GB9722276D0 - Fan device having a noise reducing mechanism - Google Patents

Fan device having a noise reducing mechanism

Info

Publication number
GB9722276D0
GB9722276D0 GBGB9722276.4A GB9722276A GB9722276D0 GB 9722276 D0 GB9722276 D0 GB 9722276D0 GB 9722276 A GB9722276 A GB 9722276A GB 9722276 D0 GB9722276 D0 GB 9722276D0
Authority
GB
United Kingdom
Prior art keywords
reducing mechanism
fan device
noise reducing
noise
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.)
Withdrawn
Application number
GBGB9722276.4A
Other versions
GB2330624A (en
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.)
WANG SAMW H
Original Assignee
WANG SAMW H
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 WANG SAMW H filed Critical WANG SAMW H
Priority to GB9722276A priority Critical patent/GB2330624A/en
Publication of GB9722276D0 publication Critical patent/GB9722276D0/en
Publication of GB2330624A publication Critical patent/GB2330624A/en
Withdrawn legal-status Critical Current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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • 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
GB9722276A 1997-10-23 1997-10-23 Fan device with noise reduction Withdrawn GB2330624A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9722276A GB2330624A (en) 1997-10-23 1997-10-23 Fan device with noise reduction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9722276A GB2330624A (en) 1997-10-23 1997-10-23 Fan device with noise reduction

Publications (2)

Publication Number Publication Date
GB9722276D0 true GB9722276D0 (en) 1997-12-17
GB2330624A GB2330624A (en) 1999-04-28

Family

ID=10820894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9722276A Withdrawn GB2330624A (en) 1997-10-23 1997-10-23 Fan device with noise reduction

Country Status (1)

Country Link
GB (1) GB2330624A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2427653B (en) * 2005-06-29 2011-02-09 Caice Acoustic Air Movement Ltd Ventilation apparatus
JP2008255969A (en) * 2007-04-09 2008-10-23 Kobe Steel Ltd Noise reducing structure of fan device
CN104454587B (en) 2014-11-12 2017-02-08 华为技术有限公司 Fan

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3346174A (en) * 1966-07-05 1967-10-10 Trane Co Compact axial flow fan
JPS5153606A (en) * 1974-11-05 1976-05-12 Sasakura Eng Co Ltd Puroperafuanno soonboshofuanringu
DE2521416A1 (en) * 1975-05-14 1976-11-25 Costa Silard Dipl I Vasiljevic SILENT AXIAL FAN
HU173594B (en) * 1976-10-21 1979-06-28 Fuetoeber Epueletgep Termekek Ventilator scroll case with silencing insert of non-uniform thickness
US4508486A (en) * 1982-05-28 1985-04-02 Peabody Abc Corporation Ventilation fan with noise-attenuating housing
US5299634A (en) * 1991-09-26 1994-04-05 Mitsubishi Denki Kabushiki Kaisha Indoor unit of a ventilation system, ventilation and air conditioner

Also Published As

Publication number Publication date
GB2330624A (en) 1999-04-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)