Roasting apparatus
US12059018B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2020 |
| Grant date | Aug 13, 2024 |
| Priority date | — |
| Expiry date | Aug 22, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B3/22
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention concerns an apparatus (10) for roasting coffee beans comprising:—a housing (4),—a roasting chamber (1) presenting a bottom opening (11),—an air driver (2) configured to drive air inside the roasting chamber through the bottom opening of said chamber,—an electrical heater (3) positioned below the bottom opening of the roasting chamber, said electrical heater being configured to heat air driven inside the roasting chamber,—the air driver and the electrical heater being positioned inside the housing (4) and the housing comprising a hot air outlet hole (41) designed to enable the passage of hot air from the housing inside the bottom opening (11) of the roasting chamber, and the electrical heater (3) being positioned just below the hot air outlet hole (41),—the roasting chamber (1) being removably mounted to the housing (4), the bottom opening (11) of the roasting chamber cooperating with the hot air outlet hole (41) of the housing when the roasting chamber is mounted to the housing, wherein the apparatus comprises a movable closure device (5) configured:—to cover the hot air outlet hole (41) while the roasting chamber is being removed from the housing, and - to uncover th…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.