Vertically stacked air impingement tunnel oven
US8536493B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 30, 2010 |
| Grant date | Sep 17, 2013 |
| Priority date | — |
| Expiry date | Dec 2, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA21B1/48
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A vertically stacked air impingement tunnel oven including a plurality of baking cases having vertically aligned food ports; an electronically controlled heater system connected to the baking cases, the heater system being adapted for heating selected groups of baking cases, the heater system including a plurality of on/off switches which are correspondingly electrically connected for actuating the heating of the selected baking cases; an exhaust hood and exhaust fan having an inlet over the food ports; and a first electronic motor drive system connected operatively to the exhaust fan, and being adapted for rotating the exhaust fan a rotation speed among a plurality of preset rotation speeds, the drive system including the plurality of on/off switches which are further electrically connected for simultaneously actuating the exhaust fan at rotation speeds corresponding with the selected baking case group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.