|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||A47J-031/46 A47J-031/06 A47J-031/36|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 1|
A brewing unit for making espresso (ES) and fresh-brew (FB) coffee, wherein the brewing chamber of a brewing assembly is supplied with water by a constant-frequency pump, and communicates with a first ES coffee outlet conduit, controlled by a calibrated valve, and a second FB coffee outlet conduit via a three-way COV (contact-operated) switch valve, which is formed in a compression piston for closing the brewing chamber, and is designed to be set to a normal open position, in which the first and second outlet conduit and a delivery manifold communicate w...
1. A brewing unit for making espresso (ES) coffee and fresh-brew (FB) coffee, the brewing unit comprising: a brewing assembly; anda pump configured to feed water to the brewing assembly, wherein the pump is a constant-flow pump;wherein the brewing assembly includes: a variable-volume brewing chamber having an axis, the variable-volume brewing chamber designed to receive a measure of ground coffee;an inlet conduit for a given water supply from the pump;a compression piston movable along the axis to adjust the volume of the variable-volume brewing chamber,...