Internal combustion engine cylinder head method of manufacture

Details Internal combustion engine cylinder head method of manufacture Internal combustion engine cylinder head method of manufacture

1996-06-26

1998-06-16

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

295276, B23P 1500

Patent

active

057652821

ABSTRACT:
Manufacture of a liquid cooled cylinder head for an internal combustion engine is described which reduces incidence of casting fins that may block or impede coolant flow through the cylinder head. The head is cast without internal liquid coolant passages to interconnect the first and second cooling cavities. An opening is machined through an outer surface of the head to define a passage interconnecting the first and second cooling cavities to provide for communication of cooling liquid therebetween. The opening formed by machining through the outer surface of the head is closed. Throat area of the the passage may be selected to control coolant exchange between the first and second cooling cavities and additional passages may be machined in each head to provide additional coolant interchange or to vent air from the cooling cavities.

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