Flexible passthrough insulation for vis
11867451 ยท 2024-01-09
Assignee
Inventors
- Giulia Marinello (St. Joseph, MI, US)
- Rafael D. Nunes (St. Joseph, MI, US)
- Sanjesh Kumar Pathak (Stevensville, MI, US)
- Manoj T. Sambrekar (Maharashtra, IN)
- Arpit Vijay (Rajasthan, IN)
Cpc classification
F25D2201/1262
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F25D23/061
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
International classification
Abstract
A refrigerator includes an insulated cabinet having a sidewall with a passthrough opening through the sidewall. A resilient insulating member is disposed in the passthrough opening. The resilient insulating member includes flaps that form an airtight seal between the resilient insulating member and the passthrough opening. At least one utility line extends through an aperture in the resilient insulating member. The utility line may comprise fluid conduit, electrical line, or the like that operably connect one or more components through the sidewall of the cabinet.
Claims
1. A refrigerator comprising: a vacuum insulated cabinet having a food storage space and an enlarged access opening permitting items to be placed in the food storage space and removed from the food storage space, the vacuum insulated cabinet including a sidewall having an inner liner on an inner side, an outer wrapper on an outer side, and a transverse wall extending between the inner and outer sides to form a passthrough opening, the transverse wall having a transverse passthrough surface extending around and facing the passthrough opening, wherein the transverse passthrough surface includes a first portion defining a first internal dimension, and a second portion defining a second internal dimension, wherein the first dimension is not equal to the second dimension, the transverse passthrough surface including a step surface extending between the first and second portions of the transverse passthrough surface, wherein the inner liner, the outer liner, and the transverse wall form an airtight vacuum space; porous filler material disposed in the airtight vacuum space; a resilient insulating member comprising a resilient material, wherein the resilient insulating member is disposed in the passthrough opening, the resilient insulating member including a plurality of outwardly-projecting flexible flaps engaging the transverse passthrough surface of the passthrough opening and forming an airtight seal between the resilient insulating member and the transverse passthrough surface of the passthrough opening, the resilient insulating member further including an aperture extending through the resilient insulating member, and a surface abutting the step surface of the transverse passthrough surface; an evaporator assembly disposed inside of the sidewall; a condenser assembly disposed outside of the sidewall; at least one fluid conduit having an inner end fluidly connected to the evaporator assembly and extending through the aperture of the resilient insulating member, the fluid conduit having an outer end fluidly connected to the condenser assembly.
2. The refrigerator of claim 1, wherein: the outwardly-projecting flexible flaps have a base, a tip, and a central portion between the base and the tip, wherein a thickness of the outwardly-projecting flexible flaps at the central portions of the outwardly-projecting flexible flaps is less than a length of the outwardly-projecting flexible flaps.
3. The refrigerator of claim 2, wherein: the outwardly-projecting flexible flaps are substantially continuous and extend around the resilient insulating member in an annular manner, and wherein the outwardly-projecting flaps are spaced apart and form a plurality of annular grooves therebetween.
4. The refrigerator of claim 3, wherein: the outwardly-projecting flexible flaps have a substantially uniform cross-sectional shape.
5. The refrigerator of claim 1, wherein: the passthrough opening includes inner and outer ends, and the outer wrapper includes a flange at the outer end of the passthrough opening, the flange extending inwardly towards a center of the passthrough opening; the resilient insulating member includes an end surface that faces outwardly, and wherein at least a portion of the end surface abuts an inwardly facing surface of the flange.
6. The refrigerator of claim 5, wherein: a distal edge of the flange defines the first internal dimension, and a portion of the transverse passthrough surface at the inner end of the passthrough opening defines the second internal dimension, and wherein the first internal dimension is less than the second internal dimension.
7. The refrigerator of claim 1, wherein: the first dimension is less than the second dimension.
8. A refrigerator comprising: a vacuum insulated cabinet having a food storage space and an enlarged access opening permitting items to be placed in the food storage space and removed from the food storage space, the vacuum insulated cabinet including a sidewall having an inner liner on an inner side, an outer wrapper on an outer side, and a transverse wall extending between the inner and outer sides to form a passthrough opening, the transverse wall having a transverse passthrough surface extending around and facing the passthrough opening, wherein the inner liner, the outer liner, and the transverse wall form an airtight vacuum space; porous filler material disposed in the airtight vacuum space; a resilient insulating member comprising a resilient material, wherein the resilient insulating member is disposed in the passthrough opening, the resilient insulating member including a plurality of outwardly-projecting flexible flaps engaging the transverse passthrough surface of the passthrough opening and forming an airtight seal between the resilient insulating member and the transverse passthrough surface of the passthrough opening, the resilient insulating member further including an aperture extending through the resilient insulating member; an evaporator assembly disposed inside of the sidewall; a condenser assembly disposed outside of the sidewall; at least one fluid conduit having an inner end fluidly connected to the evaporator assembly and extending through the aperture of the resilient insulating member, the fluid conduit having an outer end fluidly connected to the condenser assembly; and wherein the transverse passthrough surface of the passthrough opening includes a first portion having a first dimension, a second portion having a second dimension, and an annular step surface extending between the first and second portions; and the resilient insulating member includes a first portion including a first plurality of outwardly-projecting flexible flaps engaging the first portion of the passthrough surface, and a second portion including a second plurality of outwardly-projecting flexible flaps engaging the second portion of the passthrough surface.
