Abstract: A spiral oven and a method of cooking a food product in a spiral oven using a cooking medium wherein (a) the food product is conveyed within the oven cooking chamber by a spiral conveyor having a plurality of spiral flites and (b) the cooking medium is discharged either upwardly and/or downwardly within, or laterally into, one or more vertical gaps between adjacent pairs of spiral flites using one or more delivery duct structures which extend inside the interior of the cooking chamber.
Abstract: A spiral chiller and a method of chilling a food product in a spiral chiller using a cooling medium wherein (a) the food product is conveyed within the chiller by a spiral conveyor having a plurality of spiral flutes and (b) the cooling medium is discharged either upwardly and/or downwardly within, and/or laterally into, one or more vertical gaps between adjacent pairs of spiral flutes using one or more delivery duct structures which extend inside the interior of the product chilling chamber.