Air impingement tunnel oven
US8776773B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2012 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Aug 27, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA21B1/48
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An air impingement tunnel oven including a baking case having a plurality of walls, the case's interior having high and low pressure zones; a food conveyor spanning between food passage ports; a plenum and air impingement registers combination having pluralities of finger ducts overlying and underlying the food conveyor, each finger duct being attached to and extending from the plenum, and the plenum dividing the baking case's high and low pressure zones; a gas burner supported upon one of the baking case's walls and including a shell and a gas tube within the shell, the shell defining an annulus which opens the baking case's low pressure zone; and an optical flame sensor operatively mounted for detecting burner flame light passing outwardly through the annulus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.