US Patent 11559166 Beverage preparation and infusion system

A machine is provided for preparing a desired beverage product from infusible materials. The machine includes a brew chamber that is adapted to hold the infusible materials, the brew chamber having an inlet and an outlet. An inlet tube is provided for transferring a fluid from a fluid receptacle to the inlet of the brew chamber and a dispensing tube is provided for transferring fluid from the outlet of the brew chamber to the receptacle. A fluid pump is provided for recirculating fluid through the brew chamber. In another aspect, a machine is provided for preparing a desired beverage product containing a gas. The machine includes a fluid pump for recirculating fluid from a fluid receptacle through an inlet tube to a dispensing tube and back to said fluid receptacle. The machine further includes an air pump disposed between the inlet tube and the fluid pump for introducing air into said beverage fluid that is recirculated by said fluid pump. A pod for use with the machine is also provided.