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US 6,553,894 B1Granted
Drip-type coffee-maker comprising a water treatment device
AssigneeMoulinex S.A.
InventorsJean-Pierre Hamon, Pascal Marlin
Life of this patent
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Abstract
A drip-type coffee-maker includes a water reservoir (1) supplying a water-heater with continuous circulation (6), and a device (9) for treating the water in the reservoir with a water-soluble scale preventive agent. The water treating device (9) includes an element (10) for measuring out an amount of scale preventive agent (23) which is determined on the basis of the volume of water supplied to the water-heater (6) and which is injected into the water.
Claims6
In a drip coffeemaker, comprising:
- a reservoir of cold water having an outlet;
- a water treatment device for continuously treating the water in the reservoir with an anti-scaling agent;
- a water heater fluidly connected to the outlet of the reservoir;
- a filter operatively associated with an outlet of the water heater and adapted to receive ground coffee;
- said filter being disposed above an infusion collecting receptacle;
- the improvement wherein the water treatment device comprises a micro-dosing device for injecting a small quantity of anti-scaling agent into the water in the reservoir;
- said quantity being determined as a function of the volume of water supplied to the water heater.
4 more elements
Dependencies are inferred from the claim text.