IT8224114A0 - Impianto capacitivo misuratore di fluido - Google Patents
Impianto capacitivo misuratore di fluidoInfo
- Publication number
- IT8224114A0 IT8224114A0 IT8224114A IT2411482A IT8224114A0 IT 8224114 A0 IT8224114 A0 IT 8224114A0 IT 8224114 A IT8224114 A IT 8224114A IT 2411482 A IT2411482 A IT 2411482A IT 8224114 A0 IT8224114 A0 IT 8224114A0
- Authority
- IT
- Italy
- Prior art keywords
- meter system
- fluid meter
- capacitive fluid
- capacitive
- meter
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title 1
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8134053 | 1981-11-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8224114A0 true IT8224114A0 (it) | 1982-11-08 |
IT1154521B IT1154521B (it) | 1987-01-21 |
Family
ID=10525806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24114/82A IT1154521B (it) | 1981-11-11 | 1982-11-08 | Impianto capacitivo misuratore di fluido |
Country Status (3)
Country | Link |
---|---|
US (1) | US4472968A (it) |
FR (1) | FR2516235B1 (it) |
IT (1) | IT1154521B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4686857A (en) * | 1983-03-04 | 1987-08-18 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Method and apparatus for evaluating the performance of dielectric substances |
US5627304A (en) * | 1994-05-23 | 1997-05-06 | Smiths Industries | System for automatic real-time calibration of remotely-located capacitive-type fuel quantity measurement probes |
WO1997037198A1 (en) * | 1996-04-03 | 1997-10-09 | Robertshaw Controls Company | Fluid sensor |
DE19643286C1 (de) * | 1996-10-21 | 1998-04-09 | Ringwald Armin | Vorrichtung zum Erkennen von strömenden Medien |
US6798350B2 (en) * | 2001-04-30 | 2004-09-28 | Baker Hughes Incorporated | Method for repeating messages in long intelligent completion system lines |
KR100517305B1 (ko) | 2002-12-09 | 2005-09-27 | 손덕수 | 전송선을 이용한 자동차 연료 게이지 |
US8281655B2 (en) * | 2009-04-03 | 2012-10-09 | Eaton Corporation | Fuel gauging system utilizing a digital fuel gauging probe |
US8869612B2 (en) | 2011-03-08 | 2014-10-28 | Baxter International Inc. | Non-invasive radio frequency liquid level and volume detection system using phase shift |
GB201520277D0 (en) * | 2015-11-17 | 2015-12-30 | Kennedy Hygiene Products Ltd | Dispensing apparatus and method |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2918818A (en) * | 1954-02-15 | 1959-12-29 | Meyer Franklin | Compensated capacitive gravimetric apparatus |
US2941403A (en) * | 1955-04-29 | 1960-06-21 | Bendix Aviat Corp | Liquid depth gauge |
US3083572A (en) * | 1958-07-25 | 1963-04-02 | Honeywell Regulator Co | Fluid level systems |
US3283577A (en) * | 1964-06-29 | 1966-11-08 | Honeywell Inc | Divided capacitance probe level gauge |
US3391547A (en) * | 1966-02-28 | 1968-07-09 | Varian Associates | Capacitive liquid level sensor using phase sensitive detector means |
GB1320451A (en) * | 1971-01-27 | 1973-06-13 | Cheeseman K A | Linear analogue to frequency converter |
US4212202A (en) * | 1979-08-09 | 1980-07-15 | The Bendix Corporation | Distributed compensation for capacitance-type fluid measuring apparatus |
DE2945965A1 (de) * | 1979-11-14 | 1981-05-27 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Einrichtung zur kapazitiven fuellstandsmessung |
US4347741A (en) * | 1980-07-17 | 1982-09-07 | Endress & Hauser, Inc. | Control system for a capacitive level sensor |
US4417473A (en) * | 1982-02-03 | 1983-11-29 | Tward 2001 Limited | Multi-capacitor fluid level sensor |
-
1982
- 1982-09-27 US US06/424,779 patent/US4472968A/en not_active Expired - Lifetime
- 1982-11-08 IT IT24114/82A patent/IT1154521B/it active
- 1982-11-09 FR FR8218965A patent/FR2516235B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2516235A1 (fr) | 1983-05-13 |
IT1154521B (it) | 1987-01-21 |
US4472968A (en) | 1984-09-25 |
FR2516235B1 (fr) | 1986-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971126 |