A refrigerator includes a body having a storage space. The body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, a vacuum space provided between the inner case and the
A refrigerator includes a body having a storage space. The body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case, a supporting portion provided to contact with the outside surface of the inner case and the inside surface of the outer case to maintain a spaced state of the vacuum space, and a dewing preventive unit adjacent to the supporting portion for preventing dewing from taking place at the outer case by suppressing surface temperature drop of the outer case caused by cold conducted from the inner case to the outer case through the supporting portion.
대표청구항▼
1. A refrigerator comprising: a body having a storage space for storing a predetermined storage object,wherein the body includes;an inner case having the storage space, the inner case formed from metal,an outer case having an inside surface spaced a predetermined gap from an outside surface of the i
1. A refrigerator comprising: a body having a storage space for storing a predetermined storage object,wherein the body includes;an inner case having the storage space, the inner case formed from metal,an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, the outer case formed from metal,a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case,a supporting portion provided to contact with the outside surface of the inner case and the inside surface of the outer case to maintain a spaced state of the vacuum space, the supporting portion formed from metal, wherein the supporting portion extends, through the vacuum space, from the outside surface of the inner case to the inside surface of the outer case or from the inside surface of the outer case to the outside surface of the inner case;a reinforcing rib provided to the outside surface of the inner case or the inside surface of the outer case for reinforcing strength thereof, the reinforcing rib being different than the supporting portion and being spaced apart from the supporting portion such that the reinforcing rib does not overlap with the supporting portion;a dewing preventive unit adjacent to the supporting portion for preventing dewing from taking place at the outer case by suppressing surface temperature drop of the outer case, which is caused by cold conducted from the inner case to the outer case through the supporting portion, the dewing preventive unit being located on the outside surface of the outer case at a location that is opposite to a portion of the inside surface of the outer case that the supporting portion contacts;a plurality of supporting portions that are each provided to contact with the outside surface of the inner case and the inside surface of the outer case to maintain the spaced state of the vacuum space, the supporting portion being one of the plurality of supporting portions; anda plurality of reinforcing ribs that are each provided to the outside surface of the inner case or the inside surface of the outer case for reinforcing strength thereof, the reinforcing rib being one of the plurality of reinforcing ribs,wherein the plurality of supporting portions and the plurality of reinforcing ribs are arranged spaced apart from each other such that the plurality of supporting portions and the plurality of reinforcing ribs do not overlap with each other, andwherein each of the plurality of supporting portions are located entirely within the vacuum space, each of the plurality of reinforcing ribs are located entirely within the vacuum space, and each of the plurality of reinforcing ribs have a length that is less than a width of the vacuum space such that each of the plurality of reinforcing ribs contacts one of the outside surface of the inner case and the inside surface of the outer case, but does not contact the other of the outside surface of the inner case and the inside surface of the outer case. 2. The refrigerator as claimed in claim 1, wherein the dewing preventive unit is arranged adjacent to a contact point of the supporting portion to the inside surface of the outer case for reducing an extent of temperature drop of a surface of the outer case caused by cold transmitted to the outer case through the supporting portion. 3. The refrigerator as claimed in claim 2, wherein the dewing preventive unit includes a heat spreading plate for spreading cold from the contact point of the supporting portion to the outer case to a place adjacent thereto. 4. The refrigerator as claimed in claim 2, wherein the dewing preventive unit is a metal coated layer of a predetermined area on the outside surface of the outer case adjacent to the contact point of the supporting portion to the outer case. 5. The refrigerator as claimed in claim 2, wherein the dewing preventive unit includes a heater provided to an outside of the outer case adjacent to the contact point of the supporting portion to the outer case. 6. The refrigerator as claimed in claim 2, wherein the dewing preventive unit includes a hot pipe provided to an outside of the outer case adjacent to the contact point of the supporting portion to the outer case. 7. The refrigerator as claimed in claim 2, wherein the dewing preventive unit includes a heat insulating member provided to a surface of the outer case adjacent to the contact point of the supporting portion to the outer case. 8. The refrigerator as claimed in claim 1, wherein the vacuum space is devoid of heat insulation material provided between the outside surface of the inner case and the inside surface of the outer case, and the supporting portion extends, through the vacuum space, directly from the outside surface of the inner case to the inside surface of the outer case to maintain the spaced state of the vacuum space. 