Integrated heater for a beverage preparation device

A - Human Necessities – 47 – J

Patent

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Details

A47J 31/54 (2006.01) A47J 31/36 (2006.01) F24H 1/10 (2006.01) F24H 1/14 (2006.01) F24H 9/20 (2006.01) H01R 13/631 (2006.01)

Patent

CA 2701664

An integrated in-line heater (1,8,9) for a liquid food or beverage preparation machine, in which liquid is circulated through said heater and then guided into a brewing chamber (7) for brewing a food or beverage ingredient, for instance within a pod or capsule (7), supplied into the brewing chamber. An upstream part of the brewing chamber may be formed by the heater. One or more electric components (5,60,70,75) may be incorporated into the heater and rigidly connected to a printed circuit board (50). The heater may have a tubular inner core (9) that is eccentric with respect to a tubular or prismatic outer member (8) which form together a helicoidal heating chamber (4) of variable cross-section (4',4").

L'invention porte sur un dispositif de chauffage en ligne intégré (1, 8, 9) destiné à une machine de préparation d'aliment sous forme liquide ou de boisson, dans laquelle du liquide est mis en circulation à travers ledit dispositif de chauffage pour être ensuite guidé dans une chambre de percolation (7) pour préparer un ingrédient d'aliment ou de boisson, par exemple à l'intérieur d'une coque ou d'une capsule (7''), adressé à la chambre de percolation. Une partie amont de la chambre de percolation peut être formée par le dispositif de chauffage. Un ou plusieurs composants électriques (5, 60, 70, 75) peuvent être incorporés dans le dispositif de chauffage et peuvent être connectés rigidement à une carte de circuit imprimé (50). Le dispositif de chauffage peut comporter un noyau interne tubulaire (9) qui est excentrique par rapport à un élément externe tubulaire ou prismatique (8), lesquels forment conjointement une chambre de chauffage hélicoïdale (4) de section transversale variable (4').

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