Patent ID: 7297904
Filing Date: 2007-11-20
Classification: A21B,F24C

Abstract:
1. A rack oven, comprising: a heat exchanger section and a rack receiving section, the rack receiving section including a door to provide access thereto; and an air flow system including at least one blower and an air flow path for enabling air to circulate from the heat exchanger section where it is heated, into the rack receiving section for transferring heat to food products, and back to the heat exchanger section for further heating, wherein the air flow path includes at least one passage from the heat exchanger section to the rack receiving section, where the passage is located proximate to a wall that includes an internally facing surface exposed to a rack receiving location of the rack receiving section and configured such that heated air from the heat exchanger section is directed along the internally facing surface of the wall so as to attach to and flow along the internally facing surface of the wall from one side of the rack receiving section toward an opposite side of the rack receiving section; wherein the at least one passage comprises at least one vertically extending slot, wherein the vertically extending slot is formed adjacent the internally facing surface of the wall and includes a vane that overlaps with the internally facing surface of the wall; wherein a distance of overlap of the vane and the internally facing surface of the wall is at least about two inches.