Infusion making machine i.e. espresso coffee machine, has dose detection device for indicating presence/absence of dose in preset detection zone to control device, where zone is located in free space of infusion chamber in open position

摘要

#CMT# #/CMT# The machine (1) has an infusion chamber (10) including a receptacle (11) with an opening to receive a pre-packed product dose (4) to be infused. A cover (12) is movable relative to the receptacle between open and closed positions by an action of a control device. A supply duct (8) delivers the product dose from an introduction opening (9) till the receptacle by passing via a free space of the chamber in open position. A product dose detection device (21) indicates presence/absence of the dose in a preset detection zone to the control device. The zone is located in the free space. #CMT# : #/CMT# An independent claim is also included for a method of controlling an infusion making machine. #CMT#USE : #/CMT# Infusion making machine i.e. espresso coffee machine. Can also be used for making tea, milk or chocolate drink. #CMT#ADVANTAGE : #/CMT# The single detection device ensures the detection of different malfunctioning and incidents during functioning of the machine, while providing a reliable indication regarding correct positioning of the dose in the receptacle. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a sectional perspective view of an infusion making machine comprising an infusion chamber in open position and a product dose detection device. 1 : Espresso coffee machine 4 : Pre-packed product dose 8 : Supply duct 9 : Introduction opening 10 : Infusion chamber 11 : Receptacle 12 : Cover 21 : Detection device.