Low cost cast-in place port liner

Details Low cost cast-in place port liner Low cost cast-in place port liner

1978-10-25

1980-06-10

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

123193H, 138149, 164 98, 428447, F01N 310

Patent

active

042065984

ABSTRACT:
A method and apparatus for insulating the exhaust passage of an internal combustion engine is disclosed. A three-zone liner assembly is provided with an outer zone comprised of a room temperature vulcanizing silicone sleeve, an inner zone comprised of a stamped and seam welded high strength Al-Cr-steel alloy, and an intermediate zone consisting of a ceramic wool mat. The liner assembly is supported or enclosed within a mild carbon sheet metal sleeve which in turn may be bonded to the engine passage wall by use of a room-temperature-vulcanized silicone if of the insert type, or by fusion bonding during casting if of the cast-in-place type.

REFERENCES:
patent: 3477869 (1969-11-01), Butler
patent: 3560244 (1971-02-01), Neuroth
patent: 3709772 (1973-01-01), Rice
patent: 3864908 (1975-02-01), LaHaye
patent: 3899300 (1975-08-01), D'Olier
patent: 4031699 (1977-06-01), Suga
patent: 4077458 (1978-03-01), Hayashi
patent: 4123902 (1978-11-01), Iida
patent: 4124732 (1978-11-01), Leger

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