Title:
SOUNDPROOF DEVICE
Document Type and Number:
Japanese Patent JP2018066787
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a sound absorption device with large sound absorption effect.SOLUTION: A soundproof wall 10X is constituted so that long parts of a soundproof member 10 which is formed of a reflection cylinder and whose cross section is long polyhedron are continuously connected to be extended in a lateral direction or a horizontal direction, a noise component (a) introduced from a reflection opening 12 is made to interfere on a noise source side of the soundproof member 10 including an inner space in the soundproof member 10, and the sound is absorbed by a sound absorbing member 30 arranged in a position of the reflection opening 12 to efficiently reduce the noise component.SELECTED DRAWING: Figure 2
Inventors:
FUKUHARA HIROSHIGE
Application Number:
JP2016203684A
Publication Date:
April 26, 2018
Filing Date:
October 17, 2016
Export Citation:
Assignee:
EE R KK
International Classes:
G10K11/16; E01F8/00
Attorney, Agent or Firm:
Keiki Tanabe