| 摘要 |
PROBLEM TO BE SOLVED: To manufacture a muffler having high dimensional accuracy at low cost while suppressing the deformation of a mold with a small injection molding machine.SOLUTION: In the muffler 300 which is set in a suction passage or in a delivery passage of a compressor, an upstream side cell structure 301 and a downstream side cell structure 302 each having a cell structure part formed with a cell passage of fins arranged radially inside the cylindrical body, are positioned in a direction around the axis by engaging the extended part 308a of the other projected part 308 with the groove 307 formed on the circumference of one cylindrical body, and a claw part 309 formed at the tip of one extended part 308a is engaged with the end of the other cylindrical body to be positioned in the axial direction for connection into one component. |