9. The refrigerator as claimed in claim 1, wherein the plurality of reinforcing ribs include a first set of reinforcing ribs that contact the outside surface of the inner case, but not the inside surface of the outer case and a second set of reinforcing ribs that contact the inside surface of the outer case, but not the outside surface of the inner case. 10. The refrigerator as claimed in claim 1, further comprising: a getter located within the vacuum space and configured to collect gas present in the vacuum space. 11. A refrigerator comprising: a body having a storage space for storing a predetermined storage object;a wall of the body;a vacuum space provided in the wall sealed to maintain a vacuum state for heat insulating between an inside of the wall and an outside of the wall, the inside of the wall and the outside of the wall being formed from metal;a supporting portion provided to contact with one side of the inside of the wall and one side of the outside of the wall to maintain a spaced state of the vacuum space, the supporting portion provided inside of the vacuum space and formed from metal, wherein the supporting portion extends, through the vacuum space, from the outside surface of the inside of the wall to the inside surface of the outside of the wall or from the inside surface of the outside of the wall to the outside surface of the inside of the wall;a dewing preventive unit adjacent to the supporting portion for preventing dewing from taking place at the outside of the wall by suppressing surface temperature drop of the outside of the wall caused by cold conducted from the inside of the wall to the outside of the wall through the supporting portion, the dewing preventive unit being located on the outside surface of the outside of the wall at a location that is opposite to a portion of the inside surface of the outside of the wall that the supporting portion contacts;a plurality of supporting portions that are each provided to contact with the outside surface of the inner case and the inside surface of the outer case to maintain the spaced state of the vacuum space, the supporting portion being one of the plurality of supporting portions; anda plurality of reinforcing ribs that are each provided to the outside surface of the inner case or the inside surface of the outer case for reinforcing strength thereof, the reinforcing rib being one of the plurality of reinforcing ribs,wherein the plurality of supporting portions and the plurality of reinforcing ribs are arranged spaced apart from each other such that the plurality of supporting portions and the plurality of reinforcing ribs do not overlap with each other, andwherein each of the plurality of supporting portions are located entirely within the vacuum space, each of the plurality of reinforcing ribs are located entirely within the vacuum space, and each of the plurality of reinforcing ribs have a length that is less than a width of the vacuum space such that each of the plurality of reinforcing ribs contacts one of the outside surface of the inner case and the inside surface of the outer case, but does not contact the other of the outside surface of the inner case and the inside surface of the outer case. 12. The refrigerator as claimed in claim 11, wherein the dewing preventive unit is arranged adjacent to a contact point of the supporting portion to the wall for reducing an extent of temperature drop of a surface of the outer case caused by cold transmitted to the outside surface of the wall through the supporting portion. 13. The refrigerator as claimed in claim 12, wherein the dewing preventive unit includes a heat spreading plate for spreading cold from the contact point of the supporting portion to the outside surface of the wall to a place adjacent thereto. 14. The refrigerator as claimed in claim 12, wherein the dewing preventive unit is a metal coated layer of a predetermined area on the outside surface of the wall adjacent to the contact point of the supporting portion to the wall. 15. The refrigerator as claimed in claim 12, wherein the dewing preventive unit is a heater provided to the outside surface of the wall adjacent to the contact point of the supporting portion to the wall. 16. The refrigerator as claimed in claim 12, wherein the dewing preventive unit includes a hot pipe provided to the outside surface of the wall adjacent to the contact point of the supporting portion to the wall. 17. The refrigerator as claimed in claim 12, wherein the dewing preventive unit includes a heat insulating member provided to the outside surface of the wall adjacent to the contact point of the supporting portion to the wall. 18. The refrigerator as claimed in claim 11, wherein the supporting portion extends, through the vacuum space, from the outside surface of the inside of the wall to the inside surface of the outside of the wall and all parts of the supporting portion are located inside of the vacuum space.
Anderson Vincent P. (Center Township ; Vanderburgh County IN) Schmidt Christopher G. (Knight Township ; Vanderburgh County IN), Stile heater for refrigerator.
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