Method and apparatus for forming a vacuum insulated structure for an appliance having a pressing mechanism incorporated within an insulation delivery system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25D-023/06
B29K-105/00
출원번호
US-0961945
(2015-12-08)
등록번호
US-10222116
(2019-03-05)
발명자
/ 주소
Allo, Berhanu
Alshourbagy, Mohamed
Anthony, Jon M.
Deka, Lakshya J.
Naik, Abhay
Westlake, Lorraine J.
출원인 / 주소
Whirlpool Corporation
대리인 / 주소
Price Heneveld LLP
인용정보
피인용 횟수 :
0인용 특허 :
256
초록▼
An insulation delivery apparatus for forming an insulated appliance structure includes an insulated structure having a wrapper and a liner that define an interior cavity and a hopper having a storage bin and a delivery mechanism. The delivery mechanism delivers an insulating medium from the storage
An insulation delivery apparatus for forming an insulated appliance structure includes an insulated structure having a wrapper and a liner that define an interior cavity and a hopper having a storage bin and a delivery mechanism. The delivery mechanism delivers an insulating medium from the storage bin, through an insulation conduit and into the interior cavity. The delivery mechanism operates between idle and delivery states. A pressing mechanism is coupled with the insulation conduit and is in selective engagement with the insulated structure. The pressing mechanism operates between rest and compressing states. An inner support is in selective engagement with an outer surface of the inner liner and an operable outer support in selective engagement with the outer wrapper. The inner support and the operable outer support provide structural support to the insulated structure when the pressing mechanism is in the compressing state.
대표청구항▼
1. An insulation delivery apparatus for forming an insulated appliance structure, the insulation delivery apparatus comprising: an outer wrapper and an inner liner that cooperate to define an interior cavity;a storage bin in communication with a delivery mechanism, wherein the delivery mechanism sel
1. An insulation delivery apparatus for forming an insulated appliance structure, the insulation delivery apparatus comprising: an outer wrapper and an inner liner that cooperate to define an interior cavity;a storage bin in communication with a delivery mechanism, wherein the delivery mechanism selectively delivers an insulating medium from the storage bin, through an insulation conduit and into the interior cavity, wherein the delivery mechanism is operable between an idle state and a delivery state;a pressing mechanism coupled with the insulation conduit, wherein the pressing mechanism is in selective engagement with at least one of the outer wrapper and the inner liner, wherein the pressing mechanism is operable between a rest state and a compressing state, wherein a back panel is selectively engaged with the pressing mechanism, and wherein during the compressing state the pressing mechanism operates cooperatively with the back panel and an operable portion of the insulation conduit relative to the outer wrapper and the storage bin;an inner support in selective engagement with an outer surface of the inner liner; andan operable outer support in selective engagement with a portion of an exterior surface of the outer wrapper, wherein the inner support and the operable outer support provides structural support to the inner liner and the outer wrapper, respectively, when the pressing mechanism cooperates with the back panel to define the compressing state. 2. The insulation delivery apparatus of claim 1, wherein the operable portion of the insulation conduit is in communication with the pressing mechanism, and wherein the operable portion is at least vertically operable relative to the storage bin. 3. The insulation delivery apparatus of claim 2, wherein the back panel of the outer wrapper is selectively engaged with the operable portion of the insulation conduit. 4. The insulation delivery apparatus of claim 1, wherein the delivery mechanism includes an auger. 5. The insulation delivery apparatus of claim 1, wherein the inner liner defines an inner compartment, and wherein the inner support is in selective engagement with an outer surface of the inner compartment. 6. The insulation delivery apparatus of claim 1, wherein the operable outer support is selectively operable between a load position and a fill position, wherein the load position is defined by the operable outer support being free of engagement with the outer wrapper, and wherein the fill position is defined by the operable outer support being in engagement with the exterior surface of the outer wrapper. 7. The insulation delivery apparatus of claim 3, wherein a seal is defined between the back panel and one of the outer wrapper and the inner liner. 8. The insulation delivery apparatus of claim 1, further comprising: a vacuum pump in communication with the interior cavity via at least one gas outlet valve disposed in a portion of at least one of the inner liner and the outer wrapper. 9. The insulation delivery apparatus of claim 1, wherein the insulating medium includes at least one of silica, aerogel, opacifier, glass fiber and insulating glass spheres. 