| 摘要 |
An oil cooler including a plurality of core plates stacked on each other, the plurality of core plates each including a base wall and a circumferential wall formed along an entire outer periphery of the base wall, and oil passages and cooling water passages alternately arranged in the direction of stacking the core plates. The core plates include at least a first core plate and a second core plate that is different from the first core plate in construction. The circumferential wall of the second core plate has a height being varied along a circumferential direction of the base wall. The circumferential wall of the second core plate is partially higher than the circumferential wall of the first core plate. |
