Removable coffee roaster oven chamber
US5500237A · kind A · utility
Inventors
Key dates
| Filing date | Mar 14, 1995 |
| Grant date | Mar 19, 1996 |
| Priority date | — |
| Expiry date | Mar 14, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23N12/083
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A coffee roaster which roasts coffee beans in a removable oven chamber employing both radiant and convection heating techniques while the beans are continually intermixed in a fluidized bed rotating in the horizontal plane. Roaster control means are provided to terminate the roasting process by quenching the beans and oven chamber with relative cool air while maintaining the beans in a fluidized bed to avoid scorching or further roasting by the residual heat of the coffee bean mass. The oven chamber is provided with an insulated handle to facilitate its removal from the heating chamber for dispensing roasted coffee beans. It includes an upper transparent section through which the roasted charge of beans may be viewed to thereby facilitate poring beans from the removed chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.