9. The refrigerator of claim 8, wherein: the resilient insulating member includes a step surface extending between the first and second portions of the resilient insulating member, wherein the step surface of the resilient insulating member engages the annular step surface of the passthrough surface of the passthrough opening.
10. The refrigerator of claim 1, wherein: the aperture through the resilient insulating member comprises a first aperture, the resilient insulating member including a second aperture extending through the resilient insulating member; and including: a drain tube extending through the second aperture.
11. The refrigerator of claim 1, wherein: the transverse passthrough surface extending around the passthrough opening is oblong.
12. A refrigerator comprising: a vacuum insulated cabinet having a food storage space and an enlarged access opening permitting items to be placed in the food storage space and removed from the food storage space, the vacuum insulated cabinet including a sidewall having an inner liner on an inner side of the sidewall, and an outer wrapper on an outer side of the sidewall, the sidewall including a vacuum cavity between the inner liner and the outer wrapper, the sidewall further including a passthrough surface that is transverse to the inner and outer sides and forming a passthrough opening through the sidewall, the passthrough opening having an inner portion extending between the inner liner and the outer wrapper, wherein the inner portion of the passthrough opening is formed by an inner wall that extends between the inner liner and the outer wrapper, and wherein the inner wall separates the inner portion of the passthrough opening from the vacuum cavity, and wherein at least a selected one of the inner and outer sides of the sidewall defines a plane and includes a protrusion formed by an outer wall that projects outwardly away from the plane and away from the vacuum cavity in a first direction, the outer wall extending around an outer portion of the passthrough opening, the outer wall having a tubular configuration with oppositely-facing inner and outer surfaces, wherein the inner surface of the outer wall extends around the outer portion of the passthrough opening and faces inwardly towards the outer portion of the passthrough opening, and wherein the outer surface of the outer wall is disposed on an outer side of the plane that is opposite the vacuum cavity; porous filler material disposed in the vacuum space; a resilient insulating member comprising a resilient material, wherein the resilient insulating member includes an inner portion disposed on an inner side of the plane in the inner portion of the passthrough opening, and an outer portion disposed on an outer side of the plane in the outer portion of the passthrough opening the resilient insulating member including at least one outwardly-projecting flexible flap engaging an inner surface of the inner sidewall, and at least one outwardly-projecting flexible flap engaging the inner surface of the outer wall and forming an airtight seal between the resilient insulating member and the inner surface of the inner wall and the inner surface of the outer wall when the resilient insulating member is installed in the passthrough opening, the resilient insulating member further including an aperture extending through the resilient insulating member; an evaporator assembly disposed inside of the sidewall; a condenser assembly disposed outside of the sidewall; and at least one conduit having an inner end fluidly connected to the evaporator assembly and extending through the aperture of the resilient insulating member, the fluid conduit having an outer end fluidly connected to the condenser assembly.
13. The refrigerator of claim 12, wherein: the inner and outer portions of the resilient insulating member each include a plurality of outwardly-projecting flexible flaps having a first shape when no force is applied to the outwardly-projecting flexible flaps prior to installation of the resilient insulating member in the passthrough opening, the outwardly-projecting flexible flaps flexing into a second shape and simultaneously engaging the inner and outer portions of the passthrough surface of the passthrough opening when the resilient insulating member is installed in the passthrough opening.
14. The refrigerator of claim 12, wherein: the protrusion comprises a flange at an outer end of the projection, the flange having opposite inner and outer surfaces, wherein the inner surface faces opposite the first direction towards the plane and the outer surface faces in the first direction away from the plane, the flange extending inwardly from a peripheral outer edge of the outer wall towards a center of the passthrough opening; and the resilient insulating member has an end surface that faces in the first direction, the end surface of the resilient insulating member abutting the inner surface of the flange.
15. The refrigerator of claim 13, wherein: the outwardly-projecting flexible flaps have a length and a central portion having a thickness, wherein the thickness of the central portion is less than the length.
16. The refrigerator of claim 15, wherein: the flexible flaps have a substantially uniform cross-sectional shape.
17. The refrigerator of claim 12, wherein: the aperture through the resilient insulating member comprises a first aperture, the resilient insulating member including a second aperture extending through the resilient insulating member; and including: a drain tube extending through the second aperture.
18. The refrigerator of claim 12, wherein: the passthrough surface extending around the passthrough opening has an oblong cross-sectional shape.
19. The refrigerator of claim 12, wherein: the passthrough surface of the passthrough opening includes a first portion having a first dimension, a second portion having a second dimension, and an annular step surface extending between the first and second portions, and wherein the resilient insulating member engages the first portion and the second portion and forms an airtight seal with the first portion and with the second portion.
