Coffee machine

Details Coffee machine Coffee machine

1984-12-21

1986-04-22

Jenkins, Robert W.

Foods and beverages: apparatus

Beverage

Infusors

99289R, 99297, 99302P, A47J 3134

Patent

active

045834504

ABSTRACT:
A coffee machine comprises a boiling chamber, two pistons adjustable independently of each other and adapted to be pushed into the boiling chamber from opposite sides and defining between them a boiling space to hold and boil a predetermined quantity of powdered coffee, a source of boiling water having a through-flow heater and a boiling water pressure generator, and a hydraulic actuating device for the pistons having a pressurized medium circuit including a pressurized medium pump. The boiling water pressure generator is constituted by a media converter, of which one side is incorporated into the water supply to the boiling chamber while its other side is connectible to the pressurized medium pump.

REFERENCES:
patent: 3103873 (1963-09-01), Breitenstein
patent: 3478671 (1969-11-01), Fuqua
patent: 3485162 (1969-12-01), Hopkinson
patent: 4188863 (1980-02-01), Grossi

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