Device and method for level monitoring in a Household appliance conveying liquid

The apparatus includes a loop around which the fluid is circulated and in which is arranged a sieve system. At least one optical level measuring device is provided. This measures fluid level in the circulation direction before the sieve and after the sieve. The level measuring device preferably has...

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Main Authors FORST, KLAUS-MARTIN, FÜGLEIN, STEFAN, STEINER, WINFRIED, STAHLMANN, ROLF, DAUME, CHRISTIAN
Format Patent
LanguageEnglish
Polish
Published 31.07.2018
Subjects
COFFEE MILLS
DOMESTIC ARTICLES OR APPLIANCES
DOMESTIC WASHING OR CLEANING
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
FURNITURE
HUMAN NECESSITIES
LAUNDERING
LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILEARTICLES
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
SPICE MILLS
SUCTION CLEANERS IN GENERAL
TESTING
TEXTILES
TREATMENT OF TEXTILES OR THE LIKE
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Summary:The apparatus includes a loop around which the fluid is circulated and in which is arranged a sieve system. At least one optical level measuring device is provided. This measures fluid level in the circulation direction before the sieve and after the sieve. The level measuring device preferably has a waveguide, a light source and a light detector. The waveguide is preferably made of quartz, glass or plastic and is preferably in the form of a prism or cylinder. Independent claims also cover a method of monitoring the fluid level.
Bibliography:Application Number: PL04026360T