IT1320357B1 - Dispositivo ottico di rilevamento del livello di un fluido in uncontenitore. - Google Patents
Dispositivo ottico di rilevamento del livello di un fluido in uncontenitore.Info
- Publication number
- IT1320357B1 IT1320357B1 IT2000TO000520A ITTO20000520A IT1320357B1 IT 1320357 B1 IT1320357 B1 IT 1320357B1 IT 2000TO000520 A IT2000TO000520 A IT 2000TO000520A IT TO20000520 A ITTO20000520 A IT TO20000520A IT 1320357 B1 IT1320357 B1 IT 1320357B1
- Authority
- IT
- Italy
- Prior art keywords
- container
- fluid
- detection
- level
- optical device
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title 1
- 239000012530 fluid Substances 0.000 title 1
- 230000003287 optical effect Effects 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
- G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
- G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
- G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
- G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means
- G01F23/2927—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means for several discrete levels, e.g. with more than one light-conducting sensing element
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S250/00—Radiant energy
- Y10S250/90—Optical liquid level sensors
- Y10S250/901—Optical liquid level sensors with gap between light guide elements, includes open light path preset
- Y10S250/902—Optical liquid level sensors with gap between light guide elements, includes open light path preset with closed light path preset
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/328,715 US6429447B1 (en) | 1999-06-09 | 1999-06-09 | Fluid level indicator |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO20000520A0 ITTO20000520A0 (it) | 2000-06-02 |
ITTO20000520A1 ITTO20000520A1 (it) | 2001-12-02 |
IT1320357B1 true IT1320357B1 (it) | 2003-11-26 |
Family
ID=23282109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2000TO000520A IT1320357B1 (it) | 1999-06-09 | 2000-06-02 | Dispositivo ottico di rilevamento del livello di un fluido in uncontenitore. |
Country Status (3)
Country | Link |
---|---|
US (1) | US6429447B1 (it) |
DE (1) | DE10035263C2 (it) |
IT (1) | IT1320357B1 (it) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6949758B2 (en) * | 2001-10-19 | 2005-09-27 | Visteon Global Technologies, Inc. | LCC-based fluid-level detection sensor |
US7013795B2 (en) * | 2002-01-10 | 2006-03-21 | Conair Corporation | Grind and brew coffee apparatus |
US20030175157A1 (en) * | 2002-01-25 | 2003-09-18 | Irm, Llc | Fluid handling methods and systems |
DE10206824B4 (de) * | 2002-02-18 | 2005-04-28 | Kautex Textron Gmbh & Co Kg | Verfahren zur optischen Füllstandsbestimmung in flüssigkeitsgefüllten Behältern |
US6668645B1 (en) * | 2002-06-18 | 2003-12-30 | Ti Group Automotive Systems, L.L.C. | Optical fuel level sensor |
US20050199833A1 (en) * | 2004-03-15 | 2005-09-15 | David Corven | Optical fluid level monitor |
US7161165B2 (en) * | 2004-07-07 | 2007-01-09 | Opti Sensor Systems, Llc | Optical transducer for continuously determining liquid level |
US20070284550A1 (en) * | 2005-05-10 | 2007-12-13 | Smith Daniel J | Variable area flow rate meter using optical sensing of float position in the duct |
US20090000791A1 (en) * | 2006-01-17 | 2009-01-01 | Charles Ice | Fluid Lift System |
US7711509B2 (en) * | 2007-03-29 | 2010-05-04 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method of calibrating a fluid-level measurement system |
