Ventilation device for food dispensing machine

Details Ventilation device for food dispensing machine Ventilation device for food dispensing machine

1987-11-12

1988-12-27

Jenkins, Robert W.

Foods and beverages: apparatus

Beverage

Infusors

222190, A47J 3100

Patent

active

047932449

ABSTRACT:
A coffee brewing machine includes a housing having a front wall, a viewing window provided on the front wall, and a coffee brewing compartment adjacent the window in the front wall. The coffee brewing compartment includes a pouring assembly in a pour area. The elongated duct extends along an edge of the window and adjacent the brewing compartment. The duct has an inlet opening adjacent the pour area and inlet openings adjacent the windows. A vacuum pump is provided at the other end of the duct, and an exhaust opening is provided in a wall of the housing communicating with the duct and vacuum pump so that vapors being formed in the brewing compartment and the pour area as well as the window are withdrawn by negative pressure through the duct and exhausted outboard of the coffee brewing machine.

REFERENCES:
patent: 1995551 (1935-03-01), Shodron
patent: 2517073 (1950-08-01), Alvarez
patent: 2907265 (1959-10-01), Bastian
patent: 2931288 (1960-04-01), Totten
patent: 2939614 (1960-06-01), Hill
patent: 3001420 (1961-12-01), Mueller
patent: 3084613 (1963-04-01), Maxson
patent: 3552976 (1971-01-01), King
patent: 3739709 (1973-06-01), Herbsthofer et al.

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