FI98159B - Menetelmä ja sovitelma nestepinnan korkeuden mittaamiseksi - Google Patents

Menetelmä ja sovitelma nestepinnan korkeuden mittaamiseksi

Info

Publication number
FI98159B
FI98159B FI953107A FI953107A FI98159B FI 98159 B FI98159 B FI 98159B FI 953107 A FI953107 A FI 953107A FI 953107 A FI953107 A FI 953107A FI 98159 B FI98159 B FI 98159B
Authority
FI
Finland
Prior art keywords
measuring
height
arrangement
liquid surface
liquid
Prior art date
Application number
FI953107A
Other languages
English (en)
Swedish (sv)
Other versions
FI98159C (fi
FI953107A0 (fi
Inventor
Pertti Puukangas
Antti Saerelae
Original Assignee
Instrumentarium Oy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Instrumentarium Oy filed Critical Instrumentarium Oy
Priority to FI953107A priority Critical patent/FI98159C/fi
Publication of FI953107A0 publication Critical patent/FI953107A0/fi
Priority to US08/666,851 priority patent/US5735167A/en
Priority to EP96304581A priority patent/EP0750181A1/en
Publication of FI98159B publication Critical patent/FI98159B/fi
Application granted granted Critical
Publication of FI98159C publication Critical patent/FI98159C/fi

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
    • G01F23/266—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 measuring circuits therefor

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)
FI953107A 1995-06-21 1995-06-21 Menetelmä ja sovitelma nestepinnan korkeuden mittaamiseksi FI98159C (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI953107A FI98159C (fi) 1995-06-21 1995-06-21 Menetelmä ja sovitelma nestepinnan korkeuden mittaamiseksi
US08/666,851 US5735167A (en) 1995-06-21 1996-06-19 Method and arrangement for measuring liquid level
EP96304581A EP0750181A1 (en) 1995-06-21 1996-06-20 Method and arrangement for measuring liquid level

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI953107 1995-06-21
FI953107A FI98159C (fi) 1995-06-21 1995-06-21 Menetelmä ja sovitelma nestepinnan korkeuden mittaamiseksi

Publications (3)

Publication Number Publication Date
FI953107A0 FI953107A0 (fi) 1995-06-21
FI98159B true FI98159B (fi) 1997-01-15
FI98159C FI98159C (fi) 1997-04-25

Family

ID=8543657

Family Applications (1)

Application Number Title Priority Date Filing Date
FI953107A FI98159C (fi) 1995-06-21 1995-06-21 Menetelmä ja sovitelma nestepinnan korkeuden mittaamiseksi

Country Status (3)

Country Link
US (1) US5735167A (fi)
EP (1) EP0750181A1 (fi)
FI (1) FI98159C (fi)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000190457A (ja) * 1998-05-13 2000-07-11 Mitsubishi Materials Corp 容器内の液量の検出方法及びその装置
JP3710230B2 (ja) * 1996-10-04 2005-10-26 キヤノン株式会社 インク検出方法、およびインクジェット記録装置
FR2763681A1 (fr) * 1997-05-26 1998-11-27 Canon Kk Dispositif de determination d'une quantite de produit consommable presente dans un reservoir et dispositif d'impression de documents correspondant
AUPP167998A0 (en) * 1998-02-05 1998-02-26 Vos Industries Limited Level sensor for cooking apparatus
EP1710084B1 (en) * 2000-06-16 2008-10-22 Canon Kabushiki Kaisha Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, and associated method of use
DE102004053567A1 (de) * 2004-11-05 2006-05-11 Heuft Systemtechnik Gmbh Verfahren zur Feststellung der Integrität eines in einem Behälter befindlichen Produktes
US7159456B2 (en) * 2004-12-10 2007-01-09 General Motors Corporation Level indicator for liquid hydrogen tank
SE528735C2 (sv) * 2005-06-13 2007-02-06 Roland Braennstroem Mätanordning för mätning av föroreningar i en vätska
US20070180904A1 (en) * 2006-02-06 2007-08-09 Alcon, Inc. Fluid level sensor
DE102007004693A1 (de) * 2007-01-25 2008-07-31 Abertax Research And Development Ltd. Resonanzsensor-Einrichtung zur Ermittlung eines Flüssigkeitspegels
US8549910B2 (en) 2010-01-07 2013-10-08 Federal-Mogul Corporation Fuel system electro-static potential differential level sensor element and hardware/software configuration
CN102529401B (zh) * 2012-01-20 2014-08-13 珠海天威技术开发有限公司 墨盒芯片及其工作方法、墨盒
WO2016161578A1 (en) * 2015-04-08 2016-10-13 Mann+Hummel Gmbh Centrifugal separator
FR3054659B1 (fr) * 2016-07-28 2019-08-16 V.V Electronic Systeme de detection de niveau liquide a capteur capacitif et pompe comportant un tel systeme
US10597118B2 (en) 2016-09-12 2020-03-24 Kai Concepts, LLC Watercraft device with hydrofoil and electric propeller system
EP3521776A1 (en) * 2018-02-06 2019-08-07 Victor Augusta P. Claes Sensor circuit and use thereof
EP3521524A1 (en) 2018-02-06 2019-08-07 IPee N.V. Sanitary appliance comprising a sensor circuit and use thereof

