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1.4
Powder dosing system
The powder dosing system consists of an ingredient canister that is driven by the canister motor.
Pressing the start button starts the canister motor after a certain delay. This motor drives a worm, which
transports the ingredient to the canister's outlet. The controls for the canister motor enable the timing and
the dosing speed to be controlled independently. This enables ingredients to enter the mixing chamber while
the water is flowing.
The canister motor will stop a little sooner than the water in order to rinse the mixing beaker. The canister
will use springs based on the type of ingredient. These springs reduce the amount of tunnel formation,
meaning the sticking of ingredients to the walls.
1.5
Mixing system
The mixing unit (Fig.15) mixes the hot water and the ingredient.
When a selection button is pressed, the water is dosed in the mixing chamber after a slight delay. The
product falls into the mixing chamber. Depending on the selected drink, the mixer starts rotating at a certain
number of revolutions per minute.
There is a exhaust hood on top of the mixing chamber (Fig.14). This cover has an opening at the back that
the plates press into an exhaust outlet. This exhaust system ensures that steam from the mixing chamber
does not reach the ingredient canister outlet.
Fig. 16 shows an example of an exhaust system that can be used for three mixing systems
Fig. 14 Mixing unit
Fig. 15 Exhaust hood
6
Fig. 16 Steam exhaust system for three mixing
systems
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