CS213325B2 - Cabinet of centrifugal ventilator with the insertion for the sound absorption - Google Patents

Cabinet of centrifugal ventilator with the insertion for the sound absorption Download PDF

Info

Publication number
CS213325B2
CS213325B2 CS474177A CS474177A CS213325B2 CS 213325 B2 CS213325 B2 CS 213325B2 CS 474177 A CS474177 A CS 474177A CS 474177 A CS474177 A CS 474177A CS 213325 B2 CS213325 B2 CS 213325B2
Authority
CS
Czechoslovakia
Prior art keywords
centrifugal fan
insert
fan housing
sound
walls
Prior art date
Application number
CS474177A
Other languages
Czech (cs)
English (en)
Inventor
Tibor Szentmartony
Sandor Kiss
Zsolt 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 CS213325B2 publication Critical patent/CS213325B2/cs

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)
CS474177A 1976-10-21 1977-07-18 Cabinet of centrifugal ventilator with the insertion for the sound absorption CS213325B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU76FU345A HU173594B (hu) 1976-10-21 1976-10-21 Spiral'nyj korpus ventiljatora s shumoglushitelem peremennoj tol'shiny

Publications (1)

Publication Number Publication Date
CS213325B2 true CS213325B2 (en) 1982-04-09

Family

ID=10996357

Family Applications (1)

Application Number Title Priority Date Filing Date
CS474177A CS213325B2 (en) 1976-10-21 1977-07-18 Cabinet of centrifugal ventilator with the insertion for the sound absorption

Country Status (8)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3151386A1 (de) * 1981-12-24 1983-07-14 FSL Fenster-System-Lüftung GmbH, 6800 Mannheim Geblaese, insbesondere einbaugeblaese
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 (de) * 1961-07-01 1969-01-30 Daimler Benz Ag Kuehl- oder Heissluftgeblaese
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 (de) * 1966-02-01 1967-04-30 Abrisari Ag Luftfördermaschine, insbesondere zur Belüftung von Schutzräumen
CH439990A (de) * 1966-03-11 1967-07-15 Abrisaria Ag Luftfördermaschine, insbesondere zur Belüftung von Schutzräumen
FR2193182A1 (fr) * 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 (hu) 1979-06-28
DE2736047A1 (de) 1978-05-03
ATA417077A (de) 1981-12-15
IT1085194B (it) 1985-05-28
GB1563439A (en) 1980-03-26
FR2368624A1 (fr) 1978-05-19
CH632062A5 (en) 1982-09-15
FR2368624B1 (fr) 1984-09-14
AT367873B (de) 1982-08-10

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