Patent ID: 7007637
Filing Date: 2006-03-07
Classification: F02F

Abstract:
1. A water jacket for a cylinder head, comprising: a coolant flow channel formed between a coolant inlet and a coolant outlet for allowing the coolant to flow in said cylinder head; coolant flow regulation parts provided in said coolant flow channel for accomplishing smooth flow of the coolant between exhaust ports corresponding to respective combustion chambers; and a coolant flow distribution part provided in said coolant flow channel for uniformly distributing flow of the coolant between said exhaust ports corresponding to the respective combustion chambers, wherein said coolant flow channel comprises: upper coolant flow channels formed above said exhaust ports in said cylinder head; lower coolant flow channels formed below said exhaust ports in said cylinder head; and intermediate coolant flow channels formed between said exhaust ports for connecting said upper coolant flow channels and said lower coolant flow channels, respectively.