| 摘要 |
PROBLEM TO BE SOLVED: To provide an EGR cooling device formed to enable the exchange of a unit member into an EGR cooling jacket. SOLUTION: An EGR pipe (3) through which EGR gas flows is surrounded with the EGR cooling jacket (4) to cool EGR gas by feeding cooling water inside. The unit member (5) penetrates the EGR jacket (4) and EGR pipe (3) to be removably inserted so that the unit member (5) can be exchanged with the EGR jacket (4). COPYRIGHT: (C)2006,JPO&NCIPI
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