| 摘要 |
PROBLEM TO BE SOLVED: To provide a water jacket spacer which can be fixed when being inserted into a water jacket before expansion of an expansion member and has a simple structure.SOLUTION: A water jacket spacer 10 is inserted into a water jacket. The water jacket spacer 10 includes: an expansion member 12; and a plate-like holder 11 to which the expansion member 12 is fixed. The water jacket spacer 10 includes a flat spring 13 which protrudes from a surface of the holder 11, which is opposite to a surface to which the expansion member 12 is fixed, and contacts with an inner wall of the water jacket. Further, in the water jacket spacer 10, the holder 11 is curved so as to fit with a shape of the water jacket. A position of the water jacket spacer 10 in the water jacket is maintained by a biasing force of the flat spring 13. |
