Patent ID: 7104184
Filing Date: 2006-09-12
Classification: A47J

Abstract:
1. A device for preparing a fluid food with a desired consumption temperature on demand, the device comprising: (a) a first water reservoir which comprises a first controllable water outlet, a first heater operable to heat water in said first reservoir and a first thermal sensor operable to report temperature of water contained in said first reservoir; (b) a second water reservoir which comprises a second controllable water outlet, a second heater operable to heat water in said second reservoir and a second thermal sensor operable to report temperature of water contained in said second reservoir; (c) a first container for holding a formula, said first container having a first controllable dispenser for dispensing said formula; (d) a data-processor/controller operable to receive water temperature data from said first and second thermal sensors, further operable to calculate a quantity of water from each of said first and second reservoirs needed to mix with a quantity of said formula in order to prepare said fluid food at said desired consumption temperature, and further operable to control operation of said first and second controllable water outlets so as to dispense said calculated quantities of water for mixing with said quantity of formula, said data-processor/controller being further designed and configured to command alternating periodic heating of water in said first and second reservoirs to sterilization temperatures, said periodic heating being so controlled that at first times said first reservoir contains water at a temperature above said desired consumption temperature and said second reservoir contains water below said desired consumption temperature, and at second times said first reservoir contains water at a temperature below said desired consumption temperature and said second reservoir contains water above said desired consumption temperature, thereby enabling periodic sterilization by boiling of water in both said first and said second reservoirs, and also enabling said production of food at said desired consumption temperature by mixing of said formula with selected amounts of water from said first and second reservoirs.