A - Human Necessities – 47 – J
Patent
A - Human Necessities
47
J
A47J 31/047 (2006.01)
Patent
CA 2351477
A device for preparing beverages of the type having a closed compartment (c2), an open compartment(cl), an ascension pipe (23} connecting the compartments, and a filtering device (fl) between the ascension pipe (23) and the open compartment (cI), has some disadvantages in that an external heating source is needed, thereby increasing the risk of fire and burning the operating persons. Further, the infusion time is either fixed, being decided by the distance between the lower orifice of the ascending pipe and the bottom of the closed compartment or left to the user to estimate. The inventor has consequently suggested, that the bottom of the closed compartment (c2) at least has two levels (H1, H4), one level of diminished elevation (H4) in a relatively small area around the lower orifice of the ascension pipe (23), the level {H3) of which is at least below the other elevated level {H1) of a relatively large area, said large area being equipped with electrical heating means (hel, he2) controlled by switching means and at least one temperature sensitive means (B) for controlling the switching means, said large area of the bottom being surrounded by a rim (25) for holding a residual of liquid.
Un appareil permettant de préparer des boissons chaudes. Cet appareil, qui comporte un compartiment fermé (c2), un compartiment ouvert (c1), une colonne montante (23) reliant les deux compartiments et un dispositif de filtrage (f1) disposé entre la colonne montante (23) et le compartiment ouvert (c1), présente le désavantage de faire appel à une source de chaleur extérieure, ce qui augmente le risque d'incendie et de brûlures pour les personnes manipulant l'appareil. En outre, la durée d'infusion est soit fixe, déterminée par la distance entre l'orifice inférieur de la colonne montante et le fond du compartiment fermé, soit déterminée par l'utilisateur. Par conséquent, dans la présente invention, il est suggéré que le fond de compartiment fermé (c2) comprenne au moins deux niveaux (H1, H4): l'un présentant une élévation réduite (H4) dans une zone relativement petite entourant l'orifice inférieur de la colonne montante (23), dont le niveau (H3) se situe au moins au-dessous du niveau élevé (H1) d'une zone relativement grande. Cette dernière est pourvue d'un chauffage électrique (he1, he2) commandé par un commutateur et d'au moins un dispositif sensible à la température ( theta ) permettant de commander le commutateur. La grande zone du fond du compartiment est entourée d'un rebord (25) destiné à contenir un résidu de liquide.
Bull Housser & Tupper Llp
Pi-Design Ag
LandOfFree
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