US 12,441,084 B2
Thermal insulation system
Karthick Vilapakkam Gourishankar, Bengaluru (IN); Mohandas Nayak, Bengaluru (IN); Dattu Guru Venkata Jonnalagadda, Bengaluru (IN); Emily Marie Phelps, Xenia, OH (US); Navish Garg, Bengaluru (IN); Soumya Chakraborty, Bengaluru (IN); and Gordon C. Tajiri, Waynesville, OH (US)
Assigned to Unison Industries, LLC, Jacksonville, FL (US)
Filed by Unison Industries, LLC, Jacksonville, FL (US)
Filed on Jun. 28, 2022, as Appl. No. 17/851,800.
Claims priority of application No. 202111047592 (IN), filed on Oct. 20, 2021.
Prior Publication US 2023/0117007 A1, Apr. 20, 2023
Int. Cl. B32B 15/04 (2006.01); B32B 5/02 (2006.01); B32B 15/08 (2006.01); B32B 15/14 (2006.01); B32B 15/18 (2006.01); B32B 15/20 (2006.01); B32B 18/00 (2006.01); B32B 27/12 (2006.01); B32B 27/28 (2006.01)
CPC B32B 15/08 (2013.01) [B32B 5/024 (2013.01); B32B 15/043 (2013.01); B32B 15/14 (2013.01); B32B 15/18 (2013.01); B32B 15/20 (2013.01); B32B 18/00 (2013.01); B32B 27/12 (2013.01); B32B 27/281 (2013.01); B32B 2255/02 (2013.01); B32B 2255/06 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2262/101 (2013.01); B32B 2307/304 (2013.01); B32B 2605/18 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A thermal insulation system for an aerospace duct through which high temperature fluid, greater than 500 F, passes, the thermal insulation system comprising:
a first foil layer confronting the aerospace duct;
an insulation layer confronting the first foil layer;
a second foil layer confronting the insulation layer;
at least one dimple included in the first foil layer; and
at least one infrared coating applied to one or more of a first foil outer face of the first foil layer, an inner insulation face of the insulation layer or an outer insulation face of the insulation layer, and wherein one infrared coating of the at least one infrared coating contacts the at least one dimple;
wherein at least one inner gas pocket is located at the at least one dimple and is defined by a first foil inner face of the first foil layer and an exterior wall of the aerospace duct.