Foods and beverages: apparatus – Beverage – Infusors
Patent
1989-01-26
1990-07-17
Jenkins, Robert W.
Foods and beverages: apparatus
Beverage
Infusors
99302P, A47J 3134
Patent
active
049413996
ABSTRACT:
An automatic apparatus for the preparation of one or more servings of expresso coffee comprises a rotating board provided with through cylindrical holes which in a first position of rotation of the board are fed with a predetermined amount of fresh coffee grounds, which is also pressed, and by the rotation of the board are brought to an infusion position and lastly to a position of discharge of the coffee grounds.
In the infusion position, the pressed coffee grounds, contained in the through hole of the rotating board, are vertically aligned in a tight manner with an above positioned shower for distribution of a feed of hot water under pressure and with an under positioned filter for the collection of the prepared expresso coffee; the space above and under said shower is in communication with said feed of hot water under pressure through a non return valve having a calibrated opening pressure, which opens upon a tight seal between said board and said filter as well as with said collecting filter which has been established under the action of the pressure of said feed of hot water, and through a relief valve which opens in the absence of said pressure of the hot feed of water and under the action of the residual pressure under said filter.
REFERENCES:
patent: 3055286 (1962-09-01), Valente
patent: 3791284 (1974-02-01), Donot
patent: 4421014 (1983-12-01), Vicker
patent: 4829889 (1989-05-01), Takeuchi
Brasilia Srl
Jenkins Robert W.
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