ITTO20020601A1 - Sistema di rivelazione del livello di un liquido in un serbatoio - Google Patents
Sistema di rivelazione del livello di un liquido in un serbatoioInfo
- Publication number
- ITTO20020601A1 ITTO20020601A1 IT2002TO000601A ITTO20020601A ITTO20020601A1 IT TO20020601 A1 ITTO20020601 A1 IT TO20020601A1 IT 2002TO000601 A IT2002TO000601 A IT 2002TO000601A IT TO20020601 A ITTO20020601 A IT TO20020601A IT TO20020601 A1 ITTO20020601 A1 IT TO20020601A1
- Authority
- IT
- Italy
- Prior art keywords
- liquid
- capacitor
- level
- resistance
- current
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title abstract 5
- 238000001514 detection method Methods 0.000 title 1
- 239000003990 capacitor Substances 0.000 abstract 5
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
- G01F23/261—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 for discrete levels
-
- 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)
- Ink Jet (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Photographic Processing Devices Using Wet Methods (AREA)
- Level Indicators Using A Float (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2002TO000601A ITTO20020601A1 (it) | 2002-07-10 | 2002-07-10 | Sistema di rivelazione del livello di un liquido in un serbatoio |
EP03741101A EP1523662B1 (en) | 2002-07-10 | 2003-07-08 | System for detecting the level of liquid in a tank |
PCT/IT2003/000427 WO2004008082A2 (en) | 2002-07-10 | 2003-07-08 | System for detecting the level of liquid in a tank |
AT03741101T ATE512355T1 (de) | 2002-07-10 | 2003-07-08 | System zur füllstandsermittlung einer flüssigkeit in einem tank |
AU2003281085A AU2003281085A1 (en) | 2002-07-10 | 2003-07-08 | System for detecting the level of liquid in a tank |
US10/520,412 US7249506B2 (en) | 2002-07-10 | 2003-07-08 | System for detecting the level of liquid in a tank |
US11/819,248 US7370528B2 (en) | 2002-07-10 | 2007-06-26 | System for detecting the level of liquid in a tank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2002TO000601A ITTO20020601A1 (it) | 2002-07-10 | 2002-07-10 | Sistema di rivelazione del livello di un liquido in un serbatoio |
Publications (2)
Publication Number | Publication Date |
---|---|
ITTO20020601A0 ITTO20020601A0 (it) | 2002-07-10 |
ITTO20020601A1 true ITTO20020601A1 (it) | 2004-01-12 |
Family
ID=11459482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2002TO000601A ITTO20020601A1 (it) | 2002-07-10 | 2002-07-10 | Sistema di rivelazione del livello di un liquido in un serbatoio |
Country Status (6)
Country | Link |
---|---|
US (2) | US7249506B2 (it) |
EP (1) | EP1523662B1 (it) |
AT (1) | ATE512355T1 (it) |
AU (1) | AU2003281085A1 (it) |
IT (1) | ITTO20020601A1 (it) |
WO (1) | WO2004008082A2 (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101229718B (zh) * | 2007-01-23 | 2011-12-14 | 鸿富锦精密工业(深圳)有限公司 | 供墨*** |
EP1975308A1 (en) * | 2007-03-30 | 2008-10-01 | Koninklijke Philips Electronics N.V. | Method for determining the liquid level in a boiler |
US8220482B1 (en) | 2007-11-13 | 2012-07-17 | Kona Labs LLC | Devices, methods, and algorithms for rapid measurement of mean surface level change of liquids in containers |
TW201038927A (en) * | 2009-04-21 | 2010-11-01 | Young Bright Technology Corp | Liquid measure system and method thereof |
US9410336B2 (en) * | 2009-06-01 | 2016-08-09 | Richard DeVerse | Automated system for monitoring and maintenance of fluid level in swimming pools and other contained bodies of water |
US8491111B2 (en) | 2011-02-28 | 2013-07-23 | Funai Electric Co., Ltd. | Consumable supply item with capacitive fluid level detection for micro-fluid applications |
US9108423B2 (en) | 2011-05-31 | 2015-08-18 | Funai Electric Co., Ltd. | Consumable supply item with fluid sensing for micro-fluid applications |
US9132656B2 (en) | 2011-05-31 | 2015-09-15 | Funai Electric Co., Ltd. | Consumable supply item with fluid sensing and pump enable for micro-fluid applications |
US8635908B2 (en) | 2011-09-23 | 2014-01-28 | Lexmark International, Inc. | Fluid tilt sensor within ink tank supply item for micro-fluid applications |
US8549764B2 (en) | 2011-09-23 | 2013-10-08 | Lexmark International, Inc. | Fluid tilt sensor within ink tank supply item for micro-fluid applications |
US9574928B2 (en) * | 2012-02-13 | 2017-02-21 | Goodrich Corporation | Liquid level sensing systems |
