Method of producing a cylinder head with a port liner

Details Method of producing a cylinder head with a port liner Method of producing a cylinder head with a port liner

1985-02-26

1986-08-12

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

295276, 29DIG5, 60272, 123193H, 164 98, B23P 1500, B23P 1700, B22D 1900

Patent

active

046047794

ABSTRACT:
A method for producing a cylinder head having a tubular exhaust port liner made of a ceramic material is disclosed. The method comprises providing a covering layer of refractory fibers around the outer circumference of the exhaust port liner, applying a metal cap over each end of the covered exhaust port liner and setting the covered exhaust port liner into a mold. A cylinder head then is cast around the exhaust port liner so that the portions of the metal caps contacting the cylinder head are fused to the cylinder head. The metal caps are bored out to open up the exhaust port after predetermined treatments are performed on the cylinder head.

REFERENCES:
patent: 1655149 (1928-01-01), Lee
patent: 3709772 (1973-01-01), Rice
patent: 3919775 (1975-11-01), Kaneko et al.
patent: 3949552 (1976-04-01), Kaneko et al.
patent: 4077458 (1978-03-01), Hayashi et al.
patent: 4148352 (1979-04-01), Sensui et al.
patent: 4346556 (1982-08-01), Rice et al.

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