The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an inside surface of the inner case to house the inner case, a
The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an inside surface of the inner case to house the inner case, a vacuum space provided between the inner case and the outer case enclosed to maintain a vacuum state for heat insulating between the inner case and the outer case, and a sealing unit for sealing a front of the vacuum space formed between a front of the inner case and a front of the outer case and reducing a heat transfer rate between the inner case and the outer case.
대표청구항▼
1. A refrigerator comprising: a body having a storage space,wherein 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
1. A refrigerator comprising: a body having a storage space,wherein 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 and sealed to maintain a vacuum state for heat insulating between the inner case and the outer case, anda sealing unit for sealing a front of the vacuum space formed between a front of the inner case and a front of the outer case and reducing a heat transfer rate between the inner case and the outer case, wherein the sealing unit includes: a blocking member arranged in front of the vacuum space connected between a front edge of the inner case and a front edge of the outer case to block the front of the vacuum space, the blocking member defining a curved locus of a heat transfer path between the inner case and the outer case,a filling member of an insulating material provided in front of the blocking member, the filling member being in contact with a portion of the blocking member that defines the curved locus of the heat transfer path between the inner case and the outer case and having a curved surface in conformity with the curved locus of the heat transfer path between the inner case and the outer case,a reinforcing member arranged in a space defined by the blocking member in front of the filling member for securing a position of the filling member and reinforcing strength of the sealing unit, the reinforcing member being located inside of the inner case and the outer case, extending between the inner case and the outer case, and being aligned with the front edges of the inner case and the outer case, anda front cover that connects and seals the front edges of the inner case and the outer case, the front cover completely covering the reinforcing member andthe filling member and extending across the front edges of the inner case and the outer case,wherein the blocking member includes a first coupling portion coupled to and supported on the front edge of the inner case and a second coupling portion coupled to and supported on the front edge of the outer case. 2. The refrigerator as claimed in claim 1, wherein the blocking member includes; a projection provided between the first coupling portion and the second coupling portion projected toward the vacuum space for distributing a pressure caused by a pressure gradient formed between the vacuum space and an outside space, the projection being the portion of the blocking member that defines the curved locus. 3. The refrigerator as claimed in claim 2, wherein the projection has an arch shaped cross section with a fixed thickness. 4. The refrigerator as claimed in claim 2, wherein the blocking member further includes; a first coupling groove in the first coupling portion to couple to the front edge of the inner case, anda second coupling groove in the second coupling portion to couple to the front edge of the outer case. 5. The refrigerator as claimed in claim 2, wherein the first coupling portion is welded to the inner case, and the second coupling portion is welded to the outer case. 6. The refrigerator as claimed in claim 2, wherein the sealing unit forms the curved locus of heat transfer path between the inner case and the outer case along the projection or the recess in contact with the filling member. 7. The refrigerator as claimed in claim 1, further comprising: a plurality of supporting portions that are each provided to contact with an outside surface of the inner case and an inside surface of the outer case to maintain a spaced state of the vacuum space; anda plurality of reinforcing ribs that are provided to the outside surface of the inner case and the inside surface of the outer case for reinforcing strength thereof,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,wherein 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, andwherein 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. 8. A refrigerator comprising: a body having a storage space;a wall that is part of the body and includes an inner case and an outer case;a vacuum space formed in the wall sealed to maintain a vacuum state for heat insulating between an outside of the body and the storage space; anda sealing unit arranged in front of the wall to seal a front of the vacuum space,wherein the sealing unit includes: a blocking member arranged in front of the vacuum space connected between a front edge of the inner case and a front edge of the outer case to block the front of the vacuum space, the blocking member defining a curved locus of a heat transfer path between the inner case and the outer case,a filling member of an insulating material provided in front of the blocking member, the filling member being in contact with a portion of the blocking member that defines the curved locus of the heat transfer path between the inner case and the outer case and having a curved surface in conformity with the curved locus of the heat transfer path between the inner case and the outer case,a reinforcing member arranged in a space defined by the blocking member in front of the filling member for securing a position of the filling member and reinforcing strength of the sealing unit, the reinforcing member being located inside of the inner case and the outer case, extending between the inner case and the outer case, and being aligned with the front edges of the inner case and the outer case, anda front cover that connects and seals the front edges of the inner case and the outer case, the front cover completely covering the reinforcing member and the filling member and extending across the front edges of the inner case and the outer case,wherein the blocking member is thinner than the inner case and the outer case, andwherein the blocking member includes a first coupling portion coupled to and supported on the front edge of the inner case and a second coupling portion coupled to and supported on the front edge of the outer case. 9. The refrigerator as claimed in claim 8, wherein the blocking member includes; a projection provided between the first coupling portion and the second coupling portion projected backward toward the vacuum space for distributing a pressure caused by a pressure gradient formed between the vacuum space and an outside space,wherein the projection has an arch shaped cross section with a fixed thickness and the projection is the portion of the blocking member that defines the curved locus. 10. A refrigerator comprising: a body having a storage space,wherein 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 and sealed to maintain a vacuum state for heat insulating between the inner case and the outer case, anda sealing unit for sealing a front of the vacuum space formed between a front of the inner case and a front of the outer case and reducing a heat transfer rate between the inner case and the outer case,wherein the sealing unit includes a blocking member arranged in front of the vacuum space connected between a front edge of the inner case and a front edge of the outer case to block the front of the vacuum space,wherein the blocking member includes: a first coupling portion coupled to and supported on the front edge of the inner case,a second coupling portion coupled to and supported on the front edge of the outer case, anda projection toward the vacuum space between the first coupling portion and the second coupling portion, the projection having a shape of an arch for distributing a pressure and for making a curved heat transfer path between the inner case and the outer case,wherein the sealing unit also includes: a filling member of an insulating material provided in front of the blocking member, the filling member being in contact with the projection of the blocking member that defines the curved heat transfer path between the inner case and the outer case and having a curved surface in conformity with the projection,a reinforcing member arranged in a space defined by the blocking member in front of the filling member for securing a position of the filling member and reinforcing strength of the sealing unit, the reinforcing member being located inside of the inner case and the outer case, extending between the inner case and the outer case, and being aligned with the front edges of the inner case and the outer case, anda front cover that connects and seals the front edges of the inner case and the outer case, the front cover completely covering the reinforcing member and the filling member and extending across the front edges of the inner case and the outer case. 11. The refrigerator as claim in claim 10, wherein the first coupling portion and the second coupling portion are coupled to the inner case and the outer case, respectively, with welding.
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이 특허에 인용된 특허 (10)
Jurgen Hirath DE; Markus Schutte DE, Heat insulated housing for a refrigeration device and a domestic oven.
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Allo, Berhanu; Alshourbagy, Mohamed; Anthony, Jon M.; Deka, Lakshya J.; Naik, Abhay; Westlake, Lorraine J., Method and apparatus for forming a vacuum insulated structure for an appliance having a pressing mechanism incorporated within an insulation delivery system.
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