Foods and beverages: apparatus – Beverage – Infusors
Patent
1990-12-31
1992-12-08
Hornsby, Harvey C.
Foods and beverages: apparatus
Beverage
Infusors
99299, 99305, 99317, A23F 0000, A47J 3100
Patent
active
051687941
ABSTRACT:
Apparatus for brewing coffee having a heating compartment provided with water at various predetermined levels depending upon the number of cups of brewed coffee desired. A U-shaped syphon tube is provided in the heating compartment and is arranged so that the water level in the heating compartment is always below the top of the bight portion of the tube prior to being heated to a predetermined temperature. When the pressure within the heating compartment reaches a predetermined discharging value, water at the proper temperature in the heating compartment is caused to discharge through the syphon tube and out of the compartment. A pressure vent, having an orifice exposed to the pressure within the heating compartment, serves to delay the attainment of the discharging pressure until the water reaches the proper temperature. A water holding compartment is disposed to receive the water from the heating compartment and is provided with a flow meter to regulate the flow of water from the holding compartment into a brewing compartment for soaking contact with a bed of coffee grounds therein. The rate of flow of water into the coffee brewing compartment is controlled in conjunction with outflow outlets in the compartment to maintain a level of water sufficient to cover the bed of coffee grounds for a period of brewing time and for a wide range of cups of coffee to be brewed.
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Hook James F.
Hornsby Harvey C.
Miranda Charles R.
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