Commercial microwave oven with arranged components for heat dissipation
AssigneeLG Electronics Inc.
InventorDong Heon Lee
Life of this patent
Estimating the term…
Abstract
A microwave oven is provided, which includes a main cabinet for enclosing and protecting various components, having air inlet holes, a base frame under the main cabinet having a box form with an opened top and a front part with a plurality of air outlet holes, a bottom plate on the base frame, an inner case in a space above one side part of the bottom plate, the inner case having a cooking chamber formed therein, at least one magnetron, a transformer for regulating a voltage provided to the magnetron, at least one waveguide, a fan in a rear of outside of the inner case, and a flow guide for guiding air passed through the magnetron toward air outlet holes, thereby cooling components effectively, reducing a volume, and cost of the product.
Claims20
A commercial microwave oven, comprising:
- a main cabinet for enclosing and protecting various components, having air inlet holes;
- a base frame under the main cabinet having a box form with an opened top and a front part with a plurality of air outlet holes;
- a bottom plate on the base frame;
- an inner case in a space above one side part of the bottom plate, the inner case having a cooking chamber formed therein;
- a magnetron on an upper part of an outside of the inner case;
- a transformer for regulating a voltage provided to the magnetron;
- a waveguide on a top of the inner case;
- a fan in a rear of outside of the inner case;
- and
- a flow guide provided between the magnetron and the plurality of the air outlet holes for guiding air passed through the magnetron directly toward the plurality of air outlet holes, wherein the main cabinet includes an outer case forming a top and sides of the microwave oven, a front panel on a front part of the outer case, and a rear panel on a rear part of the outer case having the air inlet holes adjacent to the fan.
A commercial microwave oven comprising:
- a main cabinet for enclosing and protecting various components, having air inlet holes;
- a base frame under the main cabinet having a box form with an opened top and a front part with a plurality of air outlet holes;
- a bottom plate on the base frame;
- an inner case in a space above one side part of the bottom plate, the inner case having a cooking chamber formed therein;
- a first magnetron on an upper part of an outside of the inner case, and a second magnetron on a lower part of an outside of the inner case;
- a transformer for regulating a voltage provided to the magnetrons;
- a first waveguide on a top of the inner case, and a second waveguide on an underside of the inner case;
- a fan in a rear of outside of the inner case;
- and
- a flow guide for guiding air passed through the magnetrons toward the plurality of air outlet holes.
Dependencies are inferred from the claim text.