A cooking apparatus includes a cavity unit having a cooking chamber, a top wall plate with an upper heater hole section, a bottom wall plate with a lower heater hole section, and a rear wall plate with an introduction hole section; a door on or over the cavity unit, configured to open and close an o
A cooking apparatus includes a cavity unit having a cooking chamber, a top wall plate with an upper heater hole section, a bottom wall plate with a lower heater hole section, and a rear wall plate with an introduction hole section; a door on or over the cavity unit, configured to open and close an opening of the cavity unit; an upper heater unit on the top wall plate, configured to supply heat and/or hot air to the cooking chamber through the upper heater hole section; a lower heater unit on the bottom wall plate, configured to supply heat and/or hot air to the cooking chamber through the lower heater hole section; and a convection heater unit on the rear wall plate, configured to supply heat and/or hot air to the cooking chamber through the introduction hole section.
대표청구항▼
1. A cooking apparatus comprising: a cavity unit having a cooking chamber, a top wall plate with an upper heater hole section, a bottom wall plate with a lower heater hole section, and a rear wall plate with an introduction hole section;a door on or over the cavity unit, configured to open and close
1. A cooking apparatus comprising: a cavity unit having a cooking chamber, a top wall plate with an upper heater hole section, a bottom wall plate with a lower heater hole section, and a rear wall plate with an introduction hole section;a door on or over the cavity unit, configured to open and close an opening of the cavity unit;an upper heater unit installed on the top wall plate, configured to supply heat to the cooking chamber through the upper heater hole section;a lower heater unit installed on the bottom wall plate, configured to supply heat to the cooking chamber through the lower heater hole section;a convection heater unit installed on the rear wall plate, configured to supply heat to the cooking chamber through the introduction hole section; andan introduction opening and closing unit configured to open and close the introduction hole section and control an amount of heat supplied to the cooking chamber from the convection heater unit,wherein the introduction hole section comprises: an upper introduction hole section in an upper part of the rear wall plate; and a lower introduction hole section separate from the upper introduction hole section, in a lower part of the rear wall plate, andthe introduction opening and closing unit comprises an upper opening and closing section configured to open and close the upper introduction hole section,wherein the upper opening and closing section comprises:upper rails installed on the rear wall plate; and an upper opening and closing door for opening and closing the upper introduction hole section by being slidingly moved along the upper rails. 2. The cooking apparatus according to claim 1, wherein the upper heater unit comprises: an upper heater over the top wall plate, configured to generate at least part of the heat; andan upper heater cover on or over the top wall plate, configured to cover the upper heater. 3. The cooking apparatus according to claim 1, wherein the lower heater unit comprises: a lower heater under the bottom wall plate, generating at least part of the heat; anda lower heater cover on or under the bottom wall plate, configured to cover the lower heater. 4. The cooking apparatus according to claim 1, wherein the convection heater unit comprises: a convection heater behind the rear wall plate, configured to generate at least part of the heat;a convection fan behind the rear wall plate;a convection motor configured to rotate the convection fan; anda convection heater cover on or behind the rear wall plate and configured to cover the convection heater and the convection fan. 5. The cooking apparatus according to claim 1, wherein: the introduction hole section further comprises a side introduction hole section in a side of the rear wall plate, andthe introduction opening and closing unit further comprises a side opening and closing section configured to open and close the side introduction hole section. 6. The cooking apparatus according to claim 5, wherein the side opening and closing section comprises: side rails on the rear wall plate; anda side opening and closing door configured to open and close the side introduction hole section by sliding along the side rails. 7. The cooking apparatus according to claim 5, further comprising: a control unit configured to control operations of the upper opening and closing section and the side opening and closing section,wherein the control unit closes the upper opening and closing section and the side opening and closing section in a frying mode. 8. The cooking apparatus according to claim 1, further comprising a circulation duct unit connected to a discharge hole section in a side wall plate of the cavity unit, configured to guide air from the cooking chamber through the discharge hole section and back to the cooking chamber. 9. The cooking apparatus according to claim 8, wherein the circulation duct unit comprises: a circulation duct having one end connected to the discharge hole section and another end connected to a suction hole section of the side wall plate, configured to guide air from the discharge hole section to the suction hole section; anda duct opening and closing section in the circulation duct, configured to open and close an internal flow path of the circulation duct. 10. The cooking apparatus according to claim 9, wherein: the circulation duct includes a discharge opening configured to discharge air entering through the discharge hole section out of the circulation duct, andthe duct opening and closing section closes the discharge opening when opening the internal flow path of the circulation duct, and opens the discharge opening when closing the internal flow path of the circulation duct. 11. The cooking apparatus according to claim 9, wherein one of the discharge hole section and the suction hole section is in an upper part of the side wall plate, and the other one of the discharge hole section and the suction hole section is in a lower part of the side wall plate. 12. The cooking apparatus according to claim 9, wherein one of the discharge hole section and the suction hole section is in a front part of the side wall plate, and the other one of the discharge hole section and the suction hole section is in a rear part of the side wall plate. 13. The cooking apparatus according to claim 1, further comprising a discharge opening and closing unit on the side wall plate configured to open and close a discharge hole section in a side wall plate of the cavity unit. 14. The cooking apparatus according to claim 13, wherein the discharge opening and closing unit comprises: discharge rails on the side wall plate; anda discharge opening and closing door that slides or moves along the discharge rails to open and close the discharge hole section. 15. The cooking apparatus according to claim 1, further comprising a cooking container including a housing unit having an entrance through which hot air enters and a support unit on the housing unit and on which one or more cooking objects to be cooked by the heat are placed. 16. The cooking apparatus according to claim 15, wherein the cooking container further includes a cover unit that covers the support unit and is configured to block movement of hot air. 17. The cooking apparatus according to claim 15, further comprising an introduction opening and closing unit configured to open and close the introduction hole section and control an amount of heat to be supplied to the cooking chamber from the convection heater unit.
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이 특허에 인용된 특허 (5)
Grieve Douglas V. (Lake Forest IL), Airflow distribution system for discharging air from a thin plenum, and oven employing same.
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