EP1177417A4 - Verfahren und vorichtung zur erfassung des fluidstandes in einem behälter - Google Patents

Verfahren und vorichtung zur erfassung des fluidstandes in einem behälter

Info

Publication number
EP1177417A4
EP1177417A4 EP00905654A EP00905654A EP1177417A4 EP 1177417 A4 EP1177417 A4 EP 1177417A4 EP 00905654 A EP00905654 A EP 00905654A EP 00905654 A EP00905654 A EP 00905654A EP 1177417 A4 EP1177417 A4 EP 1177417A4
Authority
EP
European Patent Office
Prior art keywords
container
detection
fluid level
fluid
level
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.)
Withdrawn
Application number
EP00905654A
Other languages
English (en)
French (fr)
Other versions
EP1177417A1 (de
Inventor
R Bruce Draper
Robert W Griffiths
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rocky Mountain Research Inc
Original Assignee
Rocky Mountain Research Inc
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 Rocky Mountain Research Inc filed Critical Rocky Mountain Research Inc
Publication of EP1177417A1 publication Critical patent/EP1177417A1/de
Publication of EP1177417A4 publication Critical patent/EP1177417A4/de
Withdrawn legal-status Critical Current

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
    • 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
    • G01F23/265—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 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
    • 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)
EP00905654A 1999-01-19 2000-01-19 Verfahren und vorichtung zur erfassung des fluidstandes in einem behälter Withdrawn EP1177417A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11630299P 1999-01-19 1999-01-19
US116302P 1999-01-19
PCT/US2000/001212 WO2000042395A1 (en) 1999-01-19 2000-01-19 Method and apparatus for detection of a fluid level in a container

Publications (2)

Publication Number Publication Date
EP1177417A1 EP1177417A1 (de) 2002-02-06
EP1177417A4 true EP1177417A4 (de) 2003-07-23

Family

ID=22366374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00905654A Withdrawn EP1177417A4 (de) 1999-01-19 2000-01-19 Verfahren und vorichtung zur erfassung des fluidstandes in einem behälter

Country Status (3)

Country Link
EP (1) EP1177417A4 (de)
AU (1) AU2730300A (de)
WO (1) WO2000042395A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20010269A1 (it) * 2001-11-20 2003-05-20 Askoll Holding Srl Dispositivo perfezionato per il rilevamento di livello di liquido particolarmente per pompe sommerse.
DE102010001605A1 (de) * 2010-02-04 2011-08-04 Fresenius Medical Care Deutschland GmbH, 61352 Sensorsystem zur Füllstandsdetektion eines Fluids in einem Gefäß
CN102288257B (zh) * 2011-07-28 2012-11-28 南昌大学 一种使用方波信号的液位检测装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111353A2 (de) * 1982-12-13 1984-06-20 Shell Internationale Researchmaatschappij B.V. Vorrichtung zur Feststellung einer Grenzfläche zwischen Abdeckungsmedium und Sole bei der Gewinnung von Mineralien durch Auflösen
US4601201A (en) * 1984-03-14 1986-07-22 Tokyo Tatsuno Co., Ltd. Liquid level and quantity measuring apparatus
US5142909A (en) * 1986-09-29 1992-09-01 Baughman James S Material level indicator
WO1996033393A1 (en) * 1995-04-17 1996-10-24 Kdi Precision Products, Inc. Digital liquid level sensing apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5005407A (en) * 1988-10-11 1991-04-09 Level Electronics, Inc. Fluid level sensing system
US5051921A (en) * 1989-11-30 1991-09-24 David Sarnoff Research Center, Inc. Method and apparatus for detecting liquid composition and actual liquid level
US5135485A (en) * 1991-02-25 1992-08-04 Louis Cohen Capacitance-type fluid level sensor for i.v. and catheter bags

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111353A2 (de) * 1982-12-13 1984-06-20 Shell Internationale Researchmaatschappij B.V. Vorrichtung zur Feststellung einer Grenzfläche zwischen Abdeckungsmedium und Sole bei der Gewinnung von Mineralien durch Auflösen
US4601201A (en) * 1984-03-14 1986-07-22 Tokyo Tatsuno Co., Ltd. Liquid level and quantity measuring apparatus
US5142909A (en) * 1986-09-29 1992-09-01 Baughman James S Material level indicator
WO1996033393A1 (en) * 1995-04-17 1996-10-24 Kdi Precision Products, Inc. Digital liquid level sensing apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0042395A1 *

Also Published As

Publication number Publication date
EP1177417A1 (de) 2002-02-06
AU2730300A (en) 2000-08-01
WO2000042395A9 (en) 2001-10-11
WO2000042395A1 (en) 2000-07-20

Similar Documents

Publication Publication Date Title
GB2340232B (en) Method and apparatus for detecting fluid level in a fluid container
AU2001238127A1 (en) Method and apparatus for monitoring liquid level in a container
GB2345548B (en) Apparatus and method for leak detection
EP0914593A4 (de) Mikroprozessorgestützte vorrichtung zur flüssigkeitsstandsbestimmung und verfahren dazu
HUP0004703A3 (en) Apparatus and method for detecting checks in the finish of translucent containers
IL160249A0 (en) A method and apparatus for detecting extraneous matter in a fluid
PL345235A1 (en) Method of and apparatus for inspecting a ginished sealed container
IL121068A (en) Method and apparatus for detecting the presence of a moving object in a detection area
GB0122735D0 (en) Method and apparatus for determining potential abrasivity in a wellbore
EP1162291A4 (de) Verfahren und vorrichtung zum erfassen des schmelzlevels
GB2369444B (en) A method and apparatus for measuring forces in the presence of external pressure
GB9913902D0 (en) An apparatus for and method of filtering a fluid
HUP0002014A3 (en) Method for level measurement of containers and an apparatus for carrying out the method
AU2971900A (en) Method and apparatus for measuring fluid levels in vessels
AU2001274007A1 (en) Method and device for determining the filling level of a medium in a container
AU2002315328A1 (en) Apparatus for detecting the presence of liquid in a storage container and corresponding method
EP1177417A4 (de) Verfahren und vorichtung zur erfassung des fluidstandes in einem behälter
AU2003222741A1 (en) A method and a system for level measurement of a liquid in containers
GB9910160D0 (en) Apparatus and method for fluid measurement
AU4239501A (en) Method and device for determining the level of a filling in container
GB0123512D0 (en) Method and apparatus for determining a physical or chemical characteristic of a liquid
AU2001292803A1 (en) A method and apparatus for determining the level of particulate material in a particulate material collection vessel
IL123712A0 (en) Apparatus and method for sensing a full level condition for a large basket receptacle or the like
AU9018701A (en) A method of and apparatus for determining the volume of liquid in a reservoir
AU2032201A (en) Method and device for level measurement in tanks

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20010815

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

A4 Supplementary search report drawn up and despatched

Effective date: 20030605

RIC1 Information provided on ipc code assigned before grant

Ipc: 7G 01F 23/26 A

Ipc: 7G 01F 23/00 B

17Q First examination report despatched

Effective date: 20080318

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20130801