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR818317A (fr) * 1937-02-24 1937-09-23 Dispositif d'indicateur de niveau de liquide
US2409073A (en) * 1945-03-07 1946-10-08 Gen Electric Capacitor fuel gauge
CH414183A (fr) * 1962-12-29 1966-05-31 Dentzer Marcel Dispositif de mesure et d'affichage d'une grandeur
GB1071656A (en) * 1964-06-02 1967-06-07 Mirko Machacek Capacitive responsive apparatus
SE369479B (fi) * 1973-01-08 1974-09-02 Alfa Laval Ab
US4165641A (en) * 1974-06-17 1979-08-28 P. R. Mallory & Co. Inc. Liquid level sensing means
YU135178A (en) * 1978-06-06 1982-06-30 Energoinvest Ia resonance apparatus for signalling the level of liquid med
DE3128507C2 (de) * 1981-07-18 1986-02-06 Olaf A. 3504 Kaufungen Richter Einrichtung zum Überwachen der Länge einer Flüssigkeitssäule
DE3639455A1 (de) * 1986-11-18 1988-05-26 Heinrich Prof Dr Ing Reents Verfahren mit den dazu gehoerigen vorrichtungen zur vollelektronischen fuellstandsmessung von fluessigkeiten und gasen mit hilfe flexibler und flaechiger, druckaufnehmender sensoren mit peripherie im tank
US5054319A (en) * 1990-09-12 1991-10-08 Fling John J Liquid level sensor and method
GB9109047D0 (en) * 1991-04-26 1991-06-12 Boc Group Plc A sump for liquid anaesthetic agent
DE4203725C2 (de) * 1992-02-08 1994-01-13 Vega Grieshaber Gmbh & Co Anordnung zur potentialgetrennten Kapazitätsmessung, insbesondere zur kapazitiven Füllstandmessung
US5315872A (en) * 1993-05-11 1994-05-31 Edo Corporation, Fiber Science Division Liquid level sensor for electrically conductive liquid
CA2128676C (en) * 1993-09-08 1997-12-23 John D. Sotack Capacitive sensor
US5546005A (en) * 1995-01-09 1996-08-13 Flowline Inc. Guarded capacitance probe and related measurement circuit

Also Published As

Publication number Publication date
FI98159C (fi) 1997-04-25
US5735167A (en) 1998-04-07
FI953107A0 (fi) 1995-06-21
EP0750181A1 (en) 1996-12-27

Similar Documents

Publication Publication Date Title
FI98159B (fi) Menetelmä ja sovitelma nestepinnan korkeuden mittaamiseksi
DE69619857D1 (de) Oberflächenformvermessung
ZA953289B (en) Method and device for the optical determination of a physical quantity
FI951139A (fi) Menetelmä ja laite vaihe-eron mittaamiseksi
DE69617218D1 (de) Flussigkeitsmengesensor und verfahren
FI950726A (fi) Menetelmä ja laite vesistön pohjan imemiseksi
DE69512492D1 (de) Proportionaler Messwandler und Verfahren
FI941098A0 (fi) Menetelmä ja laitteisto levyn pinnalla olevien epäpuhtauksien havaitsemiseksi
GB2299404B (en) Process and device for the optical testing of a surface
EP0703443A4 (en) METHOD FOR MEASURING THE ORIENTATION OF FIBERS ON THE SURFACE OF A PAPER
EP0608544A3 (de) Verfahren und Vorrichtung zur optischen Porositätsmessung an einer laufenden Bahn.
FI962732A0 (fi) Menetelmä materiaalin pinnan karheuden mittaamiseksi
IL109525A0 (en) Device for optically measuring the height of a surface
GB2301222B (en) Monitor for measuring the radioactivity of a surface
AU6580094A (en) Method for the measurement of the surface tension of biological fluids
GB9525080D0 (en) Surface form measurement
AU7461994A (en) Optic method for measuring of the level of the surface of a liquid
DE59608907D1 (de) Einrichtung zum Bestimmen der Position von Zeigern
FI95078C (fi) Menetelmä ja laitteisto pitkänomaisten kappaleiden muodon optiseksi mittaamiseksi
GB2295254B (en) Method of sensing liquid level
FI100900B (fi) Menetelmä ja verkko vesialueen pohjan tarkistamiseksi
RU1821683C (en) Method for measuring surface tension of liquid
NO951185D0 (no) Nivåmåling for væske
FI950556A0 (fi) Menetelmä näytteen biohajoavuuden mittaamiseksi
ATA79695A (de) Verfahren zum messen der höhe des flüssigkeitsspiegels

Legal Events

Date Code Title Description
BB Publication of examined application