Multi-Section Core Vacuum Insulation Panels with Hybrid Barrier Film Envelope
A multi-layer vacuum insulating panel (10) is disclosed. The multi-layer vacuum insulating panel (10) includes: a first barrier film (14) having at least one polymeric material layer and; a second barrier film (16) having at least one interior polymeric layer (34), a metal foil layer (30), and at least one exterior polymeric layer (32) positioned on the opposite side of the metal foil layer (30) as the at least one interior polymeric layer (34); a sealing junction (19) between the first barrier film (14) and the second barrier film (16) at a sealing section (17) about a perimeter of the first barrier film (14) and the second barrier film (16) where the first barrier film (14) and the second barrier film (16) physically and sealingly engage one another; and a multi-section central core (20) having a first fumed silica region (26) that contains at least one fumed silica compound and at least one fibrous (fiberglass) region (28) that are each discrete regions within the interior volume.
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Published patent application
Disclosure date: 02-02-2015
Publication date: 08-26-2015
Applicant: WHIRLPOOL CO, US
Inventor: WU GUOLIAN, IT
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