HK1084442A1 - Noise reducing device - Google Patents

Noise reducing device

Info

Publication number
HK1084442A1
HK1084442A1 HK06104730.1A HK06104730A HK1084442A1 HK 1084442 A1 HK1084442 A1 HK 1084442A1 HK 06104730 A HK06104730 A HK 06104730A HK 1084442 A1 HK1084442 A1 HK 1084442A1
Authority
HK
Hong Kong
Prior art keywords
reducing device
noise reducing
noise
reducing
Prior art date
Application number
HK06104730.1A
Other languages
English (en)
Inventor
Susumu Fujiwara
Akihiro Iwahara
Takeshi Toi
Takahiro Kashiwagi
Original Assignee
Mitsubishi Electric Corp
Mitsubishi Electric Home Appl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp, Mitsubishi Electric Home Appl filed Critical Mitsubishi Electric Corp
Publication of HK1084442A1 publication Critical patent/HK1084442A1/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/04—Acoustic filters ; Acoustic resonators
HK06104730.1A 2003-03-17 2006-04-20 Noise reducing device HK1084442A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003071698A JP2004279779A (ja) 2003-03-17 2003-03-17 騒音低減装置
PCT/JP2004/003311 WO2004083799A1 (ja) 2003-03-17 2004-03-12 騒音低減装置

Publications (1)

Publication Number Publication Date
HK1084442A1 true HK1084442A1 (en) 2006-07-28

Family

ID=33027698

Family Applications (1)

Application Number Title Priority Date Filing Date
HK06104730.1A HK1084442A1 (en) 2003-03-17 2006-04-20 Noise reducing device

Country Status (5)

Country Link
JP (1) JP2004279779A (xx)
KR (2) KR20070005740A (xx)
CN (1) CN100397483C (xx)
HK (1) HK1084442A1 (xx)
WO (1) WO2004083799A1 (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101084819B (zh) * 2006-06-08 2010-12-22 乐金电子(天津)电器有限公司 真空吸尘器
KR100857226B1 (ko) * 2007-10-04 2008-09-05 주식회사 롯데기공 가스보일러용 연료 혼합기
KR100961730B1 (ko) * 2008-04-16 2010-06-10 대지금속 주식회사 소음저감 구조를 갖는 흡기장치
CN102810933A (zh) * 2011-06-03 2012-12-05 乐金电子(天津)电器有限公司 消音器、电机壳及具有该电机壳的吸尘器
JP5899399B2 (ja) * 2012-02-24 2016-04-06 パナソニックＩｐマネジメント株式会社 電気掃除機
WO2013139838A1 (de) * 2012-03-22 2013-09-26 Alfred Kärcher Gmbh & Co. Kg Saugaggregat und saugmaschine
CN103377650B (zh) * 2012-04-23 2016-04-06 淮南矿业(集团)有限责任公司 消音装置
DE102012207347A1 (de) * 2012-05-03 2013-11-07 BSH Bosch und Siemens Hausgeräte GmbH Geräuscharme ausblasvorrichtung für ein haushaltsgerät
CN103169426B (zh) * 2013-04-12 2016-04-13 天佑电器（苏州）有限公司 一种吸尘器的出风风道
WO2015043617A1 (de) 2013-09-24 2015-04-02 Alfred Kärcher Gmbh & Co. Kg Reinigungsgerät
CN105534409A (zh) * 2016-01-28 2016-05-04 江苏美的清洁电器股份有限公司 吸尘器的风道系统和具有其的吸尘器
KR102457135B1 (ko) 2018-01-09 2022-10-19 엘지전자 주식회사 청소기
JP6977175B2 (ja) * 2018-08-17 2021-12-08 富士フイルム株式会社 防音構造体および防音ユニット
KR102367147B1 (ko) * 2020-08-05 2022-02-25 세세건설 주식회사 흡읍장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4428137Y1 (xx) * 1964-08-28 1969-11-22
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
GB8817669D0 (en) * 1988-07-25 1988-09-01 Short Brothers Ltd Means for attenuating sound energy
JPH02307418A (ja) * 1989-05-23 1990-12-20 Matsushita Electric Ind Co Ltd 真空掃除機用吸込みパイプ
CN2128864Y (zh) * 1992-05-16 1993-03-31 浙江大学流体工程研究所 降噪吸尘器
US5471707A (en) * 1993-05-29 1995-12-05 Daewoo Electronics Co., Ltd. Assembly for a vacuum cleaner having a sound-absorbing system
JP3346084B2 (ja) * 1995-03-27 2002-11-18 東海ゴム工業株式会社 吸音装置
JP2000214860A (ja) * 1999-01-21 2000-08-04 Tokai Rubber Ind Ltd レゾネ―ト式吸音体

Also Published As

Publication number Publication date
KR20050006170A (ko) 2005-01-15
KR20070005740A (ko) 2007-01-10
JP2004279779A (ja) 2004-10-07
CN1697966A (zh) 2005-11-16
CN100397483C (zh) 2008-06-25
WO2004083799A1 (ja) 2004-09-30

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20220309