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Folding approach to create a 3D vacuum insulated door from 2d flat vacuum insulation panels

a vacuum insulation panel and vacuum insulation technology, applied in the field of insulated cabinet and door insulated structures, can solve the problems that the known insulated appliance structure may suffer from various drawbacks

Inactive Publication Date: 2016-12-08
WHIRLPOOL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The vacuum insulated structure enhances insulation efficiency, allowing for effective temperature maintenance and ice / water dispensing without the need for foam insulation, improving appliance performance and energy efficiency.

Problems solved by technology

However, known insulated appliance structures may suffer from various drawbacks.

Method used

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  • Folding approach to create a 3D vacuum insulated door from 2d flat vacuum insulation panels
  • Folding approach to create a 3D vacuum insulated door from 2d flat vacuum insulation panels
  • Folding approach to create a 3D vacuum insulated door from 2d flat vacuum insulation panels

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Embodiment Construction

[0019]For purposes of description herein, the terms “upper,”“lower,”“right,”“left,”“rear,”“front,”“vertical,”“horizontal,” and derivatives thereof shall relate to the invention as oriented in FIG. 1. However, it is to be understood that the invention may assume various alternative orientations and step sequences, except where expressly specified to the contrary. It is also to be understood that the specific devices and processes illustrated in the attached drawings, and described in the following specification, are simply exemplary embodiments of the inventive concepts defined in the appended claims. Hence, specific dimensions and other physical characteristics relating to the embodiments disclosed herein are not to be considered as limiting, unless the claims expressly state otherwise.

[0020]With reference to FIGS. 1 and 2, an appliance such as a refrigerator 10 includes a cabinet 12 having upright sidewalls 14A and 14B, an upper sidewall 16, a lower sidewall 18, and a rear sidewall...

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Abstract

An appliance door includes a vacuum insulated structure having a plurality of core sections that are folded to form an ice and / or water dispensing cavity on an outer side of the appliance door. The vacuum insulated door structure may be positioned between an outer door member and a door liner.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation of U.S. patent application Ser. No. 14 / 187,622, filed Feb. 24, 2014, and entitled “A FOLDING APPROACH TO CREATE A 3D VACUUM INSULATED DOOR FROM 2D FLAT VACUUM INSULATION PANELS,” the entire disclosure of which is incorporated herein by reference. This application is related to copending U.S. patent application Ser. No. 14 / 187,640 (Atty. Docket No. SUB-04131-US-NP), entitled “VACUUM PACKAGED 3D VACUUM INSULATED DOOR STRUCTURE AND METHOD THEREFOR USING A TOOLING FIXTURE” filed on Feb. 24, 2014, the entire contents of which are incorporated by reference.BACKGROUND OF THE INVENTION[0002]Various types of insulated cabinet and door insulated structures have been developed for refrigerators, freezers, and other such appliances. Insulated appliance door and cabinet structures may include polyurethane foam or other insulating material that is positioned between an outer door skin or wrapper and an inner door line...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F25D23/02
CPCF25D23/02F25D2201/14F25D23/028Y10T29/49826Y02B40/00
Inventor WU, GUOLIAN
Owner WHIRLPOOL CORP