Household coffeemaker

Details Household coffeemaker Household coffeemaker

1991-03-25

1993-03-09

Reynolds, Bruce A.

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

392481, 99281, 99282, 99283, 99299, A47J 3154

Patent

active

051931397

ABSTRACT:
A household coffeemaker comprises a cold water reservoir (1) supplying a water heater (2) of the circulating type whose outlet is connected to a water channel (3) of a coffee filter (4). The water heater comprises a heating resistance (7) whose supply circuit is connected to the terminals (8) of a source of alternating current. The supply circuit of the resistance (7) comprises a device (11) for changing the electric power supplied to the resistance (7) so as to supply, during a first so-called pre-steeping phase, a low power to obtain a low flow rate of hot water, and during a second so-called infusion phase, a higher power to obtain a higher flow rate of hot water. The invention is applicable to drip coffeemakers.

REFERENCES:
patent: 4208957 (1980-06-01), Bollman et al.
patent: 4382176 (1983-05-01), Wood
patent: 4406217 (1983-09-01), Oota
patent: 4875408 (1989-10-01), McGee
patent: 4920869 (1990-05-01), Landais
patent: 4994641 (1991-02-01), Schiebelhuth

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