Air circuit for cooking appliance including combination heating system
US8294070B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2008 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Aug 3, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/6485
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A cooking appliance includes a recirculating airflow which is directed through particularly configured air plenum and nozzle structure that synergistically combine to enhance an overall cooking efficiency and effectiveness. In particular, the configuration of the air plenum, as well as the sizing and distribution of oven cavity entry nozzles, provides for an enhanced flow of heated air to the food product, thereby resulting in short cooking times due to high heat transfer while also providing an even browning and crisping of the food item being cooked. In addition, the cooking appliance incorporates an exhaust system wherein cooling air and a percentage of the recirculating airflow are mixed prior to being exhausted from an angled exhaust mixing tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.