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|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||A47J-027/026 A47J-037/04 F26B-017/00 F26B-021/06|
|미국특허분류(USC)||99/470 ; ; 99/483 ; ; 34/233 ; ; 34/594|
|발명자 / 주소|
|인용정보||피인용 횟수 : 22 인용 특허 : 9|
A coffee bean roaster is provided with a cylindrically shaped transparent viewing tower in which coffee beans are roasted by an upwardly directed hot gaseous stream while being fluidized into a visually pleasing ascending central and descending outside columns during the roasting cycle. A two way valve located at the bottom of the tower permits the gaseous stream to enter the tower when the valve is in a first position and the roasted beans to be diverted to a cooling chamber when the valve is in a second position.
A coffee bean roaster apparatus including (a) a tower in which coffee beans are fluidized by and roasted in a upwardly directed hot gaseous stream; (b) a gaseous stream line connecting said tower to a blower for supplying the gaseous stream at a velocity sufficient to fluidize a predetermined quantity of beans introduced into the tower; (c) a heater for heating the gaseous stream to a temperature sufficient to roast the fluidized beans; (d) a coffee bean cooling chamber spaced from and communicating with said tower for receiving said beans following roas...