Brewed beverage maker with unpressurized boiler vessel steam gen

Details Brewed beverage maker with unpressurized boiler vessel steam gen Brewed beverage maker with unpressurized boiler vessel steam gen

1992-09-11

1994-11-22

Bartis, Anthony

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

99284, 99288, 99292, 99300, 392397, 392405, 392441, 392480, 392495, A47J 3100, F24H 110, H05B 300

Patent

active

053676076

ABSTRACT:
An espresso coffee making system includes an unpressurized boiler vessel with an electric heating element arranged outside the boiler vessel for heating water in the boiler vessel for delivery to a perforated filter holder of the espresso coffee maker. A tube is provided between the electric heating element and the boiler vessel that is in thermal contact with both the heating element and the boiler vessel. A valve allows water from the boiler vessel to be recirculated by a pump through the tube to generate steam, without overheating the water contained in the boiler vessel.

REFERENCES:
patent: 2114661 (1938-04-01), West
patent: 2401504 (1946-06-01), Paasche
patent: 2688911 (1954-09-01), Hochmayer
patent: 3711681 (1973-01-01), Leuschner et al.
patent: 3953923 (1976-05-01), Rygmyr
patent: 4095086 (1978-06-01), Ohnmacht et al.
patent: 4760774 (1988-08-01), Lin
patent: 4792661 (1988-12-01), Schmidtchen et al.

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