# US 2021/0239387 A1 · Vacuum adiabatic body and refrigerator > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0239387 A1 - Document ID: US20210239387A1 - Status: Published application - Kind: A1 - Application number: 17/170,005 - Filed: 2021-02-08 - Published: 2021-08-05 - Earliest claimed: 2015-08-03 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Wonyeong Jung; Deokhyun Youn; Daewoong Kim - Web page: https://patentgrep.com/patent/US20210239387A1 ## CPC - F25D 23/028: {Details} - F16L 59/065: using vacuum (F16L59/075 takes precedence) - F25D 19/006: {Thermal coupling structure or interface} - F25D 23/02: Doors; Covers (F25D23/08 takes precedence {locks or fastenings E05B65/0042}) - F25D 23/062: {defining a cabinet} - F25D 23/085: {Breaking strips} - F25D 23/087: {Sealing strips} - F25D 2201/14: using subatmospheric pressure - Y02A 30/242: Slab shaped vacuum insulation - Y02B 80/10: Insulation, e.g. vacuum or aerogel insulation - F25D: REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR (refrigerated showcases A47F3/04; thermally-insulated vessels for domestic use A47J41/00; refrigerated vehicles, see the appropriate subclasses of classes B60 - B64; containers with thermal insulation in general B65D81/38; heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants, or materials for the production of heat or cold by chemical reactions other than by combustion C09K5/00; thermally-insulated vessels for liquefied or solidified gases F17C; air-conditioning or air-humidification F24F; refrigeration machines, plants, or systems F25B; cooling of instruments or comparable apparatus without refrigeration G12B) - F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL - Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## Abstract A vacuum adiabatic body includes a first plate defining at least one portion of a wall of a first space; a second plate defining at least one portion of a wall of a second space having a different temperature from the first space; a seal that seals the first plate and the second plate to provide a third space that has a temperature between the temperature of the first space and the temperature of the second space and is in a vacuum state; a support to maintain the third space; an exhaust port through which a gas in the third space is exhausted; a peripheral adiabatic material, as a previously formed separate molded product, fixed to an edge of the third space; and a gasket having at least one portion fixed to the peripheral adiabatic material to provide a boundary between the first space and the second space. ## Claims ### Claim 1 A vacuum adiabatic body comprising: a first plate to have a first temperature; a second plate to have a second temperature different than the first temperature; a seal configured to seal the first plate and the second plate and to provide an inner space, and the inner space is to be provided in a vacuum state; and a shielding part configured to provide an adiabatic effect, and the shielding part is disposed outside the inner space. ### Claim 2 (depends on 1) The vacuum adiabatic body according to claim 1, comprising a conductive resistance sheet configured to reduce heat transfer between the first plate and the second plate, wherein the shielding part is disposed to cover the conductive resistance sheet. ### Claim 3 (depends on 1) The vacuum adiabatic body according to claim 1, comprising a conductive resistance sheet configured to reduce heat transfer between the first plate and the second plate, wherein the shielding part is disposed at an exterior of the conductive resistance sheet, or the shielding part is disposed at a position facing the conductive resistance sheet, or the shielding part is disposed to contact at least the conductive resistance sheet. ### Claim 4 (depends on 1) The vacuum adiabatic body according to claim 1, wherein the shielding part is a structure having porous material. ### Claim 5 (depends on 1) The vacuum adiabatic body according to claim 1, wherein the shielding part is a separate adiabatic structure. ### Claim 6 (depends on 1) The vacuum adiabatic body according to claim 1, wherein the shielding part is a gasket. ### Claim 7 (depends on 1) The vacuum adiabatic body according to claim 1, comprising a peripheral adiabatic body configured as a portion of the vacuum adiabatic body, and at least one portion of the shielding part to be fixed to the peripheral adiabatic body. ### Claim 8 (depends on 7) The vacuum adiabatic body according to claim 7, wherein the peripheral adiabatic body includes a groove, and the shielding part is to be fixed to the groove. ### Claim 9 (depends on 7) The vacuum adiabatic body according to claim 7, wherein an end of the peripheral adiabatic body is provided in a pocket, and the shielding part is fixed to a top of the peripheral adiabatic body. ### Claim 10 (depends on 7) The vacuum adiabatic body according to claim 7, wherein the peripheral adiabatic body includes a first peripheral adiabatic material provided in a shape that is bent twice and a second peripheral adiabatic material provided in a shape that is bent twice. ### Claim 11 (depends on 7) The vacuum adiabatic body according to claim 7, wherein the peripheral adiabatic body is a previously formed separate molded product. ### Claim 12 (depends on 7) The vacuum adiabatic body according to claim 7, comprising a hinge, wherein at least one portion of the hinge is fastened to the peripheral adiabatic body. ### Claim 13 (depends on 12) The vacuum adiabatic body according to claim 12, wherein the hinge includes a shaft of the hinge and a hinge mounting part, wherein the hinge mounting part is coupled to the peripheral adiabatic body without being provided in the shaft such that the shaft of the hinge become more distant from the shielding part. ### Claim 14 (depends on 13) The vacuum adiabatic body according to claim 13, wherein the hinge is to rotatably support a main body and a door, wherein the shaft of the hinge is to fasten to the main body. ### Claim 15 (depends on 13) The vacuum adiabatic body according to claim 13, wherein the hinge is to rotatably support an inner door and an outer door, wherein the shaft of the hinge is to fasten to the inner door. ### Claim 16 (depends on 12) The vacuum adiabatic body according to claim 12, wherein the hinge includes a hinge shaft, wherein the hinge shaft is disposed outside of the vacuum adiabatic body. ### Claim 17 (depends on 16) The vacuum adiabatic body according to claim 16, wherein the hinge shaft is fixed to at least one portion of a component, the component having an additional adiabatic material and being adjacent to the peripheral adiabatic body. ### Claim 18 (depends on 17) The vacuum adiabatic body according to claim 17, wherein the component includes a main body having a storage space, or a door configured to open/close an internal space from an external space. ### Claim 19 (depends on 16) The vacuum adiabatic body according to claim 16, wherein a torsion spring is inserted into the hinge shaft. ### Claim 20 (depends on 12) The vacuum adiabatic body according to claim 12, wherein the peripheral adiabatic body includes a support portion to accommodate the at least one portion of the hinge. ### Claim 21 (depends on 12) The vacuum adiabatic body according to claim 12, wherein the peripheral adiabatic body includes a hole, and the at least one portion of the hinge is to be inserted in the hole. ### Claim 22 (depends on 1) The vacuum adiabatic body according to claim 1, comprising an expanding part provided on the shielding part, the expanding part having additional adiabatic material. ### Claim 23 (depends on 22) The vacuum adiabatic body according to claim 22, wherein the expanding part has a first portion and a second portion that is larger than the first portion the second portion is to contact the shielding part, and the first portion is to not contact the shielding part. ### Claim 24 (depends on 22) The vacuum adiabatic body according to claim 22, comprising an air gap provided between the expanding part and the first plate, and the air gap is provided between an inner edge of the expanding part and an inner edge of the shielding part. ### Claim 25 (depends on 24) The vacuum adiabatic body according to claim 24, wherein a length of the air gap provided between the expanding part and the first plate is longer than a length of the air gap that is provided between the inner edge of the expanding part and the inner edge of the shielding part.