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FR2290589A1 - Anneau de ventilateur suppresseur de bruit pour ventilateur a helice - Google Patents

Anneau de ventilateur suppresseur de bruit pour ventilateur a helice

Info

Publication number
FR2290589A1
FR2290589A1 FR7533769A FR7533769A FR2290589A1 FR 2290589 A1 FR2290589 A1 FR 2290589A1 FR 7533769 A FR7533769 A FR 7533769A FR 7533769 A FR7533769 A FR 7533769A FR 2290589 A1 FR2290589 A1 FR 2290589A1
Authority
FR
France
Prior art keywords
fan
noise suppressing
ring
propeller
propeller fan
Prior art date
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.)
Granted
Application number
FR7533769A
Other languages
English (en)
Other versions
FR2290589B3 (fr
Inventor
Kunihiko Minami
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.)
Sasakura Engineering Co Ltd
Original Assignee
Sasakura Engineering Co 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
Application filed by Sasakura Engineering Co Ltd filed Critical Sasakura Engineering Co Ltd
Publication of FR2290589A1 publication Critical patent/FR2290589A1/fr
Application granted granted Critical
Publication of FR2290589B3 publication Critical patent/FR2290589B3/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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • 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)
  • Exhaust Silencers (AREA)
FR7533769A 1974-11-05 1975-11-05 Anneau de ventilateur suppresseur de bruit pour ventilateur a helice Granted FR2290589A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49127804A JPS5153606A (en) 1974-11-05 1974-11-05 Puroperafuanno soonboshofuanringu

Publications (2)

Publication Number Publication Date
FR2290589A1 true FR2290589A1 (fr) 1976-06-04
FR2290589B3 FR2290589B3 (fr) 1979-09-21

Family

ID=14969076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7533769A Granted FR2290589A1 (fr) 1974-11-05 1975-11-05 Anneau de ventilateur suppresseur de bruit pour ventilateur a helice

Country Status (7)

Country Link
JP (1) JPS5153606A (fr)
BR (1) BR7507271A (fr)
DE (1) DE2548999B2 (fr)
FR (1) FR2290589A1 (fr)
GB (1) GB1514584A (fr)
IT (1) IT1049003B (fr)
NL (1) NL7512418A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397546A1 (fr) * 1977-07-13 1979-02-09 Carrier Corp Absorbeur de variation de pression de fluide
FR2414649A1 (fr) * 1978-01-12 1979-08-10 Etri Sa Ventilateur axial a boitier polygonal plat, notamment carre
CN110914518A (zh) * 2017-05-16 2020-03-24 奥斯卡推进有限责任公司 出口导向叶片

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5380106U (fr) * 1976-12-07 1978-07-04
DE3927791A1 (de) * 1989-08-23 1991-02-28 Gebhardt Ventilatoren Axialventilator
GB2330624A (en) * 1997-10-23 1999-04-28 Wang Samw Hong Jen Fan device with noise reduction
RU2148732C1 (ru) * 1998-05-05 2000-05-10 Открытое акционерное общество Самарский научно-технический комплекс им. Н.Д. Кузнецова Ступень турбомашины
NL1034926C2 (nl) * 2008-01-18 2009-07-21 Holland Conditioning Parkeersystemen Bv Ventilatorinrichting met ophanging aan motor.
IT1403249B1 (it) * 2010-11-19 2013-10-17 Luve Spa Dispositivo silenziatore, particolarmente per i ventilatori di aero-scambiatori e simili.
CN104454587B (zh) * 2014-11-12 2017-02-08 华为技术有限公司 一种风扇

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397546A1 (fr) * 1977-07-13 1979-02-09 Carrier Corp Absorbeur de variation de pression de fluide
FR2414649A1 (fr) * 1978-01-12 1979-08-10 Etri Sa Ventilateur axial a boitier polygonal plat, notamment carre
CN110914518A (zh) * 2017-05-16 2020-03-24 奥斯卡推进有限责任公司 出口导向叶片
US11713686B2 (en) 2017-05-16 2023-08-01 Oscar Propulsion Ltd. Outlet guide vanes

Also Published As

Publication number Publication date
DE2548999A1 (de) 1976-05-13
DE2548999B2 (de) 1978-12-14
BR7507271A (pt) 1976-08-03
FR2290589B3 (fr) 1979-09-21
GB1514584A (en) 1978-06-14
NL7512418A (nl) 1976-05-07
JPS5153606A (en) 1976-05-12
IT1049003B (it) 1981-01-20

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