Patent ID: 9451845
Filing Date: 2016-09-27
CPC Classification: A47J

Claim Text:
1. A brewing or preparation chamber of a beverage preparation device, which is suitable for receiving and extracting a portion capsule filled with powdered or liquid base beverage materials and which comprises, completely or partly, of electrically conductive material, and the brewing or preparation chamber comprises: a stationary first chamber part, which is provided with an opener for opening the portion capsule for the outlet of the beverage and is connected in a fluid-conducting manner to a structure for the beverage to flow out, and a second chamber part which can be moved horizontally or vertically with respect to the first chamber part, is connected in a fluid-conducting manner to an assembly which feeds in the extraction liquid in order to supply the portion capsule with the extraction liquid and is provided with at least two piercing members for opening the portion capsule and for introducing the extraction liquid into the portion capsule, the brewing or preparation chamber being opened to receive a portion capsule and closed to extract the portion capsule; and in each case at least two electrically conductive contacts electrically insulated with respect to each other and with respect to the chamber parts are arranged in the first chamber part and in the second chamber part, and when there is a portion capsule lying in the closed brewing or preparation chamber, the electrically conductive contacts of the first chamber part are in electrically conductive contact with the electrically conductive capsule closing foil, and the electrically conductive contacts of the second chamber part (