SE456179B - Ljuddempare - Google Patents

Ljuddempare

Info

Publication number
SE456179B
SE456179B SE8601571A SE8601571A SE456179B SE 456179 B SE456179 B SE 456179B SE 8601571 A SE8601571 A SE 8601571A SE 8601571 A SE8601571 A SE 8601571A SE 456179 B SE456179 B SE 456179B
Authority
SE
Sweden
Prior art keywords
channel
muffler
mineral fiber
parts
elements
Prior art date
Application number
SE8601571A
Other languages
English (en)
Swedish (sv)
Other versions
SE8601571D0 (sv
SE8601571L (sv
Inventor
N-A Andersson
Original Assignee
Ecophon Ab
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 Ecophon Ab filed Critical Ecophon Ab
Priority to SE8601571A priority Critical patent/SE456179B/sv
Publication of SE8601571D0 publication Critical patent/SE8601571D0/xx
Priority to NO870805A priority patent/NO173466C/no
Priority to DK176587A priority patent/DK165564C/da
Publication of SE8601571L publication Critical patent/SE8601571L/xx
Publication of SE456179B publication Critical patent/SE456179B/sv

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
    • F24F13/0281—Multilayer duct
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Silencers (AREA)
  • Laminated Bodies (AREA)
SE8601571A 1986-04-08 1986-04-08 Ljuddempare SE456179B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8601571A SE456179B (sv) 1986-04-08 1986-04-08 Ljuddempare
NO870805A NO173466C (no) 1986-04-08 1987-02-26 Lyddemper
DK176587A DK165564C (da) 1986-04-08 1987-04-07 Lyddaemper navnlig til ventilationskanaler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8601571A SE456179B (sv) 1986-04-08 1986-04-08 Ljuddempare

Publications (3)

Publication Number Publication Date
SE8601571D0 SE8601571D0 (sv) 1986-04-08
SE8601571L SE8601571L (sv) 1987-10-09
SE456179B true SE456179B (sv) 1988-09-12

Family

ID=20364093

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8601571A SE456179B (sv) 1986-04-08 1986-04-08 Ljuddempare

Country Status (3)

Country Link
DK (1) DK165564C (no)
NO (1) NO173466C (no)
SE (1) SE456179B (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3044429B1 (en) * 2013-09-12 2021-06-30 Raytheon Technologies Corporation Method of manufacturing ice panel segments

Also Published As

Publication number Publication date
NO173466B (no) 1993-09-06
DK165564B (da) 1992-12-14
NO870805D0 (no) 1987-02-26
DK176587A (da) 1987-10-09
NO173466C (no) 1993-12-15
SE8601571D0 (sv) 1986-04-08
DK176587D0 (da) 1987-04-07
NO870805L (no) 1987-10-09
DK165564C (da) 1993-04-26
SE8601571L (sv) 1987-10-09

Similar Documents

Publication Publication Date Title
US9574791B2 (en) Acoustic dispersing airflow passage
US4236597A (en) Sound-absorbing device, especially for damping of noises expanding in air ducts
DE60122779T2 (de) Fluiddruckbeaufschlagungsvorrichtung
DE102010006143B4 (de) Schalldämpfer für ein Hilfstriebwerk eines Flugzeugs
EP1862663B1 (de) Integrierter Luftmassenmesser und Breitbanddämpfer
US5663536A (en) Sound attenuation assembly for air-cooling apparatus
SE506188C2 (sv) Ljudabsorberande element samt förfarande för framställning av detta element samt användning av elementet
DE102015214709A1 (de) Strömungskanal und Belüftungs-, Heizungs- oder Klimaanlage
KR20170052629A (ko) 음향 장치
EP0791135B1 (de) Schalldämpfer
DE19956172C5 (de) Doppelkammerdämpfer
DE102009014734A1 (de) Lufteinlassgehäuse mit einer perforierten Wand und einer angeschlossenen Schalldämpfungskammer
US10260772B2 (en) Duct mounted sound attenuating baffle with an internally suspended mass layer
GB2122256A (en) Silencing in ventilation ducts
DE2701830A1 (de) Schalldaempfer fuer luft- oder gasstroemungen
US2308886A (en) Acoustic wave filter
SE456179B (sv) Ljuddempare
DE102020100162B4 (de) Vorrichtung zur Absenkung von Luft- und Körperschall
EP0558472B1 (en) Improvements in attenuators
KR20190003741A (ko) 덕트 또는 챔버를 위한 음향 감쇠 장치
EP0563706B1 (de) Schalldämpfender Resonator für Rohrleitungen
DE102005004079B4 (de) Schalldämpfungseinrichtung für ein Heizgerät
AU2018206578B2 (en) Silencer
AT502119B1 (de) Schwingungs- und schalldämpfer
EP0754901B1 (en) Noise attenuators, their manufacture, and their use for noise attenuation in ducts

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8601571-6

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8601571-6

Format of ref document f/p: F