NO831294L - SOUND MUTED DEVICE, PRIOR TO AIR DEVICE - Google Patents

SOUND MUTED DEVICE, PRIOR TO AIR DEVICE

Info

Publication number
NO831294L
NO831294L NO831294A NO831294A NO831294L NO 831294 L NO831294 L NO 831294L NO 831294 A NO831294 A NO 831294A NO 831294 A NO831294 A NO 831294A NO 831294 L NO831294 L NO 831294L
Authority
NO
Norway
Prior art keywords
prior
air
sound muted
sound
muted
Prior art date
Application number
NO831294A
Other languages
Norwegian (no)
Other versions
NO160542B (en
NO160542C (en
Inventor
Stig Ingemansson
Klas Lidberg
Original Assignee
Ingemanssons Ingenjorsbyra 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 Ingemanssons Ingenjorsbyra Ab filed Critical Ingemanssons Ingenjorsbyra Ab
Publication of NO831294L publication Critical patent/NO831294L/en
Publication of NO160542B publication Critical patent/NO160542B/en
Publication of NO160542C publication Critical patent/NO160542C/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Duct Arrangements (AREA)
  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Compressor (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
NO831294A 1982-04-13 1983-04-12 SOUND MUTED DEVICE, PRIOR TO AIR DEVICE. NO160542C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8202291A SE451627B (en) 1982-04-13 1982-04-13 Sound-damping ventilator

Publications (3)

Publication Number Publication Date
NO831294L true NO831294L (en) 1983-10-14
NO160542B NO160542B (en) 1989-01-16
NO160542C NO160542C (en) 1989-04-26

Family

ID=20346514

Family Applications (1)

Application Number Title Priority Date Filing Date
NO831294A NO160542C (en) 1982-04-13 1983-04-12 SOUND MUTED DEVICE, PRIOR TO AIR DEVICE.

Country Status (3)

Country Link
FI (1) FI77101C (en)
NO (1) NO160542C (en)
SE (1) SE451627B (en)

Also Published As

Publication number Publication date
SE451627B (en) 1987-10-19
FI831094L (en) 1983-10-14
FI77101C (en) 1989-01-10
SE8202291L (en) 1983-10-14
NO160542B (en) 1989-01-16
FI77101B (en) 1988-09-30
NO160542C (en) 1989-04-26
FI831094A0 (en) 1983-03-30

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