AT367873B - CENTRIFUGAL FAN - Google Patents

CENTRIFUGAL FAN

Info

Publication number
AT367873B
AT367873B AT417077A AT417077A AT367873B AT 367873 B AT367873 B AT 367873B AT 417077 A AT417077 A AT 417077A AT 417077 A AT417077 A AT 417077A AT 367873 B AT367873 B AT 367873B
Authority
AT
Austria
Prior art keywords
centrifugal fan
centrifugal
fan
Prior art date
Application number
AT417077A
Other languages
German (de)
Other versions
ATA417077A (en
Inventor
Tibor Dipl Ing Szentmartony
Sandor Kiss
Zsolt Dipl Ing Nagy
Original Assignee
Fuetoeber Epueletgep Termekek
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 Fuetoeber Epueletgep Termekek filed Critical Fuetoeber Epueletgep Termekek
Publication of ATA417077A publication Critical patent/ATA417077A/en
Application granted granted Critical
Publication of AT367873B publication Critical patent/AT367873B/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
    • F04D29/66—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
AT417077A 1976-10-21 1977-06-14 CENTRIFUGAL FAN AT367873B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU76FU345A HU173594B (en) 1976-10-21 1976-10-21 Ventilator scroll case with silencing insert of non-uniform thickness

Publications (2)

Publication Number Publication Date
ATA417077A ATA417077A (en) 1981-12-15
AT367873B true AT367873B (en) 1982-08-10

Family

ID=10996357

Family Applications (1)

Application Number Title Priority Date Filing Date
AT417077A AT367873B (en) 1976-10-21 1977-06-14 CENTRIFUGAL FAN

Country Status (8)

Country Link
AT (1) AT367873B (en)
CH (1) CH632062A5 (en)
CS (1) CS213325B2 (en)
DE (1) DE2736047A1 (en)
FR (1) FR2368624A1 (en)
GB (1) GB1563439A (en)
HU (1) HU173594B (en)
IT (1) IT1085194B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3151386A1 (en) * 1981-12-24 1983-07-14 FSL Fenster-System-Lüftung GmbH, 6800 Mannheim FAN, ESPECIALLY BUILT-IN BLOWER
GB2330624A (en) * 1997-10-23 1999-04-28 Wang Samw Hong Jen Fan device with noise reduction

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB926088A (en) * 1960-11-08 1963-05-15 Brightside Heating & Engineeri Improvements relating to centrifugal fans
DE1403496A1 (en) * 1961-07-01 1969-01-30 Daimler Benz Ag Cooling or hot air blower
US3312389A (en) * 1964-05-04 1967-04-04 Fukuo Saeki Air blower device with silencer
GB1107726A (en) * 1964-07-07 1968-03-27 Sound Attenuators Ltd Improved centrifugal fan or blower and a ventilator embodying the same
CH434985A (en) * 1966-02-01 1967-04-30 Abrisari Ag Air hoisting machine, in particular for ventilation of shelters
CH439990A (en) * 1966-03-11 1967-07-15 Abrisaria Ag Air hoisting machine, in particular for ventilation of shelters
FR2193182A1 (en) * 1972-07-24 1974-02-15 Grandvuinet Ets
US4174020A (en) * 1975-07-01 1979-11-13 Challis Louis A Acoustic treatment for fans

Also Published As

Publication number Publication date
HU173594B (en) 1979-06-28
GB1563439A (en) 1980-03-26
CH632062A5 (en) 1982-09-15
FR2368624A1 (en) 1978-05-19
FR2368624B1 (en) 1984-09-14
ATA417077A (en) 1981-12-15
DE2736047A1 (en) 1978-05-03
IT1085194B (en) 1985-05-28
CS213325B2 (en) 1982-04-09

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