Title:
MUFFLER, MUFFLER DEVICE PROVIDED THEREWITH, AND DAMPERS
Document Type and Number:
WIPO Patent Application WO/2011/152057
Kind Code:
A1
Abstract:
Disclosed is a muffler device whereby the vibration of a muffler is suppressed regardless of the natural frequency of the body of said muffler. Said muffler device comprises: a muffler (2); two exhaust pipes (Pi and Po), the ends of which are connected to the muffler (2); and a support part (3) that supports the muffler (2). The muffler (2) comprises: a muffler body (20) in which an expansion chamber (2a) for reducing noise propagated via the pipes (Pi and Po) is formed; and damper mechanisms (D) that contain large numbers of granular bodies (D0) that move in response to vibration of the muffler body (20), thereby attenuating said vibration.
Inventors:
MASUDA, Kyoko (())
増田 京子 (())
TSUGIHASHI, Kazuki (())
次橋 一樹 (())
増田 京子 (())
TSUGIHASHI, Kazuki (())
次橋 一樹 (())
Application Number:
JP2011/003113
Publication Date:
December 08, 2011
Filing Date:
June 02, 2011
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO (10-26, Wakinohama-cho 2-chome Chuo-ku, Kobe-sh, Hyogo 85, 〒6518585, JP)
株式会社神戸製鋼所 (〒85 兵庫県神戸市中央区脇浜町２丁目１０番２６号 Hyogo, 〒6518585, JP)
MASUDA, Kyoko (())
増田 京子 (())
TSUGIHASHI, Kazuki (())
株式会社神戸製鋼所 (〒85 兵庫県神戸市中央区脇浜町２丁目１０番２６号 Hyogo, 〒6518585, JP)
MASUDA, Kyoko (())
増田 京子 (())
TSUGIHASHI, Kazuki (())
International Classes:
F16F15/02; F01N1/08; F02M35/12; B60K13/04
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (Osaka Nakanoshima Building 2nd Floor, 2-2 Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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