Vacuum insulated door structure and method for the creation thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25B-001/00
H04R-003/12
F25D-023/02
F25D-023/06
F25B-039/00
F25D-011/00
B29C-053/00
출원번호
US-0833696
(2013-03-15)
등록번호
US-9038403
(2015-05-26)
발명자
/ 주소
Cur, Nihat
Wu, Guolian
출원인 / 주소
Whirlpool Corporation
인용정보
피인용 횟수 :
4인용 특허 :
80
초록▼
A vacuum insulated door structure comprises a first wall having a first edge, outer sidewalls that extend from the first edge to a perimetrical lip, a first inner surface and a first outer surface. A second wall has a second inner surface, a second outer surface and a second edge coupled to the peri
A vacuum insulated door structure comprises a first wall having a first edge, outer sidewalls that extend from the first edge to a perimetrical lip, a first inner surface and a first outer surface. A second wall has a second inner surface, a second outer surface and a second edge coupled to the perimetrical lip forming a cavity volume. The second wall includes inner sidewalls defining a second wall opening. The inner sidewalls extend to a back wall and define a second wall offset. A tubular member includes a first end coupled to a first conduit opening in the first wall and a second end coupled to a second conduit opening in the second wall offset. A barrier layer is disposed on the first and second walls and the tubular member. A cavity insulation material is disposed within the cavity volume which is hermetically sealed.
대표청구항▼
1. A vacuum insulated door structure comprising: a first wall member having a first perimetrical edge, at least four outer sidewalls that extend substantially perpendicular from the first perimetrical edge and to a perimetrical lip, a barrier layer having a hermetic barrier film and a heat sealing l
1. A vacuum insulated door structure comprising: a first wall member having a first perimetrical edge, at least four outer sidewalls that extend substantially perpendicular from the first perimetrical edge and to a perimetrical lip, a barrier layer having a hermetic barrier film and a heat sealing layer, a first inner facing surface and a first outer facing surface;a second wall member having a second inner facing surface, a second outer facing surface, a second barrier layer having a hermetic barrier film and a heat sealing layer, and a second perimetrical edge coupled to the first wall member proximate the perimetrical lip, wherein the second wall member comprises at least four inner side walls defining a second wall opening distal from at least a portion of the second perimetrical edge, and wherein the at least four inner sidewalls extend from the second wall opening toward the first wall member to a back wall, wherein the at least four sidewalls and the back wall define a second wall offset;at least one tubular member having first and second conduit ends, an inner conduit surface and an outer conduit surface, wherein the first conduit end is coupled to a first wall conduit opening defined by the first wall member and the second conduit end is coupled to a second wall conduit opening defined by the second wall offset, and wherein the inner conduit surface provides a fluid communication between the first wall outer facing surface and the second wall outer facing surface, and wherein the first and second wall members and the at least one tubular member form a door structure; anda cavity insulation material disposed within a cavity volume defined by an interior volume of the door structure, wherein the cavity volume is hermetically sealed, wherein the cavity volume includes an at least partial vacuum. 2. The vacuum insulated door structure of claim 1, wherein the first wall member comprises at least four offset sidewalls defining a first wall opening distal from the first perimetrical edge, and wherein the at least four offset sidewalls extend from the first wall opening to an offset back wall, wherein the at least four offset sidewalls and the offset back wall include a first wall offset. 3. The vacuum insulated door structure of claim 1 further comprising: a module receptacle defined at least partially by the first wall member and in communication with the inner conduit surface, wherein the module receptacle is configured to receive at least one cooling module configured to dispense a cooled material through the at least one tubular member and into the second wall offset. 4. The vacuum insulated door structure of claim 1 further comprising: a metal clad covering having a finished outer surface and an interior surface, wherein the interior surface of the metal clad covering is disposed on at least a portion of an exterior surface of the vacuum insulated door structure. 5. The vacuum insulated door structure of claim 1, wherein the cavity insulation material is polyurethane foam disposed within the cavity volume via at least one port disposed on the door structure. 6. The vacuum insulated door structure of claim 3 further comprising: at least one cooling module coupled with the module receptacle and configured to be in fluid communication with the inner conduit surface, wherein each at least one cooling module is in fluid communication with a cooling loop having an evaporator, a condenser, and a coolant fluid. 7. The vacuum insulated door structure of claim 3, wherein polyurethane foam is disposed within the module receptacle about the at least one cooling module. 8. The vacuum insulated door structure of claim 6, wherein the at least one cooling module includes an ice maker and dispenser and a water dispenser, wherein the ice and water dispensers are in fluid communication with the inner conduit surface and the second wall offset. 9. A refrigerator having a vacuum insulated door structure, the refrigerator comprising: an insulative first wall member having a first perimetrical edge, a first inner facing surface and a first outer facing surface, wherein the first wall member comprises at least four offset sidewalls defining a first wall opening distal from at least a portion the first perimetrical edge, and wherein the at least four offset sidewalls extend substantially orthogonally from the first wall opening to a first back wall, wherein the at least four offset sidewalls and the first back wall include a first wall offset;an insulative perimetrical flange having a first lip and a second lip, wherein the first lip is coupled to the first wall member proximate the first perimetrical edge;an insulative second wall member having a second inner facing surface, a second outer facing surface, and a second perimetrical edge coupled to the perimetrical flange proximate the second lip, wherein the second wall member comprises at least four inner side walls defining a second wall opening distal from at least a portion of the second perimetrical edge, and wherein the at least four inner sidewalls extend from the second wall opening toward the first wall member to a second back wall, wherein the at least four inner sidewalls and the second back wall include a second wall offset disposed proximate the first wall opening;an insulative tubular