Title:
SOUND INSULATOR
Document Type and Number:
Japanese Patent JP3485552
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lightweight, compact and maintenance-free sound insulator.
SOLUTION: A resonator device 13 is provided at the tip of a sound insulating wall material 12. The resonator device 13 constitutes a plurality of helmholtz resonators, which have different resonance frequencies. The resonating device 13 comprises an outer frame 16 and first partitioning plates 18-24 and second partitioning plate 25-30 arranged therein, which partition the inner part of the resonator device 13 to constitute the resonators.
Inventors:
Hiroshi Yano
Mitsuaki Oda
Shiro Homma
Hideki Shimodoi
Mitsuaki Oda
Shiro Homma
Hideki Shimodoi
Application Number:
JP2001255103A
Publication Date:
January 13, 2004
Filing Date:
August 24, 2001
Export Citation:
Assignee:
Kawasaki Heavy Industries, Ltd.
International Classes:
E01F8/00; E01F8/02; G10K11/16; G10K11/162; (IPC1-7): E01F8/00; G10K11/16; G10K11/162
Domestic Patent References:
| JP11256523A | ||||
| JP2000265422A | ||||
| JP2001317014A |
Attorney, Agent or Firm:
Yoshihiro Tsunoda (5 others)