HK1034302A1 - Apparatus for minimising noise in a fan unit. - Google Patents

Apparatus for minimising noise in a fan unit.

Info

Publication number
HK1034302A1
HK1034302A1 HK01104994A HK01104994A HK1034302A1 HK 1034302 A1 HK1034302 A1 HK 1034302A1 HK 01104994 A HK01104994 A HK 01104994A HK 01104994 A HK01104994 A HK 01104994A HK 1034302 A1 HK1034302 A1 HK 1034302A1
Authority
HK
Hong Kong
Prior art keywords
fan unit
minimising noise
minimising
noise
fan
Prior art date
Application number
HK01104994A
Inventor
Zong Tang Lee
Original Assignee
Kyodo Allied Ind 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
Priority claimed from GB9923163A external-priority patent/GB2354802B/en
Application filed by Kyodo Allied Ind Ltd filed Critical Kyodo Allied Ind Ltd
Publication of HK1034302A1 publication Critical patent/HK1034302A1/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
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • 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
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/082—Grilles, registers or guards
    • F24F2013/088—Air-flow straightener

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
HK01104994A 1999-09-30 2001-08-01 Apparatus for minimising noise in a fan unit. HK1034302A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9923163A GB2354802B (en) 1997-09-03 1999-09-30 Apparatus for minimising noise in a fan unit

Publications (1)

Publication Number Publication Date
HK1034302A1 true HK1034302A1 (en) 2001-10-19

Family

ID=29764762

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01104994A HK1034302A1 (en) 1999-09-30 2001-08-01 Apparatus for minimising noise in a fan unit.

Country Status (1)

Country Link
HK (1) HK1034302A1 (en)

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Legal Events

Date Code Title Description
PF Patent in force