US Patent 11877678 Wine decanter

A wine decanter includes a control circuit board; and a water pump, an air pump, a power supply and a switch electronically connected with the control circuit board respectively. An inlet end of the water pump is connected to one end of a first connecting pipe, an outlet end of the water pump is connected to one end of a second connecting pipe; an outlet end of the air pump is connected to one end of the gas pipe, and the other end of the gas pipe is connected to any position of the liquid flow path which includes the first connecting pipe and the second connecting pipe; the red wine drawn by the water pump is mixed with air injected by the air pump in the liquid flow path for decanting.