ES450862A1 - Un metodo para detectar el nivel de un liquido. - Google Patents

Un metodo para detectar el nivel de un liquido.

Info

Publication number
ES450862A1
ES450862A1 ES450862A ES450862A ES450862A1 ES 450862 A1 ES450862 A1 ES 450862A1 ES 450862 A ES450862 A ES 450862A ES 450862 A ES450862 A ES 450862A ES 450862 A1 ES450862 A1 ES 450862A1
Authority
ES
Spain
Prior art keywords
fiber
interface
level
fluids
bare
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
ES450862A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES450862A1 publication Critical patent/ES450862A1/es
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)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
ES450862A 1975-08-21 1976-08-20 Un metodo para detectar el nivel de un liquido. Expired ES450862A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3477975A GB1463910A (en) 1975-08-21 1975-08-21 Liquid level sensor

Publications (1)

Publication Number Publication Date
ES450862A1 true ES450862A1 (es) 1977-08-16

Family

ID=10369848

Family Applications (1)

Application Number Title Priority Date Filing Date
ES450862A Expired ES450862A1 (es) 1975-08-21 1976-08-20 Un metodo para detectar el nivel de un liquido.

Country Status (2)

Country Link
ES (1) ES450862A1 (es)
GB (1) GB1463910A (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246340A1 (de) * 1982-12-15 1984-06-20 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Vorrichtung zur messung und ueberwachung des fuellstandes eines fluessigkeitsbehaelters
JPS61198040A (ja) * 1984-12-08 1986-09-02 テストターム・メステヒニーク・ゲー・エム・ベー・ハー・ウント・コンパニー 光学式露点センサ−
EP0194732A3 (en) * 1985-03-13 1987-12-16 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO Sensor for the measurement of the refractive index of a fluid and/or phase boundary between two fluids by means of visible or invisible light
DE10163128A1 (de) * 2001-12-20 2003-07-10 Schneegans Gmbh Messstab
ITPD20100227A1 (it) * 2010-07-19 2012-01-20 Optoelettronica Italia S R L Contenitore per liquidi, ed in particolare del tipo per circolazione sanguigna extracorporea, perfezionato
CN112325983B (zh) * 2020-10-22 2022-07-19 安徽皖控自动化仪表有限公司 一种用于油位测量的高分辨率光纤液位传感器

Also Published As

Publication number Publication date
GB1463910A (en) 1977-02-09

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970612