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Ro′ta-ry Ov′en.

One in which the bread-trays or bread-tables rotate, so as to receive the dough at the oven door, carry it in a circuit around the oven, and present it at the delivery door, the rate of progression being so timed and the heat so regulated as to accomplish the baking during the circuit.

There are two principal varieties of rotating ovens; those in which the circular bread-table rotates on a vertical axis, and those in which the bread-trays are suspended from the arms of a reel which has a horizontal axis: the latter is known as a reel-oven. See oven.

Wedge's rotary oven has an annular plate a rotated by a pinion b operated by a hand-crank or machinery, and sustained on friction-rollers c; other friction-rollers d prevent it from bearing against the interior masonry e. Swinging damper-doors f prevent the escape of heat. These are kept constantly closed when baking crackers. The dough is introduced and removed, when baked, through the door g. h h are the furnaces, from which the products of combustion pass to the chimney i through circulating flues.

Rotary oven.

Rotating-share plow.

[1988]

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