US 11,932,000 B2
Refrigerator having a membrane
Muhammad Khizar, Saint Joseph, MI (US); and Maria Paola Pirovano, Molteno (IT)
Assigned to Whirlpool Corporation, Benton Harbor, MI (US)
Filed by WHIRLPOOL CORPORATION, Benton Harbor, MI (US)
Filed on Mar. 23, 2021, as Appl. No. 17/209,924.
Prior Publication US 2022/0305757 A1, Sep. 29, 2022
Int. Cl. B32B 7/022 (2019.01); B32B 1/00 (2006.01); B32B 5/02 (2006.01); B32B 9/00 (2006.01); B32B 23/08 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); F25D 23/06 (2006.01); F25D 25/02 (2006.01)
CPC B32B 7/022 (2019.01) [B32B 1/00 (2013.01); B32B 5/024 (2013.01); B32B 9/007 (2013.01); B32B 23/08 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); F25D 23/066 (2013.01); F25D 25/025 (2013.01); B32B 2262/106 (2013.01); B32B 2307/202 (2013.01); B32B 2307/42 (2013.01); B32B 2307/7244 (2013.01); B32B 2509/10 (2013.01); F25D 2201/00 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A refrigerator comprising:
a sealable internal cavity defined by a plurality of walls; and
a multilayer membrane at least partially covering a portion of the plurality of walls of the internal cavity, the multilayer membrane comprising:
a first layer, provided as a mono-layer, comprising carbon nanotubes and zero-valent nanoparticles; and
a second layer, provided as a mono-layer, comprising a chemistry configured to act as a barrier to transmission of ultraviolet light and to block an ingress or an egress of gases.