WO2010048730A3 - Multistage flow optimizer - Google Patents

Multistage flow optimizer Download PDF

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Publication number
WO2010048730A3
WO2010048730A3 PCT/CA2009/001581 CA2009001581W WO2010048730A3 WO 2010048730 A3 WO2010048730 A3 WO 2010048730A3 CA 2009001581 W CA2009001581 W CA 2009001581W WO 2010048730 A3 WO2010048730 A3 WO 2010048730A3
Authority
WO
WIPO (PCT)
Prior art keywords
fans
multistage flow
flow optimizer
fan
flow
Prior art date
Application number
PCT/CA2009/001581
Other languages
French (fr)
Other versions
WO2010048730A2 (en
Inventor
Howard Harrison
Original Assignee
Distributed Thermal Systems 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 Distributed Thermal Systems Ltd. filed Critical Distributed Thermal Systems Ltd.
Publication of WO2010048730A2 publication Critical patent/WO2010048730A2/en
Publication of WO2010048730A3 publication Critical patent/WO2010048730A3/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
    • F04D19/00—Axial-flow pumps
    • F04D19/007—Axial-flow pumps multistage fans
    • 