초록 ▼

An improved beverage machine such as a coffee maker in which air is injected from a suitable air supply so as to agitate the coffee and water mixture as the coffee is brewed so as to increase the amount of coffee that is extracted. Various embodiments are disclosed wherein the air is injected at dif

An improved beverage machine such as a coffee maker in which air is injected from a suitable air supply so as to agitate the coffee and water mixture as the coffee is brewed so as to increase the amount of coffee that is extracted. Various embodiments are disclosed wherein the air is injected at different times in the brewing cycle for different brewing structures.

대표청구항 ▼

A beverage dispenser, comprising a brewing chamber for brewing a beverage, a control means which controls a brewing cycle, and means for injecting air into said brewing chamber controlled by said control means so as to improve the efficiency of the brewing cycle, and wherein said brewing chamber has

A beverage dispenser, comprising a brewing chamber for brewing a beverage, a control means which controls a brewing cycle, and means for injecting air into said brewing chamber controlled by said control means so as to improve the efficiency of the brewing cycle, and wherein said brewing chamber has an upper brewing chamber and a lower brewing chamber with a brewed coffee outlet, and a porous separator and filter between said upper and lower brewing chambers, means for dispensing coffee and hot water into said upper brewing chamber, a piston moveably mounted in said lower brewing chamber, driving means connected to said control means and connected to said piston to move it, and said means for injecting air into said brewing chamber connected so as to inject air into said lower brewing chamber.