10. The insulation delivery apparatus of claim 1, further comprising: an additive delivery mechanism, wherein additives are added to the insulating medium for deposition within the interior cavity, wherein the additives include at least one of insulating glass spheres and insulating gas. 11. A method for forming a vacuum insulated structure, the method comprising steps of: disposing an insulation material into a hopper having a storage bin and a delivery mechanism, wherein a pressing mechanism is in communication with the hopper;positioning an inner liner and an outer wrapper on an inner support, wherein the inner liner and the outer wrapper define an insulating cavity;positioning portions of an operable outer support against an exterior surface of the outer wrapper, wherein the inner support locates the inner liner and the operable outer support locates the outer wrapper such that the delivery mechanism is in communication with the insulating cavity;operating the delivery mechanism to dispose the insulation material within the insulating cavity;operating the pressing mechanism during operation of the delivery mechanism to compress the insulation material disposed within the insulating cavity to define a target density, wherein a back panel of the outer wrapper is cooperatively and selectively engaged with the pressing mechanism, wherein the inner support and the operable outer support substantially limit outward deflection of the outer wrapper and inner liner during operation of the pressing mechanism;sealing the back panel to at least one of the outer wrapper and the inner liner to define a seal;expressing gas from the insulating cavity to define a vacuum insulated structure, wherein the expression of gas takes place while the inner liner and outer wrapper are engaged with the operable outer support and the inner support;separating the pressing mechanism from engagement with the back panel; andmoving the portions of the operable outer support away from the vacuum insulated structure and removing the vacuum insulated structure from the inner support. 12. The method of claim 11, wherein the delivery mechanism is an auger. 13. The method of claim 11, wherein the hopper includes an insulation conduit through which the insulation material is delivered from the storage bin to the insulating cavity, and wherein the insulation conduit extends through a portion of the pressing mechanism to deliver the insulation material from the storage bin to the insulating cavity. 14. The method of claim 13, wherein the insulation conduit includes an operable portion engaged with the pressing mechanism, wherein the operable portion of the insulation conduit operates to substantially follow movement of the pressing mechanism. 15. The method of claim 11, further comprising the step of: disposing at least one additive to the insulation material for deposition within the insulating cavity, wherein the at least one additive includes at least one of insulating glass spheres and insulating gas. 16. The method of claim 11, wherein the insulation material includes at least one of powder-based insulation, granular insulation, opacifier, glass fiber, insulated glass spheres and aerogel. 17. A method for forming a vacuum insulated structure, the method comprising steps of: disposing an insulation material into a hopper having a storage bin and a delivery mechanism, wherein a pressing mechanism is in communication with the hopper;positioning an inner liner and an outer wrapper proximate an operable outer support, wherein the inner liner and the outer wrapper define an insulating cavity therein;positioning portions of the operable outer support against an exterior surface of the outer wrapper, wherein the operable outer support locates the inner liner and the outer wrapper such that the delivery mechanism is in communication with the insulating cavity;operating the delivery mechanism to dispose the insulation material within the insulating cavity;operating the pressing mechanism during operation of the delivery mechanism to compress the insulation material disposed within the insulating cavity to define a target density, wherein a back panel is selectively coupled to the pressing mechanism and directly engages the insulation material within the insulating cavity during operation of the pressing mechanism, and wherein the operable outer support substantially limits outward deflection of an outer wrapper and inner liner during operation of the pressing mechanism;sealing the back panel to the outer wrapper;sealing the inner liner and the outer wrapper together with the insulation material disposed therein to define an air-tight seal;expressing gas from the insulating cavity to define a vacuum insulated structure;separating the pressing mechanism from the back panel; andmoving the portions of the operable outer support away from the exterior surface of the outer wrapper for the vacuum insulated structure after completion of the expressing step. 18. The method of claim 17, wherein the vacuum insulated structure is a vacuum insulated panel. 19. The method of claim 17, wherein the hopper includes an insulation conduit through which the insulation material is delivered from the storage bin to the insulating cavity, and wherein the insulation conduit extends through a portion of the pressing mechanism to deliver the insulation material from the storage bin to the insulating cavity. 20. The method of claim 19, wherein the insulation conduit includes an operable portion engaged with the pressing mechanism, wherein the operable portion of the insulation conduit flexes to substantially follow movement of the pressing mechanism.
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