Disclosed is a cold brew coffee maker and related methods of making cold brew coffee. The cold brew coffee maker can include a rotation assembly, a brew chamber, and a strainer/stirrer assembly. The strainer/stirrer assembly is adapted to be insertable into the brew chamber. The strainer/stirrer assembly having a first and second impeller that are located at a bottom portion of the strainer/stirrer assembly, the first impeller being located externally to the strainer/stirrer assembly and the second impeller located within a chamber formed by the strainer/stirrer assembly. The brew chamber portion of the cold brew coffee maker being filled partially with water, the strainer/stirrer assembly placed into the brew chamber and the brew chamber placed atop the rotation assembly. Ground coffee is added to the chamber located within the strainer/stirrer assembly and the rotation assembly is energized such that the first and second impellers cause the ground coffee and water to be mixed until a desired amount of coffee flavor is imparted upon the water by the ground coffee.

The present invention relates to an apparatus (100) for producing a driving force for stirring samples, in particular samples for laboratory operations such as, for example, liquids, liquids with solid samples contained therein or solid samples, said apparatus comprising a sample holder (200) for receiving at least one sample vessel (220) for samples and a bar element (300), which extends along a longitudinal axis (LA) and which is connected to the sample holder (200), wherein the bar element (300) comprises a coupling portion (310) for detachably coupling the bar element (300) to an operating unit (800), a fastening portion (320) for fastening the sample holder (200) to the bar element (300) and for positioning the sample holder (200) along the longitudinal axis (LA) in defined fashion, and a magnetic stirring portion (330), wherein the bar element (300) is embodied in such a way that a magnetic field that rotates relative to the sample holder (200) about the longitudinal axis (LA) can be produced by means of the magnetic stirring portion (330). The invention further relates to system (700) comprising an operating unit (800) and the apparatus (100) according to the invention, which are detachably coupled by way of the coupling portion (310). The invention further relates to a process for stirring samples in sample vessels by means of the system (700).

A magnetically-coupled liquid mixer has axial and radial directions, and comprises: a drive mount to be secured to a wall of a mixing tank and having a stationary closed-end cylindrical casing arranged in the axial direction and configured for protruding into the tank, a tank-external drive rotor having a rotatable first magnet array and configured to be inserted in the cylindrical casing, and an impeller configured for being rotatably-mounted on the cylindrical casing and having a plurality of radially extending blades and a second magnet array. The first and second magnet arrays in an assembled state of the mixer are configured for enabling rotary torque to be transferred from the drive rotor to the impeller by magnetic coupling between the first and second magnet arrays. An upper portion of at least one blade is curved/angled in an intended direction of rotation to help move liquid axially downwards during impeller rotation.

An agitator comprising a rotatable impeller comprising blades, magnets, and a shaft, wherein the impeller is configured to be driven by a drive unit magnetically coupled to the impeller, and an impeller seat receiving the rotatable impeller, the impeller seat comprising an upwardly arranged cylindrical housing, a flange, and a base, the cylindrical housing comprising a central opening for the impeller shaft, and the base comprising a collar and pins arranged to engage with a locking and centering mechanism, as well as a mixer engagement unit including the agitator, a mixer system, a mixing vessel, and methods of using the agitator, mixer engagement unit, mixer system, and mixing vessel, are disclosed.

A machine system and method provide to allow for the reconstituting of a powdered material into a juice blend. The machine including a cartridge having a cavity for the placement of the powder. The cartridge adapted to dispense the powder into a container for mixing with a fluid. The machine system including a controller and human machine interface allowing a user of the machine to customize and generally select the contents of more than one cartridge for the formation of beverage mixed from multiple beverages.

A cooker includes: a main body; a container inside the main body; a stirring body having a blade for stirring an object to be cooked in the container and a magnet at a position facing an inner bottom part of the container; a magnetic field generator inside the main body and configured to generate a rotating magnetic field so that a rotational force of the rotating magnetic field acts on the magnet; and a controller inside the main body and configured to control the magnetic field generator so that: (i) a direction of rotation of the rotating magnetic field is switched between a forward rotation direction and a reverse rotation direction that is reverse to the forward rotation direction; and (ii) a number M of rotations in the reverse rotation direction is less than a number N of rotations in the forward rotation direction.

Magnetic-based actuation mechanisms for and methods of actuating magnetically responsive microposts in a reaction (or assay) chamber is disclosed. Namely, a microfluidics system is provided that includes a microfluidics device (or cartridge) that includes the reaction (or assay) chamber in which a field of surface-attached magnetically responsive microposts is installed. The presently disclosed magnetic-based actuation mechanisms are provided in close proximity to the magnetically responsive microposts wherein the magnetic-based actuation mechanisms are used for actuating the magnetically responsive microposts. Namely, the magnetic-based actuation mechanisms generate an actuation force that is used to compel at least some of the magnetically responsive microposts to exhibit motion. Additionally, methods of using the presently disclosed magnetic-based actuation mechanisms for actuating the magnetically responsive microposts are provided.

An appliance to foam a liquid for consumption, the appliance comprising: a container mounting portion to mount thereto a container to contain said liquid; an agitation system configured to foam said liquid, said system comprising a stator arranged external a mounted container, said stator configured to generate a rotating magnetic field for transmission of torque to rotate a rotary agitator arranged in a mounted container, wherein said stator comprises at a circuit board with electrically conductive portions formed thereon.

A machine (1) for homogenising a food substance has: a container (10) with a side wall (11) and a bottom wall (12) delimiting a cavity (10); an impeller (30) with an impelling member (31) forming an impelling surface (31,31,31) that is drivable in rotation (r) about a central axial direction (30) of the impelling surface (31,31,31) for imparting a mechanical effect to the food substance; and a module (20) which has a housing means (22) that contains an inner chamber (22,22a) and that delimits a seat (21) for the container (10), the chamber (22,22a) containing an electric motor (24). The electric motor (24) has an output drive axis (24) with a driver device (24) configured to drive a follower device (35) of the impeller (30). The driver device (24) and the follower device (35) are magnetically coupled through a sidewall (11) and/or bottom wall (12) of the container (10). The driver device (24) comprises a ferromagnetic or magnetic field-generating element (24a) that is arranged to be magnetically coupled to a corresponding ferromagnetic or magnetic field-generating element (36) of the follower device (35). The follower device (35) extends over a predominant part of the bottom wall (12) of the container (10) or across a substantial part of the wall (12) along a diameter thereof. The driver device (24) extends over a predominant part of a bottom part of the seat (21) or across a substantial part of the bottom part of the seat (21) along a diameter thereof. The ferromagnetic and magnetic field generating elements (24a,36) are positioned at extremal or peripheral parts of the follower device (35) and of the driver device (24).

A mixing apparatus for mixing substances includes a single-use apparatus and a reusable apparatus. The single-use apparatus includes a flexible mixing tank configured to receive the at least two substances to be mixed, is plastic, and has a rotor arranged in the mixing tank. The rotor includes an impeller configured to mix the at least two substances, the impeller being magnetically contactlessly drivable and free of coils and permanent magnets. The reusable apparatus includes a support tank configured to receive the mixing tank and a stator configured to magnetically contactlessly drive the rotor about an axis of rotation in an operating state. The stator includes at least one permanent magnet configured to generate a permanent magnet flux and at least one winding configured to generate an electromagnetic flux, the permanent magnet flux and the electromagnetic flux together being capable of driving the rotor.