JPS57142432A - Sound-shielding cylinder for use in vent-port - Google Patents

Sound-shielding cylinder for use in vent-port

Info

Publication number
JPS57142432A
JPS57142432A JP56124039A JP12403981A JPS57142432A JP S57142432 A JPS57142432 A JP S57142432A JP 56124039 A JP56124039 A JP 56124039A JP 12403981 A JP12403981 A JP 12403981A JP S57142432 A JPS57142432 A JP S57142432A
Authority
JP
Japan
Prior art keywords
sound
vent
port
shielding cylinder
passage
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.)
Granted
Application number
JP56124039A
Other languages
English (en)
Japanese (ja)
Other versions
JPS621494B2 (cg-RX-API-DMAC7.html
Inventor
Hiromitsu Naka
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.)
Naka Technical Laboratory Co Ltd
Original Assignee
Naka Technical Laboratory Co Ltd
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 Naka Technical Laboratory Co Ltd filed Critical Naka Technical Laboratory Co Ltd
Priority to JP56124039A priority Critical patent/JPS57142432A/ja
Publication of JPS57142432A publication Critical patent/JPS57142432A/ja
Publication of JPS621494B2 publication Critical patent/JPS621494B2/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
    • F24F13/24—Means for preventing or suppressing noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Ventilation (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP56124039A 1981-08-10 1981-08-10 Sound-shielding cylinder for use in vent-port Granted JPS57142432A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56124039A JPS57142432A (en) 1981-08-10 1981-08-10 Sound-shielding cylinder for use in vent-port

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56124039A JPS57142432A (en) 1981-08-10 1981-08-10 Sound-shielding cylinder for use in vent-port

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP11728976A Division JPS5343939A (en) 1976-10-01 1976-10-01 Muffling cylinder for ventilating hole

Publications (2)

Publication Number Publication Date
JPS57142432A true JPS57142432A (en) 1982-09-03
JPS621494B2 JPS621494B2 (cg-RX-API-DMAC7.html) 1987-01-13

Family

ID=14875499

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56124039A Granted JPS57142432A (en) 1981-08-10 1981-08-10 Sound-shielding cylinder for use in vent-port

Country Status (1)

Country Link
JP (1) JPS57142432A (cg-RX-API-DMAC7.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008185057A (ja) * 2007-01-26 2008-08-14 Yamaha Motor Co Ltd 樹脂ブロックベルトを有するベルト式無段変速機を備えた鞍乗型車両
US20150101883A1 (en) * 2013-10-10 2015-04-16 Yonghui Xu Sound attenuation module and oversized grill
JP2019056816A (ja) * 2017-09-21 2019-04-11 富士フイルム株式会社 消音システム
EP4290151A1 (en) * 2022-06-07 2023-12-13 Wilms NV Wall passage

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49104930U (cg-RX-API-DMAC7.html) * 1972-12-25 1974-09-09
JPS5050257U (cg-RX-API-DMAC7.html) * 1973-09-04 1975-05-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49104930U (cg-RX-API-DMAC7.html) * 1972-12-25 1974-09-09
JPS5050257U (cg-RX-API-DMAC7.html) * 1973-09-04 1975-05-16

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008185057A (ja) * 2007-01-26 2008-08-14 Yamaha Motor Co Ltd 樹脂ブロックベルトを有するベルト式無段変速機を備えた鞍乗型車両
US20150101883A1 (en) * 2013-10-10 2015-04-16 Yonghui Xu Sound attenuation module and oversized grill
JP2019056816A (ja) * 2017-09-21 2019-04-11 富士フイルム株式会社 消音システム
EP4290151A1 (en) * 2022-06-07 2023-12-13 Wilms NV Wall passage
BE1030595B1 (nl) * 2022-06-07 2024-01-15 Wilms N V Wanddoorvoer

Also Published As

Publication number Publication date
JPS621494B2 (cg-RX-API-DMAC7.html) 1987-01-13

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