A cooking apparatus is provided. The cooking apparatus includes a cooking cavity, an upper space formed above the cooking cavity, lateral side spaces formed to at opposite lateral sides of the cooling cavity, a rear space formed behind the cooking cavity, and a lower space formed below the cooking c
A cooking apparatus is provided. The cooking apparatus includes a cooking cavity, an upper space formed above the cooking cavity, lateral side spaces formed to at opposite lateral sides of the cooling cavity, a rear space formed behind the cooking cavity, and a lower space formed below the cooking cavity. A fan provided in the rear space generates a cooling flow that cools components housed in the rear space. A cooling flow path extends from the rear space and into the upper space and lateral side spaces. Flow from the upper space enters the door to cool the door and is exhausted through a lower portion of the door. Flow from the lateral side spaces, which includes an exhaust flow from the cooking cavity, is guided to the lower space and exhausted. In this manner, the cooking apparatus can be completely cooled and cooking odors and heat appropriately exhausted by the cooling fan positioned in the rear space.
대표청구항▼
1. A cooking apparatus, comprising: a housing;a cooking cavity positioned within the housing;a rear space located behind the cooking cavity, wherein an inlet is provided at the rear space;an upper space located over the cooking cavity;a lateral space located at at least one lateral side of the cooki
1. A cooking apparatus, comprising: a housing;a cooking cavity positioned within the housing;a rear space located behind the cooking cavity, wherein an inlet is provided at the rear space;an upper space located over the cooking cavity;a lateral space located at at least one lateral side of the cooking cavity;a lower space located below the cooking cavity so as to be shielded from the rear space, wherein an outlet is provided at the lower space; anda cooling flow path in which cooling air flows from the inlet in an upward direction through the rear space, from the rear space into the upper space, through the upper space and then through the lateral space, and consecutively in a downward direction in a discharge area defined by the lower space, to the outlet. 2. The cooking apparatus of claim 1, further comprising a protective plate positioned under the outlet, wherein the protective plate is configured to guide cooling flow coming out of the outlet in a lateral direction. 3. The cooking apparatus of claim 1, wherein the outlet is positioned at a central portion of the lower space. 4. The cooking apparatus of claim 1, further comprising a cooling fan extending along a lower portion of the rear space. 5. The cooking apparatus of claim 1, further comprising: an upper space located between a top wall of the housing and a top of the cooking cavity; anda door that is rotatably coupled to an open front face of the housing and an open front face of the cooking cavity, wherein the cooling flow path extends from the rear space through the upper space and to the outlet of the cooling flow path formed in the lower space. 6. The cooking apparatus of claim 5, further comprising a pair of side spaces located between two opposite lateral side walls of the housing and respective opposite lateral sides of the cooking cavity, wherein the cooling flow path extends from both the rear space and the upper space into the pair of side spaces, and from the pair of side spaces to the lower space and the outlet, wherein the outlet is formed in a central portion of a base that extends across an open bottom face of the housing. 7. The cooking apparatus of claim 6, further comprising a pair of passages that provide for direct communication between the rear space and each of the pair of side spaces. 8. The cooking apparatus of claim 1, wherein the cooking apparatus is a microwave oven or a combination microwave/convection oven. 9. The cooking apparatus of claim 1, wherein the housing is defined by an external case having a top wall and a pair of opposite lateral side walls, a rear cover that extends across an open rear face of the external case, and a base that extends across an open bottom face of the external case, and wherein the inlet is provided in the rear cover so as to define an entry into the cooling flow path at the rear space and the outlet is provided at a central portion of the base so as to define an exit from the cooling flow path at the lower space. 10. The cooking apparatus of claim 1, wherein the inlet comprises at least one aperture formed in a rear wall of the housing so as to provide for communication between the rear space and an outside of the housing, and the outlet comprises at least one aperture formed in a bottom wall of the housing so as to provide for communication between the lower space and the outside of the housing. 11. A cooking apparatus, comprising: a housing;a cooking cavity positioned within the housing;a rear space located behind the cooking cavity;an upper space located over the cooking cavity;a lateral space located at at least one side of the cooking cavity;a lower space located below the cooking cavity;a rear frame coupled to a rear surface of the cooking cavity so as to partition the rear space from the lower space, the lateral space and the upper space, wherein the rear frame includes a first opening that provides for communication between the rear space and the upper space, and a second opening that provides for communication between the rear space and the lateral space, and wherein the rear frame shields the rear space from the lower space so as to preclude communication therebetween; anda cooling flow path in which cooling air flows in an upward direction through the rear space, through the upper space and the lateral space, and consecutively in a downward direction in a discharge area defined by the lower space, wherein the cooling flow path extends from the rear space into the upper space through the first opening and extends from the rear space into the lateral space through the second opening. 12. The cooking apparatus of claim 11, further comprising a door that opens and closes the cooking cavity, wherein a cooling flow path of the door is in communication with a portion of the cooling flow path that extends through the upper space. 13. The cooking apparatus of claim 11, wherein the lateral space is formed at two opposite sides of the cooking cavity, and wherein the cooking cavity includes an inlet in communication with the cooling flow path at one of the two opposite sides and an outlet in communication with the lateral space at the other of the two opposite sides, wherein a flow passing through the outlet of the cooking cavity is guided toward an outlet formed in the lower space by a lateral flow in the lateral space. 14. The cooking apparatus of claim 11, further comprising a flow guide positioned along the cooling flow path so as to connect the rear space to an inlet into the cooking cavity. 15. The cooking apparatus of claim 11, wherein the cooling flow path includes a lateral flow path that extends from the rear space to the lateral space. 16. The cooking apparatus of claim 11, wherein a convection heater assembly, a magnetron, a high voltage transformer, a high voltage capacitor, and a relay substrate are positioned along the cooling flow path. 17. The cooking apparatus of claim 11, further comprising a cooling fan extending along a lower portion of the rear space and configured to generate a flow of air that is directed through the rear space to the upper space along the cooling flow path. 18. The cooking apparatus of claim 11, wherein the cooling flow path also extends from the rear space to an interior of the cooking cavity, and from the upper space into an interior of a door that opens and closes the cooking cavity. 19. The cooking apparatus of claim 11, wherein the cooking apparatus is a microwave oven or a combination microwave/convection oven. 20. The cooking apparatus of claim 11, wherein the lower space is defined by a bottom external surface of the cooking cavity and a base that is positioned at a predetermined distance below the bottom external surface of the cooking cavity, and wherein air is exhausted from the cooling flow path through an outlet formed at a central portion of the base.
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