IL187597A0 (en) * | 2007-11-22 | 2008-03-20 | Dekel Tzidon | Fluid level indicator |
US8410948B2 (en) * | 2008-05-12 | 2013-04-02 | John Vander Horst | Recreational vehicle holding tank sensor probe |
US9645004B2 (en) | 2014-11-19 | 2017-05-09 | The Boeing Company | Optical impedance modulation for fuel quantity measurement comprising a fiber encased by a tube having a longitudinal slot with a lens |
BR102015032866B1 (pt) | 2015-12-29 | 2021-06-29 | Robert Bosch Limitada | Sistema óptico, e método para identificação de fluido através do dito sistema |
BR102015032859A2 (pt) | 2015-12-29 | 2017-07-04 | Robert Bosch Limitada | Optical system and method for fluid level measurement |
US10175087B2 (en) | 2017-02-09 | 2019-01-08 | The Boeing Company | Fuel level sensor having dual fluorescent plastic optical fibers |
US10371559B2 (en) * | 2017-04-17 | 2019-08-06 | The Boeing Company | Differential spectral liquid level sensor |
US10352755B2 (en) | 2017-04-17 | 2019-07-16 | The Boeing Company | Passive differential liquid level sensor using optical fibers |
JP7103643B2 (ja) * | 2018-12-13 | 2022-07-20 | 株式会社インパクト | 水位表示装置 |
US10935413B2 (en) | 2019-04-10 | 2021-03-02 | The Boeing Company | Non-contact time-of-flight fuel level sensor using plastic optical fiber |
GB201912707D0 (en) * | 2019-09-04 | 2019-10-16 | Johnson Matthey Plc | Level measurement instrument |
USD974931S1 (en) * | 2019-12-13 | 2023-01-10 | Mark Shavlik | Buoyant indicator |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3120125A (en) | 1960-08-03 | 1964-02-04 | American Pyrotector Inc | Liquid level determining devices and method |
DE1773260A1 (de) * | 1968-04-20 | 1972-02-10 | Illinois Tool Works | Fluessigkeitsstandanzeiger |
US3648521A (en) * | 1968-10-23 | 1972-03-14 | Pasquale J Amendolia | Light indicator |
US3568628A (en) | 1968-12-09 | 1971-03-09 | Illinois Tool Works | Liquid level indicator |
US3794428A (en) * | 1972-04-21 | 1974-02-26 | Gen Motors Corp | Optical liquid level indicator |
US3893339A (en) | 1974-03-18 | 1975-07-08 | Illinois Tool Works | Liquid level indicator |
DE2717089C3 (de) | 1977-04-18 | 1979-12-06 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Anzeigevorrichtung zur Erfassung des Pegelstandes von Flüssigkeiten in Flüssigkeitsbehältern |
DE2860995D1 (en) | 1977-07-01 | 1981-11-26 | Battelle Memorial Institute | Device for generating a light signal characteristic of the refractive index of a fluidand and its use |
US4256403A (en) * | 1979-03-23 | 1981-03-17 | Simmonds Precision Products, Inc. | Combination water contaminant and fuel density detector |
US4358960A (en) | 1979-05-04 | 1982-11-16 | Ladd Research Industries, Inc. | Differential fiber optic proximity sensor |
US4353252A (en) | 1980-10-23 | 1982-10-12 | Cadbury Schweppes Plc | Liquid level sensor |
DE3128925A1 (de) * | 1981-07-22 | 1983-02-10 | Bayerische Motoren Werke AG, 8000 München | Niveaugeber fuer fluessigkeiten |
DE3243839A1 (de) * | 1982-11-26 | 1984-05-30 | Kromberg & Schubert, 5600 Wuppertal | Vorrichtung zur hoehenstandsmessung von fluessigkeiten in behaeltern, insbesondere fuellstandsanzeige fuer kraftfahrzeuge |
US4670660A (en) | 1985-04-04 | 1987-06-02 | Aeroquip Corporation | Optical liquid level indicator and method |
