Patent ID: 8646383
Filing Date: 2014-02-11
Classification: A21B,A23L,A47J

Abstract:
1. In a spiral oven for cooking food using a cooking medium wherein said spiral oven comprises a cooking chamber having a spiral conveyor in an interior of said cooking chamber and said spiral conveyor has an upper end at an upper end elevation in said cooking chamber, a lower end at a lower end elevation in said cooking chamber, a plurality of spiral flights, and an axis of spiral travel, the improvement comprising a cooking medium delivery duct structure having an elongate conduit located outside an outside edge of the spiral conveyor and extending vertically downwardly inside said interior of said cooking chamber from a source of the cooking medium, the elongate conduit having at least one discharge opening for discharging said cooking medium, said cooking medium delivery duct structure running from said source of the cooking medium to said discharge opening and directly conveying the cooking medium to said discharge opening, wherein at least a portion of said discharge opening is elevationally located in said interior of said cooking chamber below said upper end elevation and said discharge opening is oriented for discharging said cooking medium laterally in said interior of said cooking chamber with respect to said axis of spiral travel.