A coffee extraction apparatus includes: a first burr grinding supplied whole beans, a first burr through-hole defined in the first burr, a first burr inlet receiving the whole beans, a first burr outlet discharging coffee powder, a second burr inserted into the first burr through-hole through the first burr outlet to define a grinding space for grinding of the whole beans with the first burr, a burr coupler coupled to the second burr to move the second burr, a first rotary part coupled to the first burr to rotate the first burr, a second rotary part connected to the burr coupler and rotating to move the burr coupler in an axial direction of the first burr to adjust a depth of insertion of the second burr into the first burr, an extractor that receives and mixes the coffee powder and water to extract coffee liquid.

A coffee extraction apparatus includes: a first burr grinding supplied whole beans, a first burr through-hole defined in the first burr, a first burr inlet receiving the whole beans, a first burr outlet discharging coffee powder, a second burr inserted into the first burr through-hole through the first burr outlet to define a grinding space for grinding of the whole beans with the first burr, a burr coupler coupled to the second burr to move the second burr, a first rotary part coupled to the first burr to rotate the first burr, a second rotary part connected to the burr coupler and rotating to move the burr coupler in an axial direction of the first burr to adjust a depth of insertion of the second burr into the first burr, an extractor that receives and mixes the coffee powder and water to extract coffee liquid.

A beverage brewer includes a pump, intake tube and outflow tubes, a brewing material holder, and a container. The intake tube is connected to an inlet port of the pump. The outflow tube is connected to an outlet port of the pump. The brewing material holder is configured to hold brewing material at an issue end of the outflow tube. The container is arranged at an issue portion of the brewing material holder. A suction end of the intake tube is arranged for fluid communication with an interior of the container. The pump is configured to draw fluid from within the container through the intake tube and to issue the fluid into the brewing material holder through the outflow tube, to brew a beverage in the brewing material holder and issue the brewed beverage into the container. At least a portion of the intake tube is attached to the container.

A beverage brewer includes a pump, intake tube and outflow tubes, a brewing material holder, and a container. The intake tube is connected to an inlet port of the pump. The outflow tube is connected to an outlet port of the pump. The brewing material holder is configured to hold brewing material at an issue end of the outflow tube. The container is arranged at an issue portion of the brewing material holder. A suction end of the intake tube is arranged for fluid communication with an interior of the container. The pump is configured to draw fluid from within the container through the intake tube and to issue the fluid into the brewing material holder through the outflow tube, to brew a beverage in the brewing material holder and issue the brewed beverage into the container. At least a portion of the intake tube is attached to the container.

A beverage brewer includes a pump, intake tube and outflow tubes, a brewing material holder, and a container. The intake tube is connected to an inlet port of the pump. The outflow tube is connected to an outlet port of the pump. The brewing material holder is configured to hold brewing material at an issue end of the outflow tube. The container is arranged at an issue portion of the brewing material holder. A suction end of the intake tube is arranged for fluid communication with an interior of the container. The pump is configured to draw fluid from within the container through the intake tube and to issue the fluid into the brewing material holder through the outflow tube, to brew a beverage in the brewing material holder and issue the brewed beverage into the container. At least a portion of the intake tube is attached to the container.

A beverage brewer includes a pump, intake tube and outflow tubes, a brewing material holder, and a container. The intake tube is connected to an inlet port of the pump. The outflow tube is connected to an outlet port of the pump. The brewing material holder is configured to hold brewing material at an issue end of the outflow tube. The container is arranged at an issue portion of the brewing material holder. A suction end of the intake tube is arranged for fluid communication with an interior of the container. The pump is configured to draw fluid from within the container through the intake tube and to issue the fluid into the brewing material holder through the outflow tube, to brew a beverage in the brewing material holder and issue the brewed beverage into the container. At least a portion of the intake tube is attached to the container.

A beverage brewer includes a pump, an intake tube assembly connected to an inlet port of the pump at a pump end, an outflow tube assembly connected to an outlet port of the pump at a pump end, a brewing material holder assembly configured to hold ground brewing material and arranged at an issue end of the outflow tube assembly, and a container volume configured to accommodate a container assembly, arranged at an issue portion of the holder assembly. A suction end of the intake tube assembly is arranged within an interior of the container volume. The pump is configured to draw fluid from within the container volume through the intake tube assembly and to issue the fluid into the holder assembly through the outflow tube assembly, thereby brewing a beverage in the holder assembly. The holder assembly is configured to issue the brewed beverage into the container volume.

A beverage brewer includes a pump, an intake tube assembly connected to an inlet port of the pump at a pump end, an outflow tube assembly connected to an outlet port of the pump at a pump end, a brewing material holder assembly configured to hold ground brewing material and arranged at an issue end of the outflow tube assembly, and a container volume configured to accommodate a container assembly, arranged at an issue portion of the holder assembly. A suction end of the intake tube assembly is arranged within an interior of the container volume. The pump is configured to draw fluid from within the container volume through the intake tube assembly and to issue the fluid into the holder assembly through the outflow tube assembly, thereby brewing a beverage in the holder assembly. The holder assembly is configured to issue the brewed beverage into the container volume.

A coffee brewing system and method that includes a brew chamber that holds a brew solution during a brew cycle and dispenses the brew solution; a water system that dispenses water into the brew chamber; a content sensing system that measures the brew solution contents added to the brew chamber; a temperature control system with a heating element and a temperature sensor; at least one recirculating processing loop with a particle monitor system, wherein the recirculating processing loop circulates brew solution extracted from the brew chamber; and a control system that is communicatively coupled to the content sensing system, the temperature control system and the particle monitor system during a brew cycle, wherein the control system controls a brew cycle based on a selected a specified taste profile.

A coffee extraction apparatus includes: a grinder grinding whole beans into coffee powder having a preset size or less and discharging the coffee powder, a grinder inlet defined at a first side of the grinder to introduce the whole beans to the grinder, a grinder outlet defined at a second side of the grinder and discharging the coffee powder, and a first extractor. The first extractor includes: a receiver inlet that faces the grinder and that receives the discharged coffee powder, a filter part receiving the coffee powder through the receiver inlet and extracting coffee liquid by rotating the coffee powder with water of a first temperature, the first temperature being equal to or lower than 25 degrees Celsius, and a receiver that receives the water of the first temperature and that is configured to store the water of the first temperature or the extracted coffee liquid.