Coffee machine
US5014611A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1989 |
| Grant date | May 14, 1991 |
| Priority date | — |
| Expiry date | Dec 22, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J31/402
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A coffee machine wherefrom an user may optionally request different coffees as to the volume of beverage and wherein the infusion water temperature in a heater (7) is made to lower as the quantity of the requested beverage increases; to this purpose, the machine is provided with a control means assembly comprising: a meter (12, 24) for the quantity of water moving to an extraction chamber (3), a temperature transducer (13) for sensing the temperatures the water achieves in the heater (7) and a calculator (14) adapted to receive the signals from said meter (12, 24) and temperature transducer (13) and control, according to a given algorithm, the water temperature in the heater (7) as a function of the moving water quantity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.