| 摘要 |
PROBLEM TO BE SOLVED: To provide an EGR device in which an EGR valve 4 being an integrated molding of a shaft 12 and a valve body 13 can be assembled into a housing 3 without increasing the number of part items.SOLUTION: An insertion hole 7 which allows the assembling of an EGR valve 4 being an integrated molding of a shaft 12 and a valve body 13 into a housing 3 is formed at the housing 3. The insertion hole 7 is formed at a position on a side opposite to a bearing hole 6 with respect to a gas passage 2, and opened at an internal peripheral face of the gas passage 2 on an IN-side. The EGR valve 4 being the integrated molding is inserted into the insertion hole 7 in a state that a bearing is pressure-inserted and fixed to an internal periphery of the bearing hole 6 in advance, and in a state that a cylinder nozzle 9 is not pressure-inserted and fixed to the gas passage 2 yet. After assembling the EGR valve 4 into the housing 3, by pressure-inserting and fixing the cylinder nozzle 9 to the internal periphery of the gas passage 2, an opening part of the insertion hole 7 which is opened at the internal peripheral face of the gas passage 2 can be air-tightly blocked by the cylinder nozzle 9.SELECTED DRAWING: Figure 4 |
