ENTRE DEUX LAMES 16 ET 18 DE MASSE, L'ENSEMBLE ETANT PORTE PAR UNE PLAQUE 12 DE MONTAGE. LA LAME 20 EST RELIEE A UNE TIGE 22 PASSANT DANS UN SUPPORT 28 ET REJOIGNANT UNE BORNE 30. APPLICATION A LA DETERMINATION DU NIVEAU DE MATIERES SOLIDES DANS UN RESERVOIR.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/094,869 US4314478A (en) | 1979-11-16 | 1979-11-16 | Capacitance probe for high resistance materials |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2469700A1 true FR2469700A1 (fr) | 1981-05-22 |
FR2469700B1 FR2469700B1 (fr) | 1985-03-15 |
Family
ID=22247661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8023889A Granted FR2469700A1 (fr) | 1979-11-16 | 1980-11-07 | Sonde capacitive pour la detection d'un niveau de matieres solides |
Country Status (5)
Country | Link |
---|---|
US (1) | US4314478A (fr) |
JP (1) | JPS5686316A (fr) |
AU (1) | AU539156B2 (fr) |
FR (1) | FR2469700A1 (fr) |
GB (1) | GB2063481B (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4515015A (en) * | 1983-02-16 | 1985-05-07 | Magnetrol International, Incorporated | Capacitance level sensor for use with viscous, electrically conductive materials |
GB8401221D0 (en) * | 1984-01-17 | 1984-02-22 | Shell Int Research | Level gauge |
US4676100A (en) * | 1984-10-31 | 1987-06-30 | Berwind Corporation | Capacitance-type material level indicator |
GB8704907D0 (en) * | 1987-03-03 | 1987-04-08 | Schlumberger Electronics Uk | Ceramics |
US6989649B2 (en) * | 2003-07-09 | 2006-01-24 | A. O. Smith Corporation | Switch assembly, electric machine having the switch assembly, and method of controlling the same |
US8540493B2 (en) | 2003-12-08 | 2013-09-24 | Sta-Rite Industries, Llc | Pump control system and method |
US7686589B2 (en) | 2004-08-26 | 2010-03-30 | Pentair Water Pool And Spa, Inc. | Pumping system with power optimization |
US8043070B2 (en) | 2004-08-26 | 2011-10-25 | Pentair Water Pool And Spa, Inc. | Speed control |
US8469675B2 (en) | 2004-08-26 | 2013-06-25 | Pentair Water Pool And Spa, Inc. | Priming protection |
US8019479B2 (en) | 2004-08-26 | 2011-09-13 | Pentair Water Pool And Spa, Inc. | Control algorithm of variable speed pumping system |
US8602745B2 (en) | 2004-08-26 | 2013-12-10 | Pentair Water Pool And Spa, Inc. | Anti-entrapment and anti-dead head function |
US7874808B2 (en) | 2004-08-26 | 2011-01-25 | Pentair Water Pool And Spa, Inc. | Variable speed pumping system and method |
US7845913B2 (en) | 2004-08-26 | 2010-12-07 | Pentair Water Pool And Spa, Inc. | Flow control |
US8480373B2 (en) | 2004-08-26 | 2013-07-09 | Pentair Water Pool And Spa, Inc. | Filter loading |
US8047054B2 (en) * | 2008-07-24 | 2011-11-01 | Fram Group Ip Llc | Particulate matter sensor |
WO2010037019A1 (fr) * | 2008-09-26 | 2010-04-01 | Honeywell International Inc. | Capteur de particules |
MX2011003708A (es) | 2008-10-06 | 2011-06-16 | Pentair Water Pool & Spa Inc | Metodo para operar un sistema de seguridad para alivio de vacio. |
US9556874B2 (en) | 2009-06-09 | 2017-01-31 | Pentair Flow Technologies, Llc | Method of controlling a pump and motor |
