SE0102665L - Silencer for evacuation air from a fan unit - Google Patents

Silencer for evacuation air from a fan unit

Info

Publication number
SE0102665L
SE0102665L SE0102665A SE0102665A SE0102665L SE 0102665 L SE0102665 L SE 0102665L SE 0102665 A SE0102665 A SE 0102665A SE 0102665 A SE0102665 A SE 0102665A SE 0102665 L SE0102665 L SE 0102665L
Authority
SE
Sweden
Prior art keywords
silencer
fan unit
evacuation air
sound
air
Prior art date
Application number
SE0102665A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE0102665D0 (en
SE522922C2 (en
Inventor
Leif Lundberg
Original Assignee
Keyvent 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 Keyvent Ab filed Critical Keyvent Ab
Priority to SE0102665A priority Critical patent/SE522922C2/en
Publication of SE0102665D0 publication Critical patent/SE0102665D0/en
Priority to PCT/SE2002/001173 priority patent/WO2003014631A1/en
Publication of SE0102665L publication Critical patent/SE0102665L/en
Publication of SE522922C2 publication Critical patent/SE522922C2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/664—Sound attenuation by means of sound absorbing material
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Duct Arrangements (AREA)
  • Building Environments (AREA)

Abstract

Sound damper (10) for extraction air from a fan assembly (20), including a sound-damping layer at an outlet duct (12) for the xtracted air. The outlet duct (12) is perforated (14) and enclosed at a distance by an outer wall (28) that includes the sound-damping layer (36).
SE0102665A 2001-08-07 2001-08-07 Silencer for evacuation air at fan unit SE522922C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE0102665A SE522922C2 (en) 2001-08-07 2001-08-07 Silencer for evacuation air at fan unit
PCT/SE2002/001173 WO2003014631A1 (en) 2001-08-07 2002-06-18 Sound damper for exhaust air from a fan device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0102665A SE522922C2 (en) 2001-08-07 2001-08-07 Silencer for evacuation air at fan unit

Publications (3)

Publication Number Publication Date
SE0102665D0 SE0102665D0 (en) 2001-08-07
SE0102665L true SE0102665L (en) 2003-02-08
SE522922C2 SE522922C2 (en) 2004-03-16

Family

ID=20284983

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0102665A SE522922C2 (en) 2001-08-07 2001-08-07 Silencer for evacuation air at fan unit

Country Status (2)

Country Link
SE (1) SE522922C2 (en)
WO (1) WO2003014631A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9039352B2 (en) 2012-11-05 2015-05-26 General Electric Company Sound attenuating chimney element for a turbomachine system
US9610045B2 (en) 2015-07-31 2017-04-04 Medtronic, Inc. Detection of valid signals versus artifacts in a multichannel mapping system
CN206674171U (en) * 2017-04-13 2017-11-24 深圳麦博电器有限公司 One kind vibration audio amplifier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL262265A (en) * 1960-03-11 1900-01-01
US3511336A (en) * 1969-06-10 1970-05-12 Rink Corp Sound attenuator for air flow
CH529930A (en) * 1971-03-04 1972-10-31 Turbon Ventilatoren Und App Ba Fan, in particular axial fan
HU182491B (en) * 1977-04-08 1984-01-30 Fuetoeber Epueletgep Termekek Sound-damping deviceparticularly for reducing noise spreading in air duct
US5663535A (en) * 1995-08-28 1997-09-02 Venturedyne, Ltd. Sound attenuator for HVAC systems

Also Published As

Publication number Publication date
SE0102665D0 (en) 2001-08-07
WO2003014631A1 (en) 2003-02-20
SE522922C2 (en) 2004-03-16
WO2003014631B1 (en) 2004-04-08

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Legal Events

Date Code Title Description
NUG Patent has lapsed