FR2368624B1 - - Google Patents

Info

Publication number
FR2368624B1
FR2368624B1 FR7728810A FR7728810A FR2368624B1 FR 2368624 B1 FR2368624 B1 FR 2368624B1 FR 7728810 A FR7728810 A FR 7728810A FR 7728810 A FR7728810 A FR 7728810A FR 2368624 B1 FR2368624 B1 FR 2368624B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7728810A
Other versions
FR2368624A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUETOEBER EPUELETGEP TERMEKEK
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 FR2368624A1 publication Critical patent/FR2368624A1/fr
Application granted granted Critical
Publication of FR2368624B1 publication Critical patent/FR2368624B1/fr
Granted legal-status Critical Current

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)
FR7728810A 1976-10-21 1977-09-23 Ventilateur a caisse en spirale avec garniture absorbant les sons et de section droite Granted FR2368624A1 (fr)

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 (2)

Publication Number Publication Date
FR2368624A1 FR2368624A1 (fr) 1978-05-19
FR2368624B1 true FR2368624B1 (fr) 1984-09-14

Family

ID=10996357

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7728810A Granted FR2368624A1 (fr) 1976-10-21 1977-09-23 Ventilateur a caisse en spirale avec garniture absorbant les sons et de section droite

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
CS213325B2 (en) 1982-04-09
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
AT367873B (de) 1982-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse