| 摘要 |
The present invention relates to a cylinder head having a cooling circuit (3) comprising: an ignition unit particularly, a spiral part (2) for spark plug; and at least one cooling cavity (4), which can be cooled by feeding a cooling medium through the cooling circuit (3) at the operation, wherein in the cooling circuit (3), an additional cooling cavity (5) having an inner side wall (6) and an inlet (7) substantially installed in opposite to such an inner side wall (6) is provided, and the flow of cooling medium (J1) flowing into the inlet (7) is biased by the inner side wall (6) such that the flow of cooling medium (J1) passes by the circumference of the spiral part (2) at least partially. |