US4625549A (en) | 1985-08-01 | 1986-12-02 | Outboard Marine Corporation | Optical fluid level indicator including float with reflecting means |
US4694161A (en) | 1985-11-04 | 1987-09-15 | Sackett Robert R | Fluid flow and level detector |
JPS62206431A (ja) | 1986-03-07 | 1987-09-10 | Ricoh Co Ltd | 液体の屈折率測定装置 |
US4878383A (en) | 1987-11-02 | 1989-11-07 | United Technologies Corporation | Optical fluid level sensor |
US4994682A (en) * | 1989-05-19 | 1991-02-19 | Focal Technologies Incorporated | Fiber optic continuous liquid level sensor |
US5077482A (en) | 1990-02-23 | 1991-12-31 | Hughes Aircraft Company | Liquid gauge having an optical fiber with flexible membrane enclosure |
US6173609B1 (en) * | 1997-06-20 | 2001-01-16 | Optical Sensor Consultants, Inc. | Optical level sensor |
-
1999
- 1999-06-09 US US09/328,715 patent/US6429447B1/en not_active Expired - Fee Related
-
2000
- 2000-05-22 DE DE10035263A patent/DE10035263C2/de not_active Expired - Fee Related
- 2000-06-02 IT IT2000TO000520A patent/IT1320357B1/it active
Also Published As
Publication number | Publication date |
---|---|
DE10035263C2 (de) | 2001-09-27 |
ITTO20000520A1 (it) | 2001-12-02 |
US6429447B1 (en) | 2002-08-06 |
DE10035263A1 (de) | 2001-01-18 |
ITTO20000520A0 (it) | 2000-06-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1320357B1 (it) | Dispositivo ottico di rilevamento del livello di un fluido in uncontenitore. | |
ITTO20020601A0 (it) | Sistema di rivelazione del livello di un liquido in un serbatoio | |
ITMI941061A0 (it) | Erogatore di fluidi in pressione nebulizzati , provvisto do otturatore mobile per azione del fluido in pressione | |
DE69922341D1 (de) | Flüssigkeitsbehälter | |
IT1315948B1 (it) | Dispositivo per il filtraggio di un fluido carico di particelle. | |
IT1314854B1 (it) | Dispositivo di dosaggio per detersivo liquido. | |
ITTO20000490A0 (it) | Dispositivo optoelettronico di rilevamento del livello di carica in una batteria. | |
DE29903592U1 (de) | Flüssigkeitsgefäß | |
DK1215471T3 (da) | Væskeniveaufølersystem | |
FR2809179B1 (fr) | Dispositif d'amorcage automatique de cannes de prelevement de fluides | |
IT1321062B1 (it) | Dispositivo sensore del livello di un liquido. | |
IT1316206B1 (it) | Apparecchio per il drenaggio di un fluido da un recipiente a pressione e procedimento per il suo impiego. | |
DE29906115U1 (de) | Flüssigkeitsbehälter | |
IT1311763B1 (it) | Dispositivo per l'indicazione del livello in un contenitore | |
IT1314132B1 (it) | Dispositivo di rilevamento del livello di un liquido in un serbatoio. | |
IT220510Z2 (it) | Dispositivo di rilevamento del livello minimo di un liquido in un serbatoio. | |
ITTO20010867A0 (it) | Dispositivo sensore del livello di un liquido. | |
IT1292274B1 (it) | Dispositivo sensore del livello di un liquido. | |
ITTO990783A0 (it) | Dispositivo sensore capacitivo del livello di un liquido dielettrico | |
FR2807740B1 (fr) | Dispositif de detection de l'effraction d'un contenant | |
IT1311049B1 (it) | Martinetto a fluido. | |
IT1310993B1 (it) | Apparato dotato di un dispositivo per la rilevazione dei parametridi sagoma del dormiente. | |
NL1016639A1 (nl) | Ondergrondse vloeistof-opslag. | |
IT247604Y1 (it) | Contenitore con sistema di alloggiamento di un gadget, in particolareun profilattico, sul fondo concavo. | |
ITTO20010072A0 (it) | Metodo per la rilevazione del livello di un liquido in un contenitoredi un circuito e macchina di dialisi per l'attuazione del metodo. |