CA2820887C (fr) | 2010-12-08 | 2019-10-22 | Pentair Water Pool And Spa, Inc. | Clapet de refoulement a depression pour un systeme brise-vide de securite |
WO2013067206A1 (fr) | 2011-11-01 | 2013-05-10 | Pentair Water Pool And Spa, Inc. | Système et procédé de blocage de débit |
LU92018B1 (fr) * | 2012-06-08 | 2013-12-09 | Luxembourg Patent Co | Ensemble de jauge de niveau capacitive pour un récipient de gaz pressurisé ou liquéfié |
US9885360B2 (en) | 2012-10-25 | 2018-02-06 | Pentair Flow Technologies, Llc | Battery backup sump pump systems and methods |
JP6706880B2 (ja) * | 2014-10-31 | 2020-06-10 | 株式会社鷺宮製作所 | 液体検知器、圧縮機及び空気調和機 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2910940A (en) * | 1953-12-04 | 1959-11-03 | Colman Harry | Combined fluid pump and indicator |
US3744314A (en) * | 1971-01-27 | 1973-07-10 | C Lenny | Fuel gauges |
US3988668A (en) * | 1975-10-17 | 1976-10-26 | Robertshaw Controls Company | Antistatic capacitance probe |
DE2550522A1 (de) * | 1975-11-11 | 1977-05-12 | Weigl Robert | Elektronischer fuellstandsregler- und anzeiger |
GB1562315A (en) * | 1975-11-11 | 1980-03-12 | Mishima Kosan Co Ltd | Magnetic sensor |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2955466A (en) * | 1955-12-01 | 1960-10-11 | Robertshaw Fulton Controls Co | Test probe |
US2945165A (en) * | 1956-10-08 | 1960-07-12 | Honeywell Regulator Co | Liquid level measuring capacitor |
US3037165A (en) * | 1957-05-30 | 1962-05-29 | Goring Kerr Ltd | Electrical indicating measuring or control apparatus and the like |
US3392349A (en) * | 1967-02-23 | 1968-07-09 | Applic Eng Corp | Mass proximity sensor |
CH477679A (de) * | 1967-12-29 | 1969-08-31 | Siemens Ag | Evaporimeter |
US3934475A (en) * | 1974-08-09 | 1976-01-27 | United Conveyor Corporation | Capacitance type material level detector for hoppers |
FR2386811A1 (fr) * | 1977-04-06 | 1978-11-03 | Elf Aquitaine | Detecteur de niveau de separation entre deux liquides |
-
1979
- 1979-11-16 US US06/094,869 patent/US4314478A/en not_active Expired - Lifetime
-
1980
- 1980-11-07 FR FR8023889A patent/FR2469700A1/fr active Granted
- 1980-11-07 GB GB8035825A patent/GB2063481B/en not_active Expired
- 1980-11-14 AU AU64381/80A patent/AU539156B2/en not_active Ceased
- 1980-11-14 JP JP16062980A patent/JPS5686316A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2910940A (en) * | 1953-12-04 | 1959-11-03 | Colman Harry | Combined fluid pump and indicator |
US3744314A (en) * | 1971-01-27 | 1973-07-10 | C Lenny | Fuel gauges |
US3988668A (en) * | 1975-10-17 | 1976-10-26 | Robertshaw Controls Company | Antistatic capacitance probe |
DE2550522A1 (de) * | 1975-11-11 | 1977-05-12 | Weigl Robert | Elektronischer fuellstandsregler- und anzeiger |
GB1562315A (en) * | 1975-11-11 | 1980-03-12 | Mishima Kosan Co Ltd | Magnetic sensor |
Also Published As
Publication number | Publication date |
---|---|
AU539156B2 (en) | 1984-09-13 |
FR2469700B1 (fr) | 1985-03-15 |
GB2063481A (en) | 1981-06-03 |
JPS5686316A (en) | 1981-07-14 |
AU6438180A (en) | 1981-05-21 |
GB2063481B (en) | 1983-07-27 |
US4314478A (en) | 1982-02-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |