Importance

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Abstract

A filtering device including a casing with an inlet space for liquid to be filtered and an outlet space for filtered liquid; a substantially cylindrical filtering element of the disposable type, which is removably placed within the casing to function therein as a liquid permeable partition between the inlet space and the outlet space; a unique information containing micro circuit or chip provided in the filtering element, adapted to function as an identification label and cooperating with a receiver provided in the casing, so as to provide for a periodical or continuous exchange of information between the micro circuit and the receiver. The micro circuit is embedded, at a circumferential location, in an annular seal provided at a terminal edge of the cylindrical filtering element, the seal enabling the filtering element to sealingly engage an annular seat between the inlet space and the outlet space. The receiver is provided in the seat and includes a flat annular coil, the average diameter of which corresponds with that of the annular seal.

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First Claim