Cylinder head for internal combustion engines

Internal-combustion engines – Cooling – With jacketed head and/or cylinder

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1231935, F02B 7508

Patent

active

055865224

ABSTRACT:
A cylinder head for an internal combustion engine includes a replaceable combustion chamber dome and an engine cylinder head housing which receives and supports the combustion chamber dome therein. The dome includes a spark plug housing that fits within an aperture within the engine cylinder head housing in such a way that rotational movement of the dome relative to the housing is prevented. The engine cylinder head housing includes a fluid coolant inlet port, a dome cooling chamber in fluid communication with the inlet port and which surrounds an outer periphery of the dome, and an exhaust port in fluid communication with the dome cooling chamber whereby coolant is directed to a cylinder block for the engine. The housing further includes a cylinder head housing cooling chamber in fluid communication with coolant within the cylinder block, and an outlet port in fluid communication with the cylinder head housing cooling chamber.

REFERENCES:
patent: 4121550 (1978-10-01), Wand et al.
patent: 4508066 (1985-04-01), Hartsock
patent: 4532896 (1985-08-01), Nakahara et al.
patent: 4569313 (1986-02-01), Nobu
patent: 4635591 (1987-01-01), Hledin
patent: 4825817 (1989-05-01), Romanowski
patent: 5094193 (1992-03-01), Yoshikawa

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