WO2008126253A1 - ファン騒音低減装置及びファン騒音低減方法 - Google Patents

ファン騒音低減装置及びファン騒音低減方法 Download PDF

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Publication number
WO2008126253A1
WO2008126253A1 PCT/JP2007/057104 JP2007057104W WO2008126253A1 WO 2008126253 A1 WO2008126253 A1 WO 2008126253A1 JP 2007057104 W JP2007057104 W JP 2007057104W WO 2008126253 A1 WO2008126253 A1 WO 2008126253A1
Authority
WO
WIPO (PCT)
Prior art keywords
fan noise
fan
noise
reduction device
reducing
Prior art date
Application number
PCT/JP2007/057104
Other languages
English (en)
French (fr)
Inventor
Hiroyuki Furuya
Original Assignee
Fujitsu Limited
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 Fujitsu Limited filed Critical Fujitsu Limited
Priority to JP2009508803A priority Critical patent/JPWO2008126253A1/ja
Priority to PCT/JP2007/057104 priority patent/WO2008126253A1/ja
Publication of WO2008126253A1 publication Critical patent/WO2008126253A1/ja

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/665—Sound attenuation by means of resonance chambers or interference
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20181—Filters; Louvers

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

本発明は筐体内部に設けられたファンにおけるファン騒音低減装置及びファン騒音低減方法であって、ファン吸入空気或いは排気風の経路途中に設置された騒音特性調整板を移動可能とし、調整手段によりこの騒音特性調整板を移動して通風抵抗を調整するよう構成したことを特徴とする。 この構成によって騒音発生の少ない通風抵抗とすることが可能となり、コンパクトな構成でファンに発生する騒音を有効に低減することができる。
PCT/JP2007/057104 2007-03-30 2007-03-30 ファン騒音低減装置及びファン騒音低減方法 WO2008126253A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009508803A JPWO2008126253A1 (ja) 2007-03-30 2007-03-30 ファン騒音低減装置及びファン騒音低減方法
PCT/JP2007/057104 WO2008126253A1 (ja) 2007-03-30 2007-03-30 ファン騒音低減装置及びファン騒音低減方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/057104 WO2008126253A1 (ja) 2007-03-30 2007-03-30 ファン騒音低減装置及びファン騒音低減方法

Publications (1)

Publication Number Publication Date
WO2008126253A1 true WO2008126253A1 (ja) 2008-10-23

Family

ID=39863433

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/057104 WO2008126253A1 (ja) 2007-03-30 2007-03-30 ファン騒音低減装置及びファン騒音低減方法

Country Status (2)

Country Link
JP (1) JPWO2008126253A1 (ja)
WO (1) WO2008126253A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8286751B2 (en) * 2009-10-02 2012-10-16 Fujitsu Limited Muffling device
CN107676280A (zh) * 2017-11-08 2018-02-09 江苏格林机械有限公司 一种矿用消音风机
JP2018071420A (ja) * 2016-10-28 2018-05-10 東芝キヤリア株式会社 冷凍サイクル装置の室外機

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53103906A (en) * 1977-02-21 1978-09-09 Voest Ag Refining plant
JPS58144693A (ja) * 1982-02-22 1983-08-29 Hitachi Ltd 送風機
JPS6270789A (ja) * 1985-09-24 1987-04-01 日本電気株式会社 防音兼排気装置
JP2000019931A (ja) * 1998-07-01 2000-01-21 Ricoh Co Ltd 画像形成装置
JP2002244514A (ja) * 2001-02-14 2002-08-30 Ricoh Co Ltd 画像形成装置
JP2003004261A (ja) * 2001-06-25 2003-01-08 Daikin Ind Ltd 空気調和装置の室外機
JP2003204183A (ja) * 2002-01-10 2003-07-18 Hiroshi Kuramochi ダクトおよびラック
JP2004270577A (ja) * 2003-03-10 2004-09-30 Denso Corp 遠心送風機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6014604A (ja) * 1983-07-05 1985-01-25 Daikin Ind Ltd 可変容量形液圧装置
JPH11299757A (ja) * 1998-04-17 1999-11-02 Ge Yokogawa Medical Systems Ltd キャビネット

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53103906A (en) * 1977-02-21 1978-09-09 Voest Ag Refining plant
JPS58144693A (ja) * 1982-02-22 1983-08-29 Hitachi Ltd 送風機
JPS6270789A (ja) * 1985-09-24 1987-04-01 日本電気株式会社 防音兼排気装置
JP2000019931A (ja) * 1998-07-01 2000-01-21 Ricoh Co Ltd 画像形成装置
JP2002244514A (ja) * 2001-02-14 2002-08-30 Ricoh Co Ltd 画像形成装置
JP2003004261A (ja) * 2001-06-25 2003-01-08 Daikin Ind Ltd 空気調和装置の室外機
JP2003204183A (ja) * 2002-01-10 2003-07-18 Hiroshi Kuramochi ダクトおよびラック
JP2004270577A (ja) * 2003-03-10 2004-09-30 Denso Corp 遠心送風機

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8286751B2 (en) * 2009-10-02 2012-10-16 Fujitsu Limited Muffling device
JP2018071420A (ja) * 2016-10-28 2018-05-10 東芝キヤリア株式会社 冷凍サイクル装置の室外機
CN107676280A (zh) * 2017-11-08 2018-02-09 江苏格林机械有限公司 一种矿用消音风机

Also Published As

Publication number Publication date
JPWO2008126253A1 (ja) 2010-07-22

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