CN102589648A (zh) * | 2012-03-15 | 2012-07-18 | 济南中森机械制造有限公司 | Lng液位计及液位测量方法 |
US10618301B2 (en) | 2015-07-24 | 2020-04-14 | Hewlett-Packard Development Company, L.P. | Semiconductor device including capacitive sensor and ion-sensitive transistor for determining level and ion-concentration of fluid |
US10960658B2 (en) | 2016-07-11 | 2021-03-30 | Hewlett-Packard Development Company, L.P. | Detecting a level of printable fluid in a container |
EP3367075B1 (en) * | 2017-02-22 | 2019-12-11 | Zodiac Aerotechnics | Capacitor fuel probe |
US10760937B2 (en) * | 2017-09-08 | 2020-09-01 | RV Whisper LLC | System and method for measuring the level of fluid in a container |
US10942531B1 (en) * | 2018-07-13 | 2021-03-09 | Taylor Fife | Swimming pool leveling system and method of use |
US11313142B1 (en) | 2018-07-13 | 2022-04-26 | Taylor Fife | Swimming pool leveling system and method of use |
CN110895052A (zh) * | 2019-12-09 | 2020-03-20 | 珠海格力电器股份有限公司 | 液位监测方法、液位监测结构、排水装置及换热设备 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3375716A (en) * | 1965-10-12 | 1968-04-02 | Simmonds Precision Products | Fluid quantity measuring device |
DE2961163D1 (en) * | 1978-08-23 | 1982-01-07 | Lucas Ind Plc | Liquid level sensing apparatus |
US4853718A (en) * | 1988-08-15 | 1989-08-01 | Xerox Corporation | On chip conductive fluid sensing circuit |
IT1233061B (it) | 1989-01-26 | 1992-03-14 | Olivetti & Co Spa | Testina termica di stampa a getto d inchiostro |
US5162817A (en) * | 1989-01-28 | 1992-11-10 | Canon Kabushiki Kaisha | Ink jet with residual ink detection that compensates for different ink properties |
US5103368A (en) * | 1990-05-07 | 1992-04-07 | Therm-O-Disc, Incorporated | Capacitive fluid level sensor |
US5613398A (en) * | 1994-01-24 | 1997-03-25 | Chrysler Corporation | Smart fuel tank module |
JP3423166B2 (ja) * | 1996-10-18 | 2003-07-07 | ブラザー工業株式会社 | インク有無検知装置およびインクジェット記録装置 |
US6431670B1 (en) * | 2000-02-14 | 2002-08-13 | Hewlett-Packard Company | Ink level sensing method and apparatus |
ITTO20020428A1 (it) * | 2002-05-20 | 2003-11-20 | Tecnost Sistemi S P A | Stampante a getto di inchiostro con serbatoio ad alta capacita' e relativo sistema di rifornimento dell'inchiostro. |
-
2002
- 2002-07-10 IT IT2002TO000601A patent/ITTO20020601A1/it unknown
-
2003
- 2003-07-08 AT AT03741101T patent/ATE512355T1/de not_active IP Right Cessation
- 2003-07-08 US US10/520,412 patent/US7249506B2/en not_active Expired - Lifetime
- 2003-07-08 WO PCT/IT2003/000427 patent/WO2004008082A2/en not_active Application Discontinuation
- 2003-07-08 AU AU2003281085A patent/AU2003281085A1/en not_active Abandoned
- 2003-07-08 EP EP03741101A patent/EP1523662B1/en not_active Expired - Lifetime
-
2007
- 2007-06-26 US US11/819,248 patent/US7370528B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US7249506B2 (en) | 2007-07-31 |
AU2003281085A1 (en) | 2004-02-02 |
EP1523662A2 (en) | 2005-04-20 |
EP1523662B1 (en) | 2011-06-08 |
AU2003281085A8 (en) | 2004-02-02 |
US20050262939A1 (en) | 2005-12-01 |
WO2004008082A3 (en) | 2004-03-18 |
ATE512355T1 (de) | 2011-06-15 |
US7370528B2 (en) | 2008-05-13 |
ITTO20020601A0 (it) | 2002-07-10 |
WO2004008082A2 (en) | 2004-01-22 |
US20070245823A1 (en) | 2007-10-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ITTO20020601A1 (it) | Sistema di rivelazione del livello di un liquido in un serbatoio | |
CN104115559B (zh) | 用于驱动负载的驱动器装置和驱动方法 | |
EP3243047B1 (en) | A method and system for sensing a liquid level | |
EP1585207A3 (en) | Power supply apparatus | |
GB2337124A (en) | Charge transfer capacitance sensor | |
KR950033487A (ko) | 용량식 센서장치 | |
US10826311B2 (en) | Alternating-current voltage detection circuit | |
CN106461713A (zh) | 静电电容测量装置、静电电容型面状传感器装置以及静电电容型液位检测装置 | |
CN106033965A (zh) | 一种触摸按键检测电路及其检测方法 | |
CN103308755A (zh) | 高压直流远程供电***的绝缘检测装置及方法 | |
CN108759977A (zh) | 一种浸水检测装置 | |
CN100483082C (zh) | 用于检测液体的液位的方法和电路布置 | |
CN210071058U (zh) | 液位探测***及其探测器 | |
CN109764913A (zh) | 路面条件检测装置及方法 | |
CN102955626B (zh) | 用于电容式传感设备的传感方法及电路 | |
CN203337738U (zh) | 一种电容引信用电容探测电路 | |
CN203929854U (zh) | 电压幅值检测电路 | |
CN110542647B (zh) | 一种电子电器环境腐蚀性特性探测电路及方法 | |
CN201425519Y (zh) | 红外传感电路 | |
CN105809860B (zh) | 一种用于防盗探测的*** | |
CN103267900A (zh) | 一种电容引信用电容探测电路 | |
CN202257532U (zh) | 用于电容式传感设备的电路 | |
CN220671646U (zh) | 充电接口的液体检测电路及电子产品 | |
CN207703299U (zh) | 一种非接触式电容感应多段液位传感器 | |
JPS54136382A (en) | Partial discharge measuring circuit |