SE0202502L - Ventilation fan and ways to muffle such ventilation fan - Google Patents

Ventilation fan and ways to muffle such ventilation fan

Info

Publication number
SE0202502L
SE0202502L SE0202502A SE0202502A SE0202502L SE 0202502 L SE0202502 L SE 0202502L SE 0202502 A SE0202502 A SE 0202502A SE 0202502 A SE0202502 A SE 0202502A SE 0202502 L SE0202502 L SE 0202502L
Authority
SE
Sweden
Prior art keywords
ventilation fan
muffle
ways
ventilation
fan
Prior art date
Application number
SE0202502A
Other languages
Swedish (sv)
Other versions
SE525822C2 (en
SE0202502D0 (en
Inventor
Hans Oestberg
Original Assignee
C A Oestberg 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 C A Oestberg Ab filed Critical C A Oestberg Ab
Priority to SE0202502A priority Critical patent/SE525822C2/en
Publication of SE0202502D0 publication Critical patent/SE0202502D0/en
Priority to CNB031255191A priority patent/CN1272588C/en
Publication of SE0202502L publication Critical patent/SE0202502L/en
Priority to HK04107679A priority patent/HK1064731A1/en
Publication of SE525822C2 publication Critical patent/SE525822C2/en

Links

Classifications

    • 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
    • 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
    • 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)
  • Motor Or Generator Cooling System (AREA)
SE0202502A 2002-08-23 2002-08-23 Ventilation fan, has cover plate with sound insulation secured to mounting plate for fan wheel SE525822C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE0202502A SE525822C2 (en) 2002-08-23 2002-08-23 Ventilation fan, has cover plate with sound insulation secured to mounting plate for fan wheel
CNB031255191A CN1272588C (en) 2002-08-23 2003-08-22 Pipeline fan and noise reduction method
HK04107679A HK1064731A1 (en) 2002-08-23 2004-10-07 A duct fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0202502A SE525822C2 (en) 2002-08-23 2002-08-23 Ventilation fan, has cover plate with sound insulation secured to mounting plate for fan wheel

Publications (3)

Publication Number Publication Date
SE0202502D0 SE0202502D0 (en) 2002-08-23
SE0202502L true SE0202502L (en) 2004-02-24
SE525822C2 SE525822C2 (en) 2005-05-03

Family

ID=20288784

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0202502A SE525822C2 (en) 2002-08-23 2002-08-23 Ventilation fan, has cover plate with sound insulation secured to mounting plate for fan wheel

Country Status (3)

Country Link
CN (1) CN1272588C (en)
HK (1) HK1064731A1 (en)
SE (1) SE525822C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2006610A1 (en) * 2007-05-31 2008-12-24 CO.ME.FRI. S.p.A. Unit for treating air with controlled flow

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104359204B (en) * 2014-10-29 2018-02-09 珠海格力电器股份有限公司 Centrifugal air duct electric motor mounting structure and air conditioner
CN104456764B (en) * 2014-10-29 2017-11-14 珠海格力电器股份有限公司 Fan assembly and there is its air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2006610A1 (en) * 2007-05-31 2008-12-24 CO.ME.FRI. S.p.A. Unit for treating air with controlled flow

Also Published As

Publication number Publication date
HK1064731A1 (en) 2005-02-04
CN1272588C (en) 2006-08-30
SE525822C2 (en) 2005-05-03
SE0202502D0 (en) 2002-08-23
CN1495392A (en) 2004-05-12

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Legal Events

Date Code Title Description
NUG Patent has lapsed