Insulating engine exhaust port liner

Details Insulating engine exhaust port liner Insulating engine exhaust port liner

1980-05-12

1982-08-31

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

60282, 123193H, 138145, 138149, 428 36, 428428, F01N 714, F01N 716, F01N 718

Patent

active

043465560

ABSTRACT:
An insulating liner for use in an exhaust port of an internal combustion engine or the like consisting, in a preferred embodiment, of a formed thin wall tubular body of rigidized fibrous ceramic such as fibrous alumina-silica material (Fiberfrax) with an abrasion resistant ceramic coating fused onto the inner gas-exposed surface of the body. The coating comprises a mixture of fused silica cement and fine glass frit sintered in place on the body inner surface at a temperature below that which would damage the thin walls of the body.

REFERENCES:
patent: 2703486 (1955-03-01), Ford
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patent: 3709772 (1973-01-01), Rice
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patent: 3771967 (1973-11-01), Nowak
patent: 3798903 (1974-03-01), Mitchell
patent: 3919755 (1975-11-01), Kaneko
patent: 3957519 (1976-05-01), Linton
patent: 4056399 (1977-11-01), Kirkpatrick
patent: 4195478 (1980-04-01), Rao
patent: 4254621 (1981-03-01), Nagumo

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