INSULATED EXHAUST PORT LINER FOR A CYLINDER HEAD ASSEMBLY OF A MOTOR VEHICLE
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United States of America Patent
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Issued Date -
Dec 2, 2021
app pub date -
May 29, 2020
filing date -
May 29, 2020
priority date (Note) -
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Abstract
An insulated exhaust port liner of a cylinder head assembly for fluidly connecting to an internal combustion engine of a motor vehicle includes a sealing layer. The sealing layer has a first surface defining a passage for fluidly connecting to the internal combustion engine and receiving exhaust gas. The sealing layer further includes a second surface opposite to the first surface. The liner further includes a thermal barrier layer coated onto the second surface of the sealing layer. The thermal barrier layer is a porous non-woven material for supporting the sealing layer on the cylinder head and reducing a transfer of heat from the sealing layer to the cylinder head.
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