JP2007252938A5 - - Google Patents

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Publication number
JP2007252938A5
JP2007252938A5 JP2007122432A JP2007122432A JP2007252938A5 JP 2007252938 A5 JP2007252938 A5 JP 2007252938A5 JP 2007122432 A JP2007122432 A JP 2007122432A JP 2007122432 A JP2007122432 A JP 2007122432A JP 2007252938 A5 JP2007252938 A5 JP 2007252938A5
Authority
JP
Japan
Prior art keywords
hole
noise reduction
sound
heat conversion
noise
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2007122432A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007252938A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2007122432A priority Critical patent/JP2007252938A/ja
Priority claimed from JP2007122432A external-priority patent/JP2007252938A/ja
Publication of JP2007252938A publication Critical patent/JP2007252938A/ja
Publication of JP2007252938A5 publication Critical patent/JP2007252938A5/ja
Pending legal-status Critical Current

Links

JP2007122432A 2007-05-07 2007-05-07 騒音低減装置 Pending JP2007252938A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007122432A JP2007252938A (ja) 2007-05-07 2007-05-07 騒音低減装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007122432A JP2007252938A (ja) 2007-05-07 2007-05-07 騒音低減装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2003071698A Division JP2004279779A (ja) 2003-03-17 2003-03-17 騒音低減装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2012202249A Division JP5533965B2 (ja) 2012-09-14 2012-09-14 掃除機

Publications (2)

Publication Number Publication Date
JP2007252938A JP2007252938A (ja) 2007-10-04
JP2007252938A5 true JP2007252938A5 (zh) 2007-11-22

Family

ID=38627726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007122432A Pending JP2007252938A (ja) 2007-05-07 2007-05-07 騒音低減装置

Country Status (1)

Country Link
JP (1) JP2007252938A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015100426A1 (de) * 2015-01-13 2016-07-14 Alfred Kärcher Gmbh & Co. Kg Reinigungsgerät und Verfahren zur Lärmminderung bei einem Reinigungsgerät

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0271300A (ja) * 1988-05-06 1990-03-09 Toushiyou Eng Kk 吸音体とそれを利用した吸音ダクト
JPH02301609A (ja) * 1989-05-15 1990-12-13 Fujitsu Ltd 消音器
JP3346084B2 (ja) * 1995-03-27 2002-11-18 東海ゴム工業株式会社 吸音装置
JPH10333686A (ja) * 1997-05-28 1998-12-18 Sharp Corp 消音器
JP3486629B2 (ja) * 1998-09-21 2004-01-13 学校法人立命館 共鳴器型吸音装置
JP2000214860A (ja) * 1999-01-21 2000-08-04 Tokai Rubber Ind Ltd レゾネ―ト式吸音体
JP3317936B2 (ja) * 1999-09-02 2002-08-26 鹿島建設株式会社 低周波音低減装置
JP3882451B2 (ja) * 2000-03-03 2007-02-14 いすゞ自動車株式会社 防音型エンジンフード
JP2002356934A (ja) * 2001-06-04 2002-12-13 Univ Tokyo 板材を二重に用いた遮音構造
JP2003063322A (ja) * 2001-08-24 2003-03-05 Inoac Corp アンダーカバー

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