Machine for homogenising a food substance

A machine for homogenising a food substance, the machine comprising:

• a container having a side wall and a bottom wall defining a cavity;
• an impeller comprising an impelling member forming an impelling surface that is drivable in rotation about a central axial direction of the impelling surface for imparting a mechanical effect to the food substance in the container to homogenise different phases in the food substance;
• and
• a module which has a housing that contains an inner chamber and that defines a seat on or in which the container is mounted, the inner chamber containing one or more electric components that include an electric motor for driving the impelling member in the container,
• the electric motor having an output drive axis with a driver device configured to drive in the container a follower device of the impeller, the driver device and the follower device being magnetically coupled through the sidewall and/or the bottom wall of the container, and wherein:
• the driver device comprises a magnetic field-generating element that is arranged to be magnetically coupled to a corresponding ferromagnetic element of the follower device;
• the follower device comprises a magnetic field-generating element that is arranged to be magnetically coupled to a corresponding ferromagnetic element of the driver device;
• or
• the driver device comprises a magnetic field-generating element that is arranged to be magnetically coupled to a corresponding magnetic field-generating element of the follower device;
• the follower device extends in a direction selected from the group consisting of:
• over a predominant part of the bottom wall of the container;
• and
• across a substantial part of the bottom wall of the container along a diameter thereof;
• wherein the driver device extends in a direction selected from the group consisting of:
• over a predominant part of a bottom part of the seat;
• and
• across a substantial part of the bottom part of the seat along a diameter thereof;
• the driver device comprises a plurality of first elements, and the follower device comprises a plurality of second elements each respectively arranged to be magnetically coupled to a corresponding one of the plurality of first elements to form a plurality of pairs of such elements, wherein the plurality of first elements are magnetically coupled to the corresponding one of the plurality of second elements through a bottom wall of the container, and wherein the plurality of first and second elements are positioned at extremal or peripheral parts of the driver device and of the follower device, and the machine has a configuration selected from the group consisting of (i) the plurality of first elements are magnetic field-generating elements, and the plurality of second elements are ferromagnetic elements;
• (ii) the plurality of second elements are magnetic field-generating elements, and the plurality of first elements are ferromagnetic elements, and (iii) the plurality of first elements are first magnetic field-generating elements, and the plurality of second elements are second magnetic field-generating elements;
• and
• wherein the impeller comprises the follower device, and the machine comprises the driver device.