A casing, a heating chamber that is provided in the casing and that has an opening on a front face thereof, an exhaust tube for guiding exhaust from inside of the heating chamber to front face side of the casing, a cooling fan that is provided in the casing, and an exhaust duct having an exhaust inl
A casing, a heating chamber that is provided in the casing and that has an opening on a front face thereof, an exhaust tube for guiding exhaust from inside of the heating chamber to front face side of the casing, a cooling fan that is provided in the casing, and an exhaust duct having an exhaust inlet to which the other end of the exhaust tube is connected are provided. Position along height direction of a cooling air inlet into which cooling air flows from under the exhaust duct is lower than position along the height direction of the discharge ports of the exhaust duct, and the position along the height direction of the cooling air inlet of the exhaust duct is lower than position along the height direction of the exhaust inlet of the exhaust duct. A heating cooker is provided that prevents the exhaust from the inside of the heating chamber from flowing into a main body thereof even if a fan for supplying air that is to be mixed with the exhaust breaks down.
대표청구항▼
1. A heating cooker comprising: a casing,a heating chamber that is provided in the casing and that has an opening on a front face of the heating chamber,an exhaust path for guiding exhaust from inside of the heating chamber to front face side of the casing,a fan that is provided in the casing, andan
1. A heating cooker comprising: a casing,a heating chamber that is provided in the casing and that has an opening on a front face of the heating chamber,an exhaust path for guiding exhaust from inside of the heating chamber to front face side of the casing,a fan that is provided in the casing, andan exhaust duct having an exhaust inlet into which the exhaust from the exhaust path flows, an air inflow port in fluid communication with the exhaust inlet and into which a portion of air from the fan flows from underside of the heating chamber, and at least one discharge port through which mixture of the exhaust having flowed in through the exhaust inlet and the portion of the air from the fan having flowed in through the air inflow port is discharged to outside from a bottom face of the casing at a position adjacent to the front face side of the casing,wherein position along height direction of the air inflow port of the exhaust duct is lower than position along the height direction of the discharge port of the exhaust duct, and wherein the position along the height direction of the air inflow port of the exhaust duct is lower than position along the height direction of the exhaust inlet of the exhaust duct, and wherein the position along the height direction of the exhaust inlet of the exhaust duct is higher than position along the height direction of the at least one discharge port. 2. The heating cooker as claimed in claim 1, wherein the exhaust inlet is provided in an air path between the air inflow port and the discharge port in the exhaust duct, and whereina shield wall is provided between the air inflow port and the exhaust inlet in the exhaust duct. 3. The heating cooker as claimed in claim 2, wherein the shield wall is a wall that has a section shaped like a letter U so as to surround a side for the air inflow port, of a columnar region extended from the exhaust inlet into the exhaust duct and so as to open on a side of the columnar region for the discharge port. 4. The heating cooker as claimed in claim 1, wherein the exhaust duct comprises a plurality of the discharge ports. 5. The heating cooker as claimed in claim 1, wherein the air inflow port is placed in a region except a region immediately under the exhaust inlet in the exhaust duct. 6. The heating cooker as claimed in claim 1, wherein the exhaust duct is bent between the air inflow port and the discharge ports and on a position that is nearer to the discharge ports than to the exhaust inlet. 7. The heating cooker as claimed in claim 1, wherein bottom part in the exhaust duct has an inclined surface that gradually lowers from side of the exhaust inlet toward side of the discharge ports. 8. The heating cooker as claimed in claim 1, wherein a partition wall of which top end is higher than the bottom part immediately under the exhaust inlet in the exhaust duct is provided in an air path between the air inflow port and the exhaust inlet in the exhaust duct. 9. A heating cooker comprising: a casing,a heating chamber that is provided in the casing and that has an opening on a front face of the heating chamber,an exhaust path for guiding exhaust from inside of the heating chamber to front face side of the casing,a fan that is provided in the casing, andan exhaust duct having an exhaust inlet into which the exhaust from the exhaust path flows, an air inflow port in fluid communication with the exhaust inlet and into which a portion of air from the fan flows from underside of the heating chamber, and at least one discharge port through which mixture of the exhaust having flowed in through the exhaust inlet and the portion of the air from the fan having flowed in through the air inflow port is discharged to outside,wherein position along height direction of the air inflow port of the exhaust duct is lower than position along the height direction of the discharge port of the exhaust duct, and wherein the position along the height direction of the air inflow port of the exhaust duct is lower than position along the height direction of the exhaust inlet of the exhaust duct, and wherein the position along the height direction of the exhaust inlet of the exhaust duct is higher than position along the height direction of the at least one discharge port, whereinthe exhaust duct comprises drain guide grooves that are provided on outside of side walls of the exhaust duct and that guide drain from the side of the exhaust inlet toward the side of the discharge ports and a drain port that is provided on a side nearer to the discharge ports than to the exhaust inlet in the drain guide grooves. 10. The heating cooker as claimed in claim 1, further comprising: a dew receiving container that is placed under the opening of the heating chamber, that receives the exhaust from the discharge ports of the exhaust duct, and that diffuses the exhaust to outside of the casing.
White James A. (Louisville KY) Rice Frank L. (Jeffersontown KY) Lewis Walter E. (Louisville KY), Ventilation system for combination microwave oven and exhaust vent.
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