member having first and second conduit ends, an inner conduit surface, and an outer conduit surface, wherein the first conduit end is coupled to the first wall member proximate a first wall conduit opening defined by the first wall offset and the second conduit end is coupled to the second wall member proximate a second wall conduit opening defined by the second wall offset, and wherein the inner conduit surface provides a fluid communication between the first wall outer facing surface and the second wall outer facing surface, and wherein the first and second wall members, the perimetrical flange, and the tubular member form a door structure;a barrier layer comprising a hermetic barrier film and a heat sealing layer disposed on at least a portion of the first and second wall members, the perimetrical flange, and the tubular member; anda cavity insulation material disposed within a cavity volume defined by the inner facing surface of the first wall member, the inner facing surface of the second wall member, the perimetrical flange, and the outer conduit surface, wherein the cavity volume is hermetically sealed and is configured to maintain an at least partial vacuum within the cavity volume. 10. The vacuum insulated door structure of claim 9 further comprising: a module receptacle defined at least partially by the first wall offset and in communication with the inner conduit surface, wherein the module receptacle is configured to receive a cooling module configured to dispense a cooled material through the tubular member and into the second wall offset. 11. The vacuum insulated door structure of claim 9 further comprising: a metal clad covering having an interior surface, wherein the interior surface is disposed to at least a portion of an exterior surface of the door structure. 12. The vacuum insulated door structure of claim 9, wherein the cavity insulation material is polyurethane foam that is injected into the cavity volume via at least one port disposed on the door structure. 13. The vacuum insulated door structure of claim 10 further comprising: a cooling module coupled with the module receptacle and configured to be in fluid communication with the inner conduit surface, wherein the cooling module is in fluid communication with a cooling loop having an evaporator, a condenser, and a coolant fluid, and wherein polyurethane foam is disposed within at least a portion of the module receptacle about the cooling module. 14. The vacuum insulated door structure of claim 13, wherein the at least one cooling module includes an ice maker and dispenser and a water dispenser, wherein the ice and water dispensers are in fluid communication with the inner conduit surface and the second wall offset. 15. A method for creating an integral vacuum insulated door structure comprising the steps of: providing a first wall member having a first perimetrical edge, at least four outer sidewalls that extend substantially perpendicular from the first perimetrical edge to a perimetrical lip, a barrier layer having a hermetic barrier film and a heat sealing layer, a first inner facing surface, and a first outer facing surface, wherein the first wall member comprises at least four offset sidewalls defining a first wall opening distal from at least a portion of the first perimetrical edge, and wherein the at least four offset sidewalls extend substantially orthogonally from the first wall opening to a first back wall, wherein the at least four offset sidewalls and the first back wall include a first wall offset;providing a second wall member having a second inner facing surface, a second outer facing surface, and a second perimetrical edge disposed proximate the perimetrical lip, wherein the second wall member comprises at least four inner sidewalls defining a second wall opening distal from at least a portion of the second perimetrical edge, a second barrier layer having a hermetic barrier film and a heat sealing layer, and wherein the at least four inner sidewalls extend from the second wall opening toward the first wall member to a back wall, wherein the at least four sidewalls and the back wall define a second wall offset;providing a tubular member having first and second conduit ends, an inner conduit surface and an outer conduit surface, wherein the first conduit end is disposed to a first wall conduit opening defined by the first wall member and the second conduit end is disposed to a second wall conduit opening defined by the second wall offset, and wherein the inner conduit surface provides a fluid communication between the first wall outer facing surface and the second wall outer facing surface;disposing a cavity insulation material within a cavity volume defined by the inner facing surface of the first wall member, the inner facing surface of the second wall member, and the outer conduit surface;hermetically sealing the cavity volume; andextracting gas from the cavity volume via at least one port disposed on the first wall member proximate a port opening defined by the first wall member, wherein the cavity volume is configured to maintain an at least partial vacuum within the cavity volume. 16. The method of claim 15, wherein the door structure includes a module receptacle at least partially defined by the first wall offset and in communication with the inner conduit surface, wherein the module receptacle is configured to receive a cooling module. 17. The method of claim 15 further comprising the steps of: providing a metal clad covering having an interior surface; anddisposing the metal clad covering to at least a portion of an exterior of the vacuum insulated door structure such that the interior surface of the metal clad covering is proximate the vacuum insulated door structure. 18. The method of claim 15, wherein the step of disposing a cavity insulation material within a cavity volume includes injecting polyurethane foam into the cavity volume via the at least one port after the first and second wall members and the tubular member have been hermetically sealed together, wherein the at least one port includes at least one injection port through which the polyurethane foam is injected, and wherein the at least one port includes at least one vacuum port through which the gas is extracted from the cavity volume. 19. The method of claim 16 further comprising the step of: providing a cooling module;disposing the cooling module within the module receptacle, wherein the cooling module is configured to be in fluid communication with the inner conduit surface,providing a cooling loop in fluid communication with the cooling module, wherein the cooling loop includes an evaporator, a condenser, and a coolant fluid; anddisposing polyurethane foam within at least a portion of the module receptacle about the cooling module. 20. The method of claim 19, wherein the at least one cooling module includes an ice maker and dispenser and a water dispenser, wherein the ice and water dispensers are in fluid communication with the inner conduit surface and the second wall offset.
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