WO2003014631B1 - Sound damper for exhaust air from a fan device - Google Patents
Sound damper for exhaust air from a fan deviceInfo
- Publication number
- WO2003014631B1 WO2003014631B1 PCT/SE2002/001173 SE0201173W WO03014631B1 WO 2003014631 B1 WO2003014631 B1 WO 2003014631B1 SE 0201173 W SE0201173 W SE 0201173W WO 03014631 B1 WO03014631 B1 WO 03014631B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sound
- air
- outlet duct
- wall
- sound damper
- Prior art date
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
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0102665-7 | 2001-08-07 | ||
SE0102665A SE522922C2 (en) | 2001-08-07 | 2001-08-07 | Silencer for evacuation air at fan unit |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003014631A1 WO2003014631A1 (en) | 2003-02-20 |
WO2003014631B1 true WO2003014631B1 (en) | 2004-04-08 |
Family
ID=20284983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE2002/001173 WO2003014631A1 (en) | 2001-08-07 | 2002-06-18 | Sound damper for exhaust air from a fan device |
Country Status (2)
Country | Link |
---|---|
SE (1) | SE522922C2 (en) |
WO (1) | WO2003014631A1 (en) |
Families Citing this family (3)
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)
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 |
-
2001
- 2001-08-07 SE SE0102665A patent/SE522922C2/en not_active IP Right Cessation
-
2002
- 2002-06-18 WO PCT/SE2002/001173 patent/WO2003014631A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE0102665D0 (en) | 2001-08-07 |
SE0102665L (en) | 2003-02-08 |
SE522922C2 (en) | 2004-03-16 |
WO2003014631A1 (en) | 2003-02-20 |
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