Coffee percolator for selectively making normal coffee or espres

Details Coffee percolator for selectively making normal coffee or espres Coffee percolator for selectively making normal coffee or espres

1984-04-30

1986-04-22

Jenkins, Robert W.

Foods and beverages: apparatus

Beverage

Infusors

99284, 99302R, A47J 3130, A47J 3134

Patent

active

045834490

ABSTRACT:
The invention relates to a coffee percolator for selectively making normal coffee or espresso, comprising a water flow path extending between a cold water supply inlet and a brewing unit, said flow path being divided into a first branch including a pressure pump, and a second branch including a valve adapted to close or be closed in the espresso making mode, and further comprising control means for activating said valve(s) and/or said pump in response to the selection of the type of coffee to be made. The invention is directed towards the provision of a coffee percolator of this type, which is of simplyfied and economic construction and substantially failure-proof. This is achieved by providing that the flow path is employed in common for the water used for making espresso and normal coffee, and is only divided adjacent the pump into the first flow path branch including the pump and the second flow path branch forming a bypass across the pump. This construction eliminates a considerable number of connection and sealing points along the flow path and at the metering and heating devices, resulting in the elimination of potential failure at these locations.

REFERENCES:
patent: 4137833 (1979-02-01), Yellox
patent: 4242568 (1980-12-01), Gurtner

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