A refrigerator is improved in storage environment by suppressing drying and oxidation and enhanced in volume efficiency and cooling efficiency. The refrigerator includes a refrigerating chamber, a vegetable chamber, and a freezing chamber in order from its top to its bottom. Cool air is introduced i
A refrigerator is improved in storage environment by suppressing drying and oxidation and enhanced in volume efficiency and cooling efficiency. The refrigerator includes a refrigerating chamber, a vegetable chamber, and a freezing chamber in order from its top to its bottom. Cool air is introduced into the freezing chamber by a first cooler and a first fan, and is introduced into the refrigerating chamber by a second cooler and a second fan. These chambers function as a direct cooling chamber. The vegetable chamber functions as an indirect cooling chamber cooled by a cooling plate which is disposed at the top of the chamber and has a large thermal conductivity, which is cooled by forced convection by the second cooler and the second fan, producing the effects of low temperature radiation and natural convection in the chamber. This arrangement provides the refrigerator with quality maintaining effects in accordance with the suitability for storage of foods, and allows the refrigerator to assure high storing performance.
대표청구항▼
1. A refrigerator comprising: a plurality of direct cooling chambers cooled by cool air introduced therein; and an indirect cooling chamber having an outer envelope thereof closing said indirect cooling chamber, said outer envelope including a cooling plate receiving cool air from at least one
1. A refrigerator comprising: a plurality of direct cooling chambers cooled by cool air introduced therein; and an indirect cooling chamber having an outer envelope thereof closing said indirect cooling chamber, said outer envelope including a cooling plate receiving cool air from at least one of said plurality of direct cooling chambers, said indirect cooling chamber being cooled by said cooling plate, wherein said indirect cooling chamber and said direct cooling chamber are vertically arranged. 2. The refrigerator of claim 1, further comprising: a cooler of freezing cycle for generating the cool air; and a fan for delivering the cool air. 3. The refrigerator of claim 1, wherein said cooling plate has a large thermal conductivity.4. The refrigerator of claim 2, wherein said cooler is disposed in one of said direct cooling chambers.5. The refrigerator of claim 1, wherein said indirect cooling chamber is disposed between said direct cooling chambers.6. The refrigerator of claim 1, wherein said indirect cooling chamber is a vegetable chamber.7. A refrigerator comprising: first, second, and third storage chambers vertically arranged; a first cooler for cooling said first storage chamber; a second cooler for cooling said second and third storage chambers; and first and second fans for delivering air cooled by said first and second coolers, respectively, wherein said first and second storage chambers are direct cooling chambers cooled by forced convection created by said first and second fans, respectively, and wherein said third storage chamber is an indirect cooling chamber having an outer envelope thereof closing said indirect cooling chamber, said outer envelope including a cooling plate cooled by cooled air from at least one of said first and second storage chambers, and said third storage chamber being cooled by said cooling plate. 8. The refrigerator of claim 7, wherein said first and second coolers are disposed in said first and second storage chambers, respectively.9. The refrigerator of claim 7, wherein said cooling plate has a large thermal conductivity.10. The refrigerator of claim 7, wherein said third storage chamber is disposed in a nearly middle of said refrigerator.11. The refrigerator of claim 7, wherein said third storage chamber is disposed between said first and second storage chambers.12. The refrigerator of claim 7, wherein said third storage chamber is a vegetable chamber.13. The refrigerator of claim 12, wherein said first storage chamber is a freezing chamber, and wherein said second storage chamber is a refrigerating chamber. 14. The refrigerator of claim 13, wherein said refrigerating chamber is arranged above said freezing chamber.15. The refrigerator of claim 13, further comprising: a drawer door provided for said vegetable chamber. 16. The refrigerator of claim 15, further comprising: a drawer door provided for said freezing chamber; and a hinged door provided for said refrigerating chamber. 17. The refrigerator of claim 16, wherein said hinged door of said refrigerating chamber includes a double door.18. The refrigerator claim 15, wherein a height (H) from a floor of installation to an upper end of said door of said vegetable chamber satisfies 600 mm≦H<850 mm.19. The refrigerator of claim 13, further comprising: a compressor for freezing cycle, wherein said compressor and said first cooler are arranged side by side at a back of said freezing chamber. 20. A refrigerator comprising: a plurality of direct cooling chambers cooled by cool air introduced therein; and an indirect cooling chamber having an outer envelope thereof closing said indirect cooling chamber, said outer envelope including a cooling plate receiving said cool air, said cooling plate forming a vertically-upper portion of said outer envelope, said indirect cooling chamber being cooled by said cooling plate, wherein said indirect cooling chamber and said direct cooling chamber are v ertically arranged. 21. The refrigerator of claim 20, wherein said cooling plate has a large thermal conductivity.22. A refrigerator comprising: a first, second, and third storage chambers vertically arranged; a first cooler for cooling said first storage chamber; a second cooler for cooling said second and third storage chambers; and first and second fans for delivering air cooled by said first and second coolers, respectively; wherein said first and second storage chambers are direct cooling chambers cooled by forced convection created by said first and second fans, respectively, and wherein said third storage chamber is an indirect cooling chamber having an outer envelope thereof closing said indirect cooling chamber, said outer envelope including a cooling plate cooled by forced convection created by one of said first and second fans, said cooling plate forming a vertically-upper portion of said outer envelope, said third storage chamber being cooled by said cooling plate. 23. The refrigerator of claim 22, wherein said cooling plate has a large thermal conductivity.
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