Electric coffee maker with warming plate having adjustable heat

Details Electric coffee maker with warming plate having adjustable heat Electric coffee maker with warming plate having adjustable heat

1985-12-05

1988-07-19

Bartis, Anthony

Electric heating

Heating devices

Combined with diverse-type art device

99281, 99288, 99306, 219297, 219308, 219334, 219492, 219511, H05B 102, A47J 3100, F24H 110

Patent

active

047587091

ABSTRACT:
An electric coffee maker has an electric flow-through brewing water heater with a heating resistor controlled by a temperature dependent regulating switch responsive to the temperature of the heating resistor, and a warming plate heated by the heating resistor for maintaining the prepared coffee at a desired drinking temperature. Apparatus for adjustably prolonging the interruption of heating current 2 to 5 times the normal cooling time of the regulating switch is connected in circuit with the heating resistor and the regulating switch, and a manually actuated small quantity control means connects the heating current interruption prolonging apparatus in circuit with the heating resistor and the regulating switch. The prolonging apparatus may be an adjustable auxiliary electric heater in parallel with the regulating switch and thermally coupled thereto or an adjustable timer in series with the heating resistor and regulation switch and triggered by the opening of the regulating switch.

REFERENCES:
patent: 1943386 (1934-01-01), Johnson
patent: 2025302 (1935-12-01), Olds
patent: 4208957 (1980-06-01), Bollman
patent: 4548129 (1985-10-01), Van der Sluys et al.

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