SE422609B - Anordning och forfarande vid ljuddempning av ventilationskanaler i bjelklagselement - Google Patents

Anordning och forfarande vid ljuddempning av ventilationskanaler i bjelklagselement

Info

Publication number
SE422609B
SE422609B SE7908293A SE7908293A SE422609B SE 422609 B SE422609 B SE 422609B SE 7908293 A SE7908293 A SE 7908293A SE 7908293 A SE7908293 A SE 7908293A SE 422609 B SE422609 B SE 422609B
Authority
SE
Sweden
Prior art keywords
connection
channels
ducts
duct
connections
Prior art date
Application number
SE7908293A
Other languages
English (en)
Swedish (sv)
Other versions
SE7908293L (sv
Inventor
L-O Andersson
Original Assignee
Straengbetong 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 Straengbetong Ab filed Critical Straengbetong Ab
Priority to SE7908293A priority Critical patent/SE422609B/sv
Priority to PCT/SE1980/000234 priority patent/WO1981001026A1/fr
Priority to DE8080901859T priority patent/DE3066852D1/de
Priority to EP80901859A priority patent/EP0044304B1/fr
Priority to BE0/204376A priority patent/BE888283A/fr
Publication of SE7908293L publication Critical patent/SE7908293L/
Priority to FI811637A priority patent/FI68697C/fi
Priority to DK235981A priority patent/DK235981A/da
Priority to NO811847A priority patent/NO152947C/no
Publication of SE422609B publication Critical patent/SE422609B/sv

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Duct Arrangements (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Pipe Accessories (AREA)
SE7908293A 1979-10-05 1979-10-05 Anordning och forfarande vid ljuddempning av ventilationskanaler i bjelklagselement SE422609B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE7908293A SE422609B (sv) 1979-10-05 1979-10-05 Anordning och forfarande vid ljuddempning av ventilationskanaler i bjelklagselement
PCT/SE1980/000234 WO1981001026A1 (fr) 1979-10-05 1980-10-01 Dispositif et procede d'amortissement sonore de conduits de ventilation dans des elements de structure
DE8080901859T DE3066852D1 (de) 1979-10-05 1980-10-01 Sound damping in ventilation conduits
EP80901859A EP0044304B1 (fr) 1979-10-05 1980-10-01 Amortissement sonore dans conduits de ventilation
BE0/204376A BE888283A (fr) 1979-10-05 1981-04-03 Systeme et procede d'insonorisation de conduits de ventilation dans des elements de charpente,
FI811637A FI68697C (fi) 1979-10-05 1981-05-27 Anordning och foerfarande vid ljuddaempning av ventilationskanaler i bjaelklagselement
DK235981A DK235981A (da) 1979-10-05 1981-05-29 Anordning og fremgangsmaade ved lyddaempning af ventilationskanaler i bjaelkelagselementer
NO811847A NO152947C (no) 1979-10-05 1981-06-01 Anordning og fremgangsmaate ved lyddempning av parallelt-liggende ventilasjonskanaler i bjelkelagselementer.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7908293A SE422609B (sv) 1979-10-05 1979-10-05 Anordning och forfarande vid ljuddempning av ventilationskanaler i bjelklagselement

Publications (2)

Publication Number Publication Date
SE7908293L SE7908293L (sv) 1981-04-06
SE422609B true SE422609B (sv) 1982-03-15

Family

ID=20338990

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7908293A SE422609B (sv) 1979-10-05 1979-10-05 Anordning och forfarande vid ljuddempning av ventilationskanaler i bjelklagselement

Country Status (8)

Country Link
EP (1) EP0044304B1 (fr)
BE (1) BE888283A (fr)
DE (1) DE3066852D1 (fr)
DK (1) DK235981A (fr)
FI (1) FI68697C (fr)
NO (1) NO152947C (fr)
SE (1) SE422609B (fr)
WO (1) WO1981001026A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2033425A1 (fr) * 1990-01-09 1991-07-10 Shlomo Avni Piece a l'epreuve de l'espionnage electronique et dispositifs d'amortissement du son dont elle est equipee

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US640176A (en) * 1899-02-23 1900-01-02 Heinrich Lehmann Process of producing hollow walls and roofs of cast mortar.
DE800331C (de) * 1949-03-26 1950-10-30 Buderus Eisenwerk Verfahren zur Verbesserung der waermedaemmenden Eigenschaft von Betonfertigbauteilen, wie Platten, Steinen u. dgl., mit durch-gehenden Hohlraeumen
FR1227466A (fr) * 1959-03-13 1960-08-22 éléments évidés en béton armé et leur procédé d'assemblage
SE349842B (fr) * 1970-12-21 1972-10-09 Straengbetong Ab

Also Published As

Publication number Publication date
NO152947B (no) 1985-09-09
FI811637L (fi) 1981-05-27
DK235981A (da) 1981-05-29
FI68697B (fi) 1985-06-28
BE888283A (fr) 1981-07-31
EP0044304A1 (fr) 1982-01-27
SE7908293L (sv) 1981-04-06
NO152947C (no) 1985-12-18
WO1981001026A1 (fr) 1981-04-16
EP0044304B1 (fr) 1984-03-07
FI68697C (fi) 1985-10-10
DE3066852D1 (de) 1984-04-12
NO811847L (no) 1981-06-01

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