Washing machine, in particular a laundry machine or washing/drying machine or a dishwasher, equipped with a device for detecting the temperature of the electric resistance used for warming up the wash liquid

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United States of America Patent

PATENT NO 8882346
APP PUB NO 20110310927A1
SERIAL NO

13120201

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Abstract

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The present invention relates to a washing machine (2), in particular a laundry washing or washing/drying machine or a dishwasher, comprising: a tub (3) adapted to contain a wash liquid (4), an electric resistance (1) for heating the wash liquid (4), a temperature sensor (5) for detecting the temperature of the wash liquid (4), wherein the resistance (1) and the temperature sensor (5) are put in a condition of thermal exchange by conduction. The invention also relates to a method for evaluating whether the resistance is emerged from or submerged in the wash liquid and to a method for removing calcareous deposits (17) from an electric resistance (1) adapted to heat a wash liquid (4) in a washing machine (2), in particular a laundry washing or washing/drying machine or a dishwasher, characterized in that the resistance (1) is subjected to at least one heating and cooling cycle while the resistance (1) is kept above the wash liquid (4).

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Patent Owner(s)

  • WHIRLPOOL EMEA SPA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bombardieri, Giovanni Albino, IT 10 48
Funari, Mariano Force, IT 1 6
Mariotti, Costantino Sigillo, IT 3 11
Potena, Giuseppina Pia Fabriano, IT 3 9

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