DE60230616D1 - Device for noise reduction of a fan unit - Google Patents

Device for noise reduction of a fan unit

Info

Publication number
DE60230616D1
DE60230616D1 DE60230616T DE60230616T DE60230616D1 DE 60230616 D1 DE60230616 D1 DE 60230616D1 DE 60230616 T DE60230616 T DE 60230616T DE 60230616 T DE60230616 T DE 60230616T DE 60230616 D1 DE60230616 D1 DE 60230616D1
Authority
DE
Germany
Prior art keywords
fan unit
noise reduction
air flow
guides
unit
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60230616T
Other languages
German (de)
Inventor
Zong Tang Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyodo-Allied Industries Ltd
Original Assignee
Kyodo-Allied Industries Ltd
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 Kyodo-Allied Industries Ltd filed Critical Kyodo-Allied Industries Ltd
Application granted granted Critical
Publication of DE60230616D1 publication Critical patent/DE60230616D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Cookers (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

The unit has at least two shaped guides (24) attached to a base plate (14), at the fan unit interior. The guides form two air flow channels each formed with a neck portion that creates a unidirectional air flow through the air flow channel.
DE60230616T 2002-08-23 2002-08-23 Device for noise reduction of a fan unit Expired - Lifetime DE60230616D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02255902A EP1398575B1 (en) 2002-08-23 2002-08-23 Apparatus for minimising noise from a fan unit

Publications (1)

Publication Number Publication Date
DE60230616D1 true DE60230616D1 (en) 2009-02-12

Family

ID=31725493

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60230616T Expired - Lifetime DE60230616D1 (en) 2002-08-23 2002-08-23 Device for noise reduction of a fan unit

Country Status (3)

Country Link
EP (1) EP1398575B1 (en)
AT (1) ATE419496T1 (en)
DE (1) DE60230616D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2951247B1 (en) * 2009-10-14 2012-01-27 France Air HIGH PERFORMANCE VENTILATION HOUSING
KR101573451B1 (en) 2015-09-09 2015-12-01 지용섭 Fan filter unit having laminar flow mixing chamber
KR101573772B1 (en) 2015-09-09 2015-12-02 지용섭 Fan filter unit having antibacterial function and clean air distribution system using the same
CN112061365B (en) * 2020-08-10 2022-04-22 上海外高桥造船有限公司 Indoor noise reduction device for ocean passenger ship
DE102023105981A1 (en) * 2023-03-10 2024-09-12 Rosenberg Ventilatoren Gmbh Housing for a fan device and fan device with such a housing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438710C2 (en) * 1984-10-23 1986-11-27 Wilhelm Gebhardt Gmbh, 7112 Waldenburg Roof fan
US5803721A (en) * 1996-10-29 1998-09-08 Enviroflex, Inc. Clean room fan unit
EP1019659B1 (en) * 1997-09-03 2004-01-21 Kyodo-Allied Industries Limited A method and apparatus for minimising noise from fan filter unit
CN1150379C (en) * 1999-09-30 2004-05-19 协同工业有限公司 Devices for noise reduction in fan installations

Also Published As

Publication number Publication date
EP1398575B1 (en) 2008-12-31
EP1398575A1 (en) 2004-03-17
ATE419496T1 (en) 2009-01-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition