NO880116D0 - DEVICE FOR REDUCTION OF CHANNELABLE AIR SOUND. - Google Patents

DEVICE FOR REDUCTION OF CHANNELABLE AIR SOUND.

Info

Publication number
NO880116D0
NO880116D0 NO1988880116A NO880116A NO880116D0 NO 880116 D0 NO880116 D0 NO 880116D0 NO 1988880116 A NO1988880116 A NO 1988880116A NO 880116 A NO880116 A NO 880116A NO 880116 D0 NO880116 D0 NO 880116D0
Authority
NO
Norway
Prior art keywords
channelable
reduction
air sound
sound
air
Prior art date
Application number
NO1988880116A
Other languages
Norwegian (no)
Other versions
NO880116L (en
Inventor
Nils-Aake 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 NO880116L publication Critical patent/NO880116L/en
Publication of NO880116D0 publication Critical patent/NO880116D0/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
NO1988880116A 1984-12-11 1988-01-12 DEVICE FOR REDUCTION OF CHANNELABLE AIR SOUND. NO880116D0 (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
NO880116L NO880116L (en) 1988-01-12
NO880116D0 true NO880116D0 (en) 1988-01-12

Family

ID=26658834

Family Applications (1)

Application Number Title Priority Date Filing Date
NO1988880116A NO880116D0 (en) 1984-12-11 1988-01-12 DEVICE FOR REDUCTION OF CHANNELABLE AIR SOUND.

Country Status (5)

Country Link
EP (1) EP0261105A1 (en)
FI (1) FI881922A (en)
NO (1) NO880116D0 (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
DE69606742T2 (en) * 1995-07-21 2000-10-05 Robert Alan Gladden Silencers, their manufacture and their use for silencing in pipes
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
NO880116L (en) 1988-01-12
SE8406282D0 (en) 1984-12-11
FI881922A0 (en) 1988-04-22
EP0261105A1 (en) 1988-03-30
SE8406282L (en) 1986-06-12
WO1987003948A1 (en) 1987-07-02
FI881922A (en) 1988-04-22
SE447413B (en) 1986-11-10

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