20. The refrigerator of claim 14, wherein: the outer wrapper includes a flat outer surface that faces away from the vacuum cavity, wherein the flat outer surface extends around the outer wall forming the protrusion; the inner liner includes a flat surface facing the food storage space and extending around and intersecting an inner end of the passthrough surface; the distance between the flat outer surface of the outer wrapper and the flat surface of the inner liner defining a sidewall thickness; the outer wall forming the protrusion extends outwardly away from the flat outer surface of the outer wrapper, the resilient insulating member includes a first end surface, wherein the first end surface of the resilient insulating member abuts the inner surface of the flange at the outer end of the projection, the resilient insulating member including a second end surface that faces inwardly towards the food storage space; wherein a distance between the first and second end surfaces of the resilient insulating member defines a dimension that is greater than the sidewall thickness.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
(1) In the drawings:
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(12) The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles described herein.
DETAILED DESCRIPTION
(13) The present illustrated embodiments reside primarily in combinations of method steps and apparatus components related to an insulated refrigerator structure. Accordingly, the apparatus components and method steps have been represented, where appropriate, by conventional symbols in the drawings, showing only those specific details that are pertinent to understanding the embodiments of the present disclosure so as not to obscure the disclosure with details that will be readily apparent to those of ordinary skill in the art having the benefit of the description herein. Further, like numerals in the description and drawings represent like elements.
(14) For purposes of description herein, the terms upper, lower, right, left, rear, front, vertical, horizontal, and derivatives thereof shall relate to the disclosure as oriented in
(15) The terms including, comprises, comprising, or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by comprises a . . . does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
(16) With reference to
(17) With further reference to
(18) The refrigerator 1 further includes a resilient insulating member 20 (
(19) When assembled, refrigerator 1 further includes an evaporator assembly 23 (
(20) With reference to
(21) First portion 33 of body 32 includes one or more flexible flaps 22A, and second portion 34 of body 32 includes a plurality of flexible flaps 22B. Flaps 22A and 22B are preferably formed integrally with the body 32 and extend around a periphery of body 32. Flaps 22A and 22B deform elastically when resilient insulating member 20 is positioned in passthrough opening 12 due to engagement of flaps 22A and 22B with passthrough surface 13 to thereby form an airtight seal between resilient insulating member 20 and passthrough opening 12 of vacuum insulated cabinet 2. When resilient insulating member 20 is installed (
(22) With reference to
(23) With reference to
(24) Referring again to
(25) With further reference to
(26) With reference to
(27) During assembly, the fluid conduit 28 and foam insulation sleeve 57 may be first inserted into aperture 25 through opening 58 of pull sleeve 50. Force P1 and P2 may be applied to tabs 55 while an axial force F is applied to conduit 28. The fluid conduit 28 may be positioned in the opening 58 of pull sleeve 50 before or after the resilient insulating member 20 is positioned in passthrough opening 12, the fluid conduit 28 is preferably positioned in opening 58 of pull sleeve 50 before resilient insulating member 20 is positioned in passthrough opening 12. During assembly, the second fluid conduit 30 is positioned in aperture 26 (
(28) During assembly, electrical lines 61 are positioned in wire grommet 60 by opening the wire grommet 60 along cut 65 as described above, and the wire grommet 60 is then positioned in aperture 27 by opening resilient insulating member 20 along cut 66 (
(29) With reference to
(30) It will be understood by one having ordinary skill in the art that construction of the described disclosure and other components is not limited to any specific material. Other exemplary embodiments of the disclosure disclosed herein may be formed from a wide variety of materials, unless described otherwise herein.
(31) For purposes of this disclosure, the term coupled (in all of its forms, couple, coupling, coupled, etc.) generally means the joining of two components (electrical or mechanical) directly or indirectly to one another. Such joining may be stationary in nature or movable in nature. Such joining may be achieved with the two components (electrical or mechanical) and any additional intermediate members being integrally formed as a single unitary body with one another or with the two components. Such joining may be permanent in nature or may be removable or releasable in nature unless otherwise stated.
(32) It is also important to note that the construction and arrangement of the elements of the disclosure as shown in the exemplary embodiments is illustrative only. Although only a few embodiments of the present innovations have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited. For example, elements shown as integrally formed may be constructed of multiple parts or elements shown as multiple parts may be integrally formed, the operation of the interfaces may be reversed or otherwise varied, the length or width of the structures and/or members or connector or other elements of the system may be varied, the nature or number of adjustment positions provided between the elements may be varied. It should be noted that the elements and/or assemblies of the system may be constructed from any of a wide variety of materials that provide sufficient strength or durability, in any of a wide variety of colors, textures, and combinations. Accordingly, all such modifications are intended to be included within the scope of the present innovations. Other substitutions, modifications, changes, and omissions may be made in the design, operating conditions, and arrangement of the desired and other exemplary embodiments without departing from the spirit of the present innovations.
(33) It will be understood that any described processes or steps within described processes may be combined with other disclosed processes or steps to form structures within the scope of the present disclosure. The exemplary structures and processes disclosed herein are for illustrative purposes and are not to be construed as limiting.