Device for heating a liquid and method for heating a liquid

A - Human Necessities – 47 – J

Patent

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Details

A47J 31/54 (2006.01) F24H 1/10 (2006.01)

Patent

CA 2578732

The invention relates to a liquid heating device comprising a body provided with a liquid flow channel which comprises a liquid inlet (10) and a liquid outlet (20) and is connected to at least one electrical heating body (14) whose feeding is controlled by switching means (16) connected to control means (18). The inventive device is characterised in that the channel consists of at least one first and second portions (12) thereof which are connected to each other by a third channel portion forming a connection conduit (32), each first and second channel portion are associated with at least one heating body (14) and the connection conduit is associated with an intermediate temperature sensor (48) connected to said control means for controlling the heating body of said at least second channel portion according to the quantity of useful energy supplyable thereto in order to raise the intermediate temperature measured by the intermediate temperature sensor to a specified temperature level.

La présente invention concerne un dispositif de chauffage d'un liquide, comprenant un corps muni d'un canal pour la circulation d'un liquide, ledit canal ayant une entrée de liquide (10) et une sortie de liquide (20) et étant associé à au moins un corps de chauffe électrique (14) dont l'alimentation est commandée par des moyens de commutation (16) reliés à des moyens de commande (18) , ledit dispositif étant caractérisé en ce ledit canal comprend au moins des première et deuxième portions (12) de canal reliées entre elles par une troisième portion de canal formant un conduit de liaison (32) , en ce que lesdites au moins première et deuxième portions de canal sont associées chacune à au moins un corps de chauffe (14) et en ce que le conduit de liaison est associé à un capteur de température intermédiaire (48) relié audits moyens de commande, pour commander le corps de chauffe de ladite au moins seconde portion de canal en fonction de la quantité d' énergie utile à apporter dans ladite seconde portion de canal pour monter la température intermédiaire mesurée par ledit capteur de température intermédiaire jusqu'à une température de consigne .

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