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U.S. Department of Energy
Office of Scientific and Technical Information

Cylinder head for combustion engine

Patent ·
OSTI ID:6492948
A cylinder head construction is described for a combustion engine, which comprises: a wall structure defining a cylinder head lower surface adapted to contact a mating surface of a cylinder block, the wall structure having a combustion chamber wall defining a combustion chamber; an exhaust port defining wall connected at one end to the wall structure and at the opposite end to a cylinder head side wall, and defining an exhaust passage within a cylinder head, the exhaust passage opening into the combustion chamber through two exhaust openings provided within the wall structure, and having two discrete passages corresponding each of the opening near the wall structure; a first coolant passage means defined between the wall structure and the exhaust port defining wall; a second coolant passage means defined within a cylinder head at the opposite side of the first coolant passage means to the exhaust port defining wall.
Assignee:
Mazda Motor Corp., Hiroshima, JP
Patent Number(s):
US 4660527
OSTI ID:
6492948
Country of Publication:
United States
Language:
English