AU2003271234A1 - Optical liquid level measuring device - Google Patents

Optical liquid level measuring device

Info

Publication number
AU2003271234A1
AU2003271234A1 AU2003271234A AU2003271234A AU2003271234A1 AU 2003271234 A1 AU2003271234 A1 AU 2003271234A1 AU 2003271234 A AU2003271234 A AU 2003271234A AU 2003271234 A AU2003271234 A AU 2003271234A AU 2003271234 A1 AU2003271234 A1 AU 2003271234A1
Authority
AU
Australia
Prior art keywords
measuring device
liquid level
level measuring
optical liquid
optical
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.)
Abandoned
Application number
AU2003271234A
Inventor
Paul Bruggeman
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2003271234A1 publication Critical patent/AU2003271234A1/en
Abandoned 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
    • G01F23/28—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
AU2003271234A 2002-10-16 2003-10-02 Optical liquid level measuring device Abandoned AU2003271234A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1021669 2002-10-16
NL1021669A NL1021669C2 (en) 2002-10-16 2002-10-16 Liquid level measuring device.
PCT/NL2003/000672 WO2004036154A1 (en) 2002-10-16 2003-10-02 Optical liquid level measuring device

Publications (1)

Publication Number Publication Date
AU2003271234A1 true AU2003271234A1 (en) 2004-05-04

Family

ID=32105706

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003271234A Abandoned AU2003271234A1 (en) 2002-10-16 2003-10-02 Optical liquid level measuring device

Country Status (3)

Country Link
AU (1) AU2003271234A1 (en)
NL (1) NL1021669C2 (en)
WO (1) WO2004036154A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10354856B4 (en) * 2003-11-19 2010-09-16 Optotransmitter-Umweltschutz-Technologie E.V. Method and device for determining changes in surface tension and for determining the level of transparent fluids
CA3005264C (en) 2017-05-17 2019-04-23 A.C. Dispensing Equipment Inc. Optical liquid level measurement system for dispensing apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487309A (en) * 1991-06-08 1996-01-30 Brown; Malcolm C. Device for testing medical infusion
AU1106999A (en) * 1997-10-22 1999-05-10 Argonaut Technologies, Inc. Systems and methods using an optical sensor for liquid metering
US6410932B2 (en) * 1998-12-30 2002-06-25 Intel Corporation Radiation-sensitive-device based level
DE10039765A1 (en) * 2000-08-16 2002-02-28 Volkswagen Ag Device for determining the level of a filling medium in a tank comprises light sender and receiver units with their respective elements arranged at a definite pitch in the level measurement direction

Also Published As

Publication number Publication date
NL1021669C2 (en) 2004-04-20
WO2004036154A1 (en) 2004-04-29

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase