Patent ID: 7032504

Claim:
A filtering device for an espresso maker, the filtering device comprising: a coffee powder basket ( 1 ) comprising a coffee powder receiving section ( 11 ) for receiving coffee powders and a compartment ( 12 ) below the coffee powder receiving section, the compartment ( 12 ) including an outlet ( 13 ) for guiding coffee out of the coffee powder basket; and a filtering mechanism ( 2 ) comprising a filtering plate ( 21 ) and a swirl-creating means ( 23 ), the filtering plate being mounted above the compartment and including a plurality of meshes ( 211 ) for guiding filtered coffee from the coffee powder receiving section into the compartment, the swirl-creating means being mounted in the compartment and located below the filtering plate; the swirl-creating means ( 23 ) including a swirl-creating seat ( 231 ) and a column ( 232 ), the swirl-creating seat including a central chamber ( 2311 ), the swirl-creating seat further including an aperture ( 2312 ) in a central area of a bottom thereof, the aperture ( 2312 ) being aligned with the outlet ( 13 ) of the coffee powder basket ( 1 ), a plurality of guiding channels ( 2313 ) being formed on an inner face of the bottom of the swirl-creating seat ( 231 ) and extending radially outward from the aperture ( 2312 ), the column ( 232 ) including a lower end ( 2321 ) located in the central chamber ( 2311 ) of the swirl-creating seat ( 231 ) and above the aperture ( 2312 ); wherein coffee passing through the meshes of the filtering plate flows through the swirl-creating seat and forms swirl to provide an atomized diffusion effect, allowing the coffee to encompass air and thus form coffee foams.