AU3881772A - Liquid level detecting apparatus - Google Patents

Liquid level detecting apparatus

Info

Publication number
AU3881772A
AU3881772A AU38817/72A AU3881772A AU3881772A AU 3881772 A AU3881772 A AU 3881772A AU 38817/72 A AU38817/72 A AU 38817/72A AU 3881772 A AU3881772 A AU 3881772A AU 3881772 A AU3881772 A AU 3881772A
Authority
AU
Australia
Prior art keywords
liquid level
detecting apparatus
level detecting
liquid
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.)
Expired
Application number
AU38817/72A
Inventor
Chresby Derek
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.)
James A Jobling and Co Ltd
Original Assignee
Jobling J A & Co Ltd
Jobling Ja & Co Ltd
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 Jobling J A & Co Ltd, Jobling Ja & Co Ltd filed Critical Jobling J A & Co Ltd
Publication of AU3881772A publication Critical patent/AU3881772A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
AU38817/72A 1971-02-10 1972-02-09 Liquid level detecting apparatus Expired AU3881772A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB439171A GB1359161A (en) 1971-02-10 1971-02-10 Liquid level detecting apparatus
GBGB04391/71 1971-02-10
GB3219871 1971-07-08
GBGB32198/71 1971-07-08

Publications (1)

Publication Number Publication Date
AU3881772A true AU3881772A (en) 1973-08-16

Family

ID=26239089

Family Applications (1)

Application Number Title Priority Date Filing Date
AU38817/72A Expired AU3881772A (en) 1971-02-10 1972-02-09 Liquid level detecting apparatus

Country Status (6)

Country Link
AU (1) AU3881772A (en)
DE (1) DE2206344A1 (en)
ES (1) ES399613A1 (en)
FR (1) FR2124607A1 (en)
GB (1) GB1359161A (en)
NL (1) NL7201627A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS180899B1 (en) * 1975-10-09 1978-02-28 Antonin Havlik Automatic container calibrating equipment
DE3275317D1 (en) * 1982-03-11 1987-03-05 Dema Glass Limited Method and apparatus for gauging vessels
JPS60137661A (en) * 1983-12-26 1985-07-22 Canon Inc Ink storage device
GB8501367D0 (en) * 1985-01-18 1985-02-20 Univ Manchester Detecting presence/absence of liquid in vessel
FR2619445B1 (en) * 1987-08-10 1992-04-03 Automatisme Production Sa LEVEL DETECTION DEVICE FOR TRANSLUCENT WALL LEVEL TUBE
US4928514A (en) * 1987-09-15 1990-05-29 Great Plains Industries, Inc. Calibration container
GB2212262B (en) * 1987-11-09 1992-07-22 Solinst Canada Ltd Liquid level detector
US4880982A (en) * 1987-11-17 1989-11-14 Impex Production & Development A/S (Ltd.) Fluid indicator for a containment vessel
DE19831635A1 (en) * 1998-07-15 2000-01-20 Thomas Atzinger Detector controlling rising of leavened dough in proofing chamber, uses ultrasonic proximity sensor or split laser beams to determine and indicate when dough rises to predetermined height
FR2784861B1 (en) * 1998-10-22 2001-01-05 Chopin APPARATUS FOR MONITORING THE DEVELOPMENT OF A PASTE MASS DURING FERMENTATION
FR2790553A1 (en) * 1999-03-02 2000-09-08 Instrumentation Scient De Labo Detector for meniscus of sample of petroleum product in analysis tube, has axes offset by specific angle
EP3302248A4 (en) 2015-06-01 2019-01-30 Digital Hospital, Inc. Dosage confirmation apparatus
SK500202017A3 (en) * 2017-03-19 2018-10-01 Rona, A.S. Method and apparatus for indicating the volume of the container, in particular the glass cup
WO2021024522A1 (en) * 2019-08-02 2021-02-11 株式会社日立ハイテク Automatic analysis device
CN112146725A (en) * 2020-09-14 2020-12-29 武汉深蓝恒业数码科技有限公司 Method and device for detecting liquid level of pipeline

Also Published As

Publication number Publication date
NL7201627A (en) 1972-08-14
ES399613A1 (en) 1975-06-16
DE2206344A1 (en) 1972-08-31
FR2124607A1 (en) 1972-09-22
GB1359161A (en) 1974-07-10

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