Control device for coffee extractor

Details Control device for coffee extractor Control device for coffee extractor

1982-01-18

1983-12-06

Jenkins, Robert W.

Foods and beverages: apparatus

Beverage

Infusors

99285, 99306, 219328, A47J 3100

Patent

active

044186142

ABSTRACT:
A drip mechanism of a coffee extractor has a heater which boils water to be poured on coffee powder and a control switch which controls the ON/OFF operation of the heater. The control device of this drip mechanism has first and second discriminating circuits, so that the ON/OFF operation of the control switch is controlled by an output of a drive circuit controlled by output signals of these discriminating circuits. A predetermined amount of coffee powder is stored in a case. Subsequently, when a regular drip switch and a start switch are depressed, the heater is heated in a first mode so that regular coffee is extracted. When the strong drip switch and the start switch are depressed, the heater is heated in a second mode so that strong coffee is extracted. In order to accomplish this selective operation, a logic circuit is arranged to control the first and second discriminating circuits.

REFERENCES:
patent: 2868109 (1959-01-01), Davis
patent: 4133256 (1979-01-01), Lamour
patent: 4196658 (1980-04-01), Takagi
patent: 4223379 (1980-09-01), Simcoe
patent: 4242568 (1980-12-01), Wunderlin
patent: 4328539 (1982-05-01), Heeger

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