Patent ID: 7510087

Claim:
A case with a partitioning member, comprising: a case; a cover for covering the case; and a partitioning member, having a peripheral portion, held between the case and the cover and partitioning an interior of the case and the cover, wherein, a first welding portion welds the case and the cover together at a position proximate to the peripheral portion of the partitioning member, a second welding portion welds the case and the peripheral portion of the partitioning member to each other, the second welding portion provided inside a first region formed by the first welding portion, the case, and the cover, a third welding portion welds the case and the peripheral portion of the partitioning member to each other, the third welding portion provided inside a second region formed by the second welding portion, the case, and the cover, the second region being inside the first region, the second welding portion and the third welding portion are spaced apart across a length of the peripheral portion to form a pocket portion above the length of the peripheral portion, a hole, open to the atmosphere, is provided in the case between the second welding portion and the third welding portion, the hole connecting with the pocket portion, and the pocket portion is separated from a fluid flow through the partitioning member.