Light metal cylinder head for a valve-controlled internal combus

Details Light metal cylinder head for a valve-controlled internal combus Light metal cylinder head for a valve-controlled internal combus

1981-09-03

1984-01-24

Feinberg, Craig R.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

123668, F02F 126

Patent

active

044269633

ABSTRACT:
A light metal cylinder head for a valve-controlled internal combustion engine. The cylinder head is provided with at least one insert introduced into that bottom portion of the cylinder head located between the valves, and also has a bore, in that portion of the cylinder head bottom which faces the combustion chamber, for an injection nozzle or a straight channel and/or for an ignition aid, whereby at least the bottom region located between the valves, including the bore region, is coated with a crack-precluding oxide layer. In addition, that portion of the insert which comes into contact with the oxide layer is coated with a material which is resistant to the method of producing the oxide layer.

REFERENCES:
patent: 3459167 (1969-08-01), Briggs et al.
patent: 3552370 (1971-01-01), Briggs
patent: 3911891 (1975-10-01), Dowell
patent: 4245611 (1981-01-01), Mitchell et al.
patent: 4254621 (1981-03-01), Nagumo
patent: 4337735 (1982-07-01), Lichtner et al.

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