Internal-combustion engines – Cooling – With jacketed head and/or cylinder
Patent
1989-05-26
1990-11-27
Kamen, Noah P.
Internal-combustion engines
Cooling
With jacketed head and/or cylinder
123 4176, F02F 136
Patent
active
049728075
ABSTRACT:
A cooling jacket arrangement for the cylinder head of a multiple valve internal combustion engine embodying a single camshaft for operating all of the valves. The cooling jacket is supplied with coolant in proximity to portions of the cylinder head that support the exhaust valves and coolant is discharged from outlets formed in portions of the cylinder head that journal the intake valves so as to insure uniform cylinder head temperature. The invention is disclosed in combination with either single or multiple spark plug arrangements and in each embodiment at least a portion of the spark plug is also surrounded by the cooling jacket.
REFERENCES:
patent: 2710602 (1955-06-01), Maybach
patent: 4635591 (1987-01-01), Hledin
patent: 4714058 (1987-12-01), Oda et al.
Beutler Ernest A.
Kamen Noah P.
Yamaha Hatsudoki Kabushiki Kaisha
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