A portable hot water dispensing machine, particularly suitable for dispensing espresso, that is compact, lightweight, requires minimal power to operate, and is readily transportable, and a method of dispensing hot water, such as espresso. Two-stage heating is utilized for reducing the boiler volume
A portable hot water dispensing machine, particularly suitable for dispensing espresso, that is compact, lightweight, requires minimal power to operate, and is readily transportable, and a method of dispensing hot water, such as espresso. Two-stage heating is utilized for reducing the boiler volume and power requirements. In addition, components are thermally insulated and are strategically spaced to maximize space and allow for portability.
대표청구항▼
What is claimed is: 1. Apparatus for dispensing hot water, comprising: a water reservoir; a first heater for heating water in said reservoir to a first temperature; a second heater for heating water from said reservoir to a second temperature higher than said first temperature; a water pump having
What is claimed is: 1. Apparatus for dispensing hot water, comprising: a water reservoir; a first heater for heating water in said reservoir to a first temperature; a second heater for heating water from said reservoir to a second temperature higher than said first temperature; a water pump having an inlet in fluid communication with said water reservoir and an outlet in fluid communication with said second heater, said pump positioned to pump said water in said water reservoir heated by said first heater directly to said second heater; and a dispenser for dispensing the heated water. 2. The apparatus of claim 1, further comprising a brew head and a portafilter, and wherein said portafilter is adapted to hold beverage material. 3. The apparatus of claim 1, wherein said beverage material is coffee. 4. The apparatus of claim 3, wherein said coffee is in the form of beans, grinds, pods or capsules. 5. The apparatus of claim 1, wherein said first heater is adapted to heat said water to a temperature of about 140° F. 6. The apparatus of claim 1, wherein said second heater is adapted to heat said water to a temperature of about 205° F. 7. The apparatus of claim 2, wherein said second heater is a thermo-block, and wherein said brew head is integrated into said thermo-block. 8. The apparatus of claim 2, wherein said second heater is an oil-filled heater. 9. The apparatus of claim 1, wherein said first heater, said pump and said second heater are vertically aligned. 10. The apparatus of claim 2, wherein said first heater, said pump, said second heater are arranged in housings with perimeters that are vertically aligned. 11. The apparatus of claim 7, wherein said thermoblock comprises a spirally water channel. 12. The apparatus of claim 2, wherein the water heated to said second temperature contacts said beverage material for about 20 seconds. 13. A method for preparing hot liquid, comprising: providing a water reservoir; heating water in said water reservoir with said first heater to a first temperature; providing a second heater; providing a fluid path from said water reservoir to said second heater via a pump; pumping said heated water to said second heater; heating said pumped water with said second heater to a second temperature higher than said first temperature; and dispensing the resulting heated water. 14. The method of claim 13, further comprising providing a beverage material, and contacting said beverage material with said water heated by said second heater. 15. The method of claim 14, wherein said beverage material is coffee. 16. The method of claim 15, wherein said coffee is in the form of beans, grinds, pods or capsules. 17. The method of claim 14, wherein said beverage material is contacted with said heated water after passing through a brew head. 18. The method of claim 13, further comprising sensing the temperature of said heated water in said reservoir, and commencing said pumping operation in response to said sensed temperature when said sensed temperature reaches said first temperature. 19. The method of claim 14, where said water is in contact with said beverage material for about 20 seconds. 20. The method of claim 16, wherein said dispensed water is espresso. 21. The apparatus of claim 1, wherein said pump pumps said water under a pressure of about 100 psi. 22. The method of claim 13, wherein said pump pumps said water under a pressure of about 100 psi.
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