초록 ▼

An improved apparatus for roasting raw coffee beans includes a main housing (10) having an air inlet (24). A blower assembly (18,20,22) is disposed within the housing (10) and is in fluid communication with the inlet (24). The blower assembly has a discharge location (32) whereat an electric heater

An improved apparatus for roasting raw coffee beans includes a main housing (10) having an air inlet (24). A blower assembly (18,20,22) is disposed within the housing (10) and is in fluid communication with the inlet (24). The blower assembly has a discharge location (32) whereat an electric heater (34) is located. A coffee bean receiving vessel (12) is removably mounted on the main housing (10) and in turn, a hull collector (14) disposed on the vessel (12). A control (FIG. 3), including a sensor (38,136), is located in the air stream upstream of the inlet (56,58) to the vessel (12) and downstream of the electric heating element (34).

대표청구항 ▼

[ We claim:] [1.] Apparatus for roasting raw coffee beans comprising:a main housing having an air inlet;a blower assembly within said housing and in fluid communication with said inlet, said blower assembly having a discharge location;an electric heater within said housing at said discharge location

[ We claim:] [1.] Apparatus for roasting raw coffee beans comprising:a main housing having an air inlet;a blower assembly within said housing and in fluid communication with said inlet, said blower assembly having a discharge location;an electric heater within said housing at said discharge location;a coffee bean receiving vessel removably mounted on said housing and having an inlet located to receive a stream of air blown by said blower assembly and heated by said heater and an outlet spaced from said vessel inlet;a hull collector connected to said vessel outlet for receiving hulls of coffee beans in said vessel entrained in said air stream; anda control for said heater including a sensor located in said air stream upstream of said vessel inlet and downstream of said electric heater.