CA1010975A - Optical-electrical apparatus for detecting the presence of a liquid medium - Google Patents

Optical-electrical apparatus for detecting the presence of a liquid medium

Info

Publication number
CA1010975A
CA1010975A CA200,447A CA200447A CA1010975A CA 1010975 A CA1010975 A CA 1010975A CA 200447 A CA200447 A CA 200447A CA 1010975 A CA1010975 A CA 1010975A
Authority
CA
Canada
Prior art keywords
detecting
optical
liquid medium
electrical apparatus
electrical
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
CA200,447A
Other languages
English (en)
Inventor
Johann Kierner
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.)
Hectronic AG
Original Assignee
Hectronic AG
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 Hectronic AG filed Critical Hectronic AG
Application granted granted Critical
Publication of CA1010975A publication Critical patent/CA1010975A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
CA200,447A 1973-05-22 1974-05-21 Optical-electrical apparatus for detecting the presence of a liquid medium Expired CA1010975A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT446073A AT324018B (de) 1973-05-22 1973-05-22 Sonde zum ermitteln von gaselasen in einer flüssigkeit

Publications (1)

Publication Number Publication Date
CA1010975A true CA1010975A (en) 1977-05-24

Family

ID=3564309

Family Applications (1)

Application Number Title Priority Date Filing Date
CA200,447A Expired CA1010975A (en) 1973-05-22 1974-05-21 Optical-electrical apparatus for detecting the presence of a liquid medium

Country Status (7)

Country Link
AT (1) AT324018B (es)
BE (1) BE815349A (es)
CA (1) CA1010975A (es)
CH (1) CH567715A5 (es)
FR (1) FR2230996B1 (es)
GB (1) GB1472185A (es)
NL (1) NL7406910A (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH580802A5 (es) * 1975-07-21 1976-10-15 Hectronic Ag
WO1985000301A1 (en) * 1983-07-01 1985-01-31 Baxter Travenol Laboratories, Inc. Wettable devices operational with aqueous liquids
GB2185309A (en) * 1986-01-14 1987-07-15 Romotex Limited Gas bubble detector
DE3621009A1 (de) * 1986-06-23 1988-01-07 Truetzschler & Co Vorrichtung zur erfassung des fuellstandes in einem fasermaterialspeicher, insbesondere fuer spinnereivorbereitungsmaschinen
CN111122817A (zh) * 2019-12-30 2020-05-08 深圳开立生物医疗科技股份有限公司 一种管路气泡监测方法、装置、存储介质及分析设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE515938A (es) *
GB1051462A (es) * 1963-12-05 1966-12-14
US3548657A (en) * 1967-11-30 1970-12-22 Maria Panerai Device for an outside display of the level of a liquid contained within a tank

Also Published As

Publication number Publication date
CH567715A5 (es) 1975-10-15
NL7406910A (es) 1974-11-26
DE2424387A1 (de) 1974-12-19
AT324018B (de) 1975-08-11
FR2230996A1 (es) 1974-12-20
BE815349A (fr) 1974-09-16
DE2424387B2 (de) 1976-04-15
FR2230996B1 (es) 1978-01-27
GB1472185A (en) 1977-05-04

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