HU173594B - Ventilator scroll case with silencing insert of non-uniform thickness - Google Patents

Ventilator scroll case with silencing insert of non-uniform thickness

Info

Publication number
HU173594B
HU173594B HU76FU345A HUFU000345A HU173594B HU 173594 B HU173594 B HU 173594B HU 76FU345 A HU76FU345 A HU 76FU345A HU FU000345 A HUFU000345 A HU FU000345A HU 173594 B HU173594 B HU 173594B
Authority
HU
Hungary
Prior art keywords
ventilator
uniform thickness
scroll case
silencing insert
silencing
Prior art date
Application number
HU76FU345A
Other languages
Hungarian (hu)
Inventor
Sandor Kiss
Tibor Szentmartony
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
Priority to HU76FU345A priority Critical patent/HU173594B/en
Priority to CH732977A priority patent/CH632062A5/en
Priority to AT417077A priority patent/AT367873B/en
Priority to GB2834777A priority patent/GB1563439A/en
Priority to CS474177A priority patent/CS213325B2/en
Priority to DE19772736047 priority patent/DE2736047A1/en
Priority to FR7728810A priority patent/FR2368624A1/en
Priority to IT2808477A priority patent/IT1085194B/en
Publication of HU173594B publication Critical patent/HU173594B/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)
HU76FU345A 1976-10-21 1976-10-21 Ventilator scroll case with silencing insert of non-uniform thickness HU173594B (en)

Priority Applications (8)

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
CH732977A CH632062A5 (en) 1976-10-21 1977-06-13 Radial-flow fan having a sound-absorbing insert
AT417077A AT367873B (en) 1976-10-21 1977-06-14 CENTRIFUGAL FAN
GB2834777A GB1563439A (en) 1976-10-21 1977-07-06 Centrifugal fan with sound-absorbing means
CS474177A CS213325B2 (en) 1976-10-21 1977-07-18 Cabinet of centrifugal ventilator with the insertion for the sound absorption
DE19772736047 DE2736047A1 (en) 1976-10-21 1977-08-10 FAN SPIRAL WITH A CLAY INSERT
FR7728810A FR2368624A1 (en) 1976-10-21 1977-09-23 SPIRAL BODY FAN WITH SOUND ABSORBING TRIM AND STRAIGHT SECTION
IT2808477A IT1085194B (en) 1976-10-21 1977-09-29 FAN WITH SOUND ABSORPTION MEANS

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 (1)

Publication Number Publication Date
HU173594B true HU173594B (en) 1979-06-28

Family

ID=10996357

Family Applications (1)

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

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
DE2736047A1 (en) 1978-05-03
IT1085194B (en) 1985-05-28
ATA417077A (en) 1981-12-15
AT367873B (en) 1982-08-10
FR2368624B1 (en) 1984-09-14
CS213325B2 (en) 1982-04-09
CH632062A5 (en) 1982-09-15
GB1563439A (en) 1980-03-26
FR2368624A1 (en) 1978-05-19

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Legal Events

Date Code Title Description
HU90 Patent valid on 900628
HMM4 Cancellation of final prot. due to non-payment of fee