FI881922A0 - Ljuddaempare foer reducering av kanalburet luftljud. - Google Patents

Ljuddaempare foer reducering av kanalburet luftljud.

Info

Publication number
FI881922A0
FI881922A0 FI881922A FI881922A FI881922A0 FI 881922 A0 FI881922 A0 FI 881922A0 FI 881922 A FI881922 A FI 881922A FI 881922 A FI881922 A FI 881922A FI 881922 A0 FI881922 A0 FI 881922A0
Authority
FI
Finland
Prior art keywords
luftljud
ljuddaempare
kanalburet
reducering
foer
Prior art date
Application number
FI881922A
Other languages
English (en)
Other versions
FI881922A (fi
Inventor
Nils-Aoke Nilsson
Original Assignee
Viak 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 Viak Ab filed Critical Viak Ab
Publication of FI881922A publication Critical patent/FI881922A/fi
Publication of FI881922A0 publication Critical patent/FI881922A0/fi

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers
    • F16L55/0336—Noise absorbers by means of sound-absorbing materials

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Pipe Accessories (AREA)
  • Duct Arrangements (AREA)
  • Exhaust Silencers (AREA)
FI881922A 1984-12-11 1988-04-22 Ljuddaempare foer reducering av kanalburet luftljud. FI881922A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8406282A SE447413B (sv) 1984-12-11 1984-12-11 Ljuddempare for reducering av kanalburet luftljud
PCT/SE1985/000540 WO1987003948A1 (en) 1984-12-11 1985-12-20 Device for reducing duct-carried air-borne sound

Publications (2)

Publication Number Publication Date
FI881922A FI881922A (fi) 1988-04-22
FI881922A0 true FI881922A0 (fi) 1988-04-22

Family

ID=26658834

Family Applications (1)

Application Number Title Priority Date Filing Date
FI881922A FI881922A0 (fi) 1984-12-11 1988-04-22 Ljuddaempare foer reducering av kanalburet luftljud.

Country Status (5)

Country Link
EP (1) EP0261105A1 (fi)
FI (1) FI881922A0 (fi)
NO (1) NO880116D0 (fi)
SE (1) SE447413B (fi)
WO (1) WO1987003948A1 (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI91995C (fi) * 1990-11-20 1994-09-12 Valmet Paper Machinery Inc Absorptiivinen äänenvaimennin, etenkin paperitehtaiden ilmakanaviin
DE69606742T2 (de) * 1995-07-21 2000-10-05 Robert Alan Gladden Schalldämpfer, ihre Herstellung und ihre Verwendung zur Schalldämpfung in Leitungen
FI124494B (fi) 2010-05-12 2014-09-30 Jeven Oy Vaimennusosa ilmanvaihtokanavan äänenvaimenninta varten ja ilmanvaihtokanavan äänenvaimennin

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2620169A1 (de) * 1976-05-07 1977-11-10 Gruenzweig Hartmann Glasfaser Schalldaempfer fuer rohrleitungen

Also Published As

Publication number Publication date
NO880116L (no) 1988-01-12
SE447413B (sv) 1986-11-10
EP0261105A1 (en) 1988-03-30
NO880116D0 (no) 1988-01-12
FI881922A (fi) 1988-04-22
SE8406282L (sv) 1986-06-12
WO1987003948A1 (en) 1987-07-02
SE8406282D0 (sv) 1984-12-11

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Legal Events

Date Code Title Description
FA Application withdrawn [patent]

Owner name: VIAK AB