JPH0346715B2 - - Google Patents

Info

Publication number
JPH0346715B2
JPH0346715B2 JP63231654A JP23165488A JPH0346715B2 JP H0346715 B2 JPH0346715 B2 JP H0346715B2 JP 63231654 A JP63231654 A JP 63231654A JP 23165488 A JP23165488 A JP 23165488A JP H0346715 B2 JPH0346715 B2 JP H0346715B2
Authority
JP
Japan
Prior art keywords
resonance
cylinder
duct
connecting pipe
resonant
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.)
Expired - Lifetime
Application number
JP63231654A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0266396A (ja
Inventor
Takeo Shiga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SANBETSUKU KK
Original Assignee
SANBETSUKU KK
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 SANBETSUKU KK filed Critical SANBETSUKU KK
Priority to JP63231654A priority Critical patent/JPH0266396A/ja
Publication of JPH0266396A publication Critical patent/JPH0266396A/ja
Publication of JPH0346715B2 publication Critical patent/JPH0346715B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0209—Ducting arrangements characterised by their connecting means, e.g. flanges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0236—Ducting arrangements with ducts including air distributors, e.g. air collecting boxes with at least three openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/242—Sound-absorbing material

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pipe Accessories (AREA)
  • Duct Arrangements (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP63231654A 1988-05-20 1988-09-16 送気ダクトの消音装置 Granted JPH0266396A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63231654A JPH0266396A (ja) 1988-05-20 1988-09-16 送気ダクトの消音装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63-124652 1988-05-20
JP12465288 1988-05-20
JP63231654A JPH0266396A (ja) 1988-05-20 1988-09-16 送気ダクトの消音装置

Publications (2)

Publication Number Publication Date
JPH0266396A JPH0266396A (ja) 1990-03-06
JPH0346715B2 true JPH0346715B2 (en]) 1991-07-17

Family

ID=26461291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63231654A Granted JPH0266396A (ja) 1988-05-20 1988-09-16 送気ダクトの消音装置

Country Status (1)

Country Link
JP (1) JPH0266396A (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006018404B4 (de) * 2006-04-20 2020-11-26 Airbus Operations Gmbh Lärmoptimierter Luftverteiler
JP4943209B2 (ja) * 2007-03-30 2012-05-30 公益財団法人鉄道総合技術研究所 低周波音低減方法及び装置
US10876504B2 (en) * 2017-07-26 2020-12-29 Tigers Polymer Corporation Silencer having expansion chamber and partition
CN107588520A (zh) * 2017-09-28 2018-01-16 衡阳泰豪通信车辆有限公司 一种兼具分流和消音功能的风道分流器
CN107956751B (zh) * 2017-11-28 2023-10-31 江苏徐工国重实验室科技有限公司 消声装置及扫路车
FR3083298B1 (fr) * 2018-07-02 2021-01-15 Bosch Gmbh Robert Dispositif reducteur de bruit pour une conduite de ventilation traversee par un flux gazeux

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5686295A (en) * 1979-12-18 1981-07-13 Shiyouon Giken Kk Silencer for low frequency and ultraalow frequency
JPS5712190A (en) * 1980-06-25 1982-01-22 Hitachi Ltd Silencer for fluid pipeline

Also Published As

Publication number Publication date
JPH0266396A (ja) 1990-03-06

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