Insulated exhaust port liner

Details Insulated exhaust port liner Insulated exhaust port liner

1991-02-21

1992-09-29

Lazarus, Ira S.

Power plants

Internal combustion engine with treatment or handling of...

60282, 60323, 1231935, F01N 0714

Patent

active

051505720

ABSTRACT:
An exhaust port liner assembly for use in a cylinder head of a vehicle engine composed of spaced inner and outer tubular metal shells having a mass of heat insulating material within the spaced shells and a gasket within the said spaced shells adjacent the outlet port. A metal cylinder head is cast around the spaced inner and outer shells while a removable insert is positioned within the spaced shells adjacent the outlet port. After casting of the metal cylinder head, the insert is removed and replaced by a gasket member.

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