Gravity feed coffee maker

Details Gravity feed coffee maker Gravity feed coffee maker

1989-05-16

1990-11-13

Jenkins, Robert W.

Foods and beverages: apparatus

Beverage

Infusors

99295, 99299, 99305, 25112921, 251331, A47J 3100

Patent

active

049693921

ABSTRACT:
A gravity feed coffeemaker includes a water reservoir disposed above a filter basket in which coffee is brewed. The water reservoir has a valve disposed in its bottom, the valve being controlled to open only after the water held in the reservoir has reached a predetermined temperature to provide a substantially even flow of water at a desired temperature across coffee grounds contained in the filter basket. In one embodiment, the valve includes a bladder that is deformable to open the valve. In a second embodiment, a solenoid valve is employed, the solenoid valve having coils wound about a valve body having a centrally located aperture with a plunger disposed therein. The plunger moves in response to an electromagentic field generated when the coils are energized to open the valve.

REFERENCES:
patent: 3442199 (1969-05-01), McGrail
patent: 3518933 (1970-07-01), Weber
patent: 3584568 (1971-06-01), Hausam
patent: 4413552 (1983-11-01), Daugherty
patent: 4759274 (1988-07-01), Schmidt

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