SILENCER

摘要

PROBLEM TO BE SOLVED: To provide a silencer to have a high noise reduction effect and be light. SOLUTION: A frame 3 comprises a cubic lattice-form aggregate 1; an oblique lattice-form aggregate 2; and a support shape 5. A ceramic plate 5 is inserted in the groove part 7 of the support shape 5 to form a lattice-form cell 10. A straightening vane 11 and a seal plate are mounted on the end part of a specified cell to form sound absorbing structure.