Patent ID: 11885506
Assignee: WHIRLPOOL CORPORATION
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 6:
7. A convection oven having variable air flow patterns depending on oven rack placement therein, comprising:
an oven cavity having a cavity top, a cavity back, and cavity side walls,
a plurality of side rails extending along the cavity side walls, the plurality of side rails being movable between a rest position in which no oven rack is installed and airflow is blocked, and an active position in which the oven rack is installed and airflow is provided, wherein each of the cavity side walls define a set of air passages corresponding to each of the plurality of side rails and configured to provide convection air to the oven rack arranged on one of the plurality of side rails, and
an air grate associated with at least one of the plurality of side rails and arranged within a passage defined within the cavity side walls, wherein the air grate defines a plurality of grate openings and is movable with the at least one of the plurality of side rails between a first position when the at least one of the plurality of side rails is in the rest position, and a second position when the at least one of the plurality of side rails is in the active position.