DE3614130C2 - - Google Patents

Info

Publication number
DE3614130C2
DE3614130C2 DE19863614130 DE3614130A DE3614130C2 DE 3614130 C2 DE3614130 C2 DE 3614130C2 DE 19863614130 DE19863614130 DE 19863614130 DE 3614130 A DE3614130 A DE 3614130A DE 3614130 C2 DE3614130 C2 DE 3614130C2
Authority
DE
Germany
Prior art keywords
waveguide
liquid
gap
optical
optical waveguide
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
DE19863614130
Other languages
German (de)
English (en)
Other versions
DE3614130A1 (de
Inventor
Manfred Dr.-Ing. 8021 Taufkirchen De Lang
Anton Dipl.-Ing. Pautz (Fh), 8000 Muenchen, De
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.)
Spinner GmbH
Original Assignee
Spinner GmbH
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 Spinner GmbH filed Critical Spinner GmbH
Priority to DE19863614130 priority Critical patent/DE3614130A1/de
Publication of DE3614130A1 publication Critical patent/DE3614130A1/de
Application granted granted Critical
Publication of DE3614130C2 publication Critical patent/DE3614130C2/de
Granted 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

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)
DE19863614130 1986-04-25 1986-04-25 Fluessigkeitspegelfuehler Granted DE3614130A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19863614130 DE3614130A1 (de) 1986-04-25 1986-04-25 Fluessigkeitspegelfuehler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863614130 DE3614130A1 (de) 1986-04-25 1986-04-25 Fluessigkeitspegelfuehler

Publications (2)

Publication Number Publication Date
DE3614130A1 DE3614130A1 (de) 1987-10-29
DE3614130C2 true DE3614130C2 (enrdf_load_stackoverflow) 1989-06-22

Family

ID=6299578

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863614130 Granted DE3614130A1 (de) 1986-04-25 1986-04-25 Fluessigkeitspegelfuehler

Country Status (1)

Country Link
DE (1) DE3614130A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4878383A (en) * 1987-11-02 1989-11-07 United Technologies Corporation Optical fluid level sensor
DE102017214006A1 (de) * 2017-08-10 2019-02-14 BSH Hausgeräte GmbH Heißgetränkezubereitungsvorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2634919A1 (de) * 1976-08-03 1978-02-09 Kloeckner Humboldt Deutz Ag Vorrichtung zur anzeige des fluessigkeitsstandes in einem behaelter
CA1082053A (en) * 1976-09-02 1980-07-22 Fred A. Vaccari Optical material level probe
DE3328141A1 (de) * 1983-08-04 1985-02-21 kabelmetal electro GmbH, 3000 Hannover Vorrichtung zur ueberwachung eines fluessigkeitsspiegels

Also Published As

Publication number Publication date
DE3614130A1 (de) 1987-10-29

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee