[go: up one dir, main page]

FI881922A - LJUDDAEMPARE FOER REDUCERING AV KANALBURET LUFTLJUD. - Google Patents

LJUDDAEMPARE FOER REDUCERING AV KANALBURET LUFTLJUD.

Info

Publication number
FI881922A
FI881922A FI881922A FI881922A FI881922A FI 881922 A FI881922 A FI 881922A FI 881922 A FI881922 A FI 881922A FI 881922 A FI881922 A FI 881922A FI 881922 A FI881922 A FI 881922A
Authority
FI
Finland
Prior art keywords
luftljud
ljuddaempare
kanalburet
reducering
foer
Prior art date
Application number
FI881922A
Other languages
Finnish (fi)
Other versions
FI881922A0 (en
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 FI881922A0 publication Critical patent/FI881922A0/en
Publication of FI881922A publication Critical patent/FI881922A/en

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)
  • Pipe Accessories (AREA)
  • Duct Arrangements (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
FI881922A 1984-12-11 1988-04-22 LJUDDAEMPARE FOER REDUCERING AV KANALBURET LUFTLJUD. FI881922A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8406282A SE447413B (en) 1984-12-11 1984-12-11 Noise muffler for reducing conduit borne air noise
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
FI881922A0 FI881922A0 (en) 1988-04-22
FI881922A true FI881922A (en) 1988-04-22

Family

ID=26658834

Family Applications (1)

Application Number Title Priority Date Filing Date
FI881922A FI881922A (en) 1984-12-11 1988-04-22 LJUDDAEMPARE FOER REDUCERING AV KANALBURET LUFTLJUD.

Country Status (5)

Country Link
EP (1) EP0261105A1 (en)
FI (1) FI881922A (en)
NO (1) NO880116L (en)
SE (1) SE447413B (en)
WO (1) WO1987003948A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI91995C (en) * 1990-11-20 1994-09-12 Valmet Paper Machinery Inc Absorptive silencer, especially for air ducts in paper mills
EP0754901B1 (en) * 1995-07-21 2000-02-23 Robert Alan Gladden Noise attenuators, their manufacture, and their use for noise attenuation in ducts
FI124494B (en) 2010-05-12 2014-09-30 Jeven Oy Damping section for ventilation duct silencer and ventilation duct silencer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2620169A1 (en) * 1976-05-07 1977-11-10 Gruenzweig Hartmann Glasfaser Sound damper for ventilation pipes - has parallel rigid pipe sections made from mineral fibres with plastic-rubber dispersion forming abrasive resistant coat

Also Published As

Publication number Publication date
NO880116D0 (en) 1988-01-12
SE8406282L (en) 1986-06-12
SE8406282D0 (en) 1984-12-11
FI881922A0 (en) 1988-04-22
WO1987003948A1 (en) 1987-07-02
EP0261105A1 (en) 1988-03-30
NO880116L (en) 1988-01-12
SE447413B (en) 1986-11-10

Similar Documents

Publication Publication Date Title
FI83882B (en) FOERFARANDE FOER FRAMSTAELLNING AV BLODLEVRING HAEMMANDE PROTEINER.
FI80896B (en) FOERFARANDE FOER FRAMSTAELLNING AV FENOLSKUM.
FI840174A (en) FOERFARANDE FOER OPTISK MAETNING AV LAONGSTRAECKTA STYCKEN.
FI841895A0 (en) FOERFARANDE FOER FRAMSTAELLNING AV FLERSKIKTSKARTONG.
FI841905A0 (en) FOERFARANDE FOER FRAMSTAELLNING AV KONSTMARMORALSTER.
FI840758A (en) ANLAEGGNING FOER UTNYTTJANDE AV VAERMEENERGI ALSTRAD AV EN BASTUUGN.
FI842155A (en) ANORDINATION FOER SKAERNING AV SKIVOR.
FI841768A0 (en) ANORDNING FOER RULLNING AV TRAEDSTAMMAR.
FI841518A0 (en) FOERFARANDE FOER FRAMSTAELLNING AV STABILA INJEKSPSPARPARAT AV INDOLYLALIFATISKA SYRADERIVAT.
FI80875B (en) FRAMSTAELLNING AV ISOBUTYRYLFLUORID.
FI841133A0 (en) ANORDNING FOER SPRIDNING AV GOEDSEL.
FI841802A (en) ANORDNING FOER FOERFLYTTNING AV SKIVPAKET.
FI841139A (en) ANORDING FOER INLEDNING AV LEDNINGAR.
FI841276A0 (en) ANORDNING FOER FOERFLYTTNING AV BETONGROER OCH -RINGAR.
FI841329A0 (en) ANORDINATION FOER SKAERPNING AV KNIVAR.
FI841339A0 (en) FOERFARANDE FOER STOEDANDE AV GAMLA KONSTRUKTIONER.
FI841365A0 (en) CELLENHET FOER SKOLNING AV PLANTOR.
FI841366A (en) FOERFARANDE FOER KOKNING AV FOERHYDROLYSSULFATCELLULOSA.
FI841371A0 (en) FOERFARANDE FOER FRAMSTAELLNING AV INTEGRERADE KRETSAR AV MOS-TYP.
FI841478A (en) FOERFARANDE FOER FRAMSTAELLNING AV EN KULFORMAD KOPPLINGSDEL FOER VAETSKEAVSPAERRNINGSORGAN.
FI841007A (en) FOERFARANDE FOER FRAESNING AV SLAGGSKIKT.
FI841565A0 (en) FOERFARANDE FOER REGLERING AV STICKKRAFT AV BILDAECKSDUBBAR.
FI841574A0 (en) BINDPLAOT SPECIELLT FOER BYGGANDE AV TRAESTAVAR.
FI841634A0 (en) FOERFARANDE FOER FRAMSTAELLNING AV TONADE PAELSVAROR.
FI840654A (en) FJAEDERANORDNING FOER HINDRANDE AV FOERSLAPPNING AV BINDNING.

Legal Events

Date Code Title Description
FA Application withdrawn [patent]

Owner name: VIAK AB