Method for detecting a submerged or emerged operating condition of an electric resistance used in a washing machine

• Main Authors: BOMBARDIERI, GIOVANNI, MARIOTTI, COSTANTINO, POTENA, GIUSEPPINA PIA, FUNARI, MARIANO
• Format: Patent
• Language: English; French; German
• Published: 09.01.2013
• Subjects: COFFEE MILLS; DOMESTIC ARTICLES OR APPLIANCES; DOMESTIC WASHING OR CLEANING; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; FURNITURE; HUMAN NECESSITIES; LAUNDERING; LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILEARTICLES; SPICE MILLS; SUCTION CLEANERS IN GENERAL; TEXTILES; TREATMENT OF TEXTILES OR THE LIKE

The present invention relates to a method for detecting a submerged or emerged operating condition of an electric resistance used in a washing machine. In the first step of the method, the electric resistance is turned on for a first time interval. In the second step of the method, the electric resistance is turned off. In the third step of the method, the temperature detected by a temperature sensor in a condition of thermal exchange by conduction with the resistance is measured, so that water is supplied into the tub when the temperature reaches or exceeds a predetermined threshold value.