| 摘要 |
PROBLEM TO BE SOLVED: To provide a cooling water bypass structure for a radiator, in which increase of water sending resistance of cooling water can be restricted without enlarging the radiator while preventing cavitation or the like of a pump. SOLUTION: In the radiator, parted spaces 13 and 14 are connected to each other by a bypass passage (bypass pipe 4) having a valve mechanism 5. The valve mechanism 5 is actuated in accordance with pressure of cooling water, so that part of the cooling water in the parted space 13 on the upstream side flows into the parted space 14 on the downstream side through the bypass passage 4. COPYRIGHT: (C)2006,JPO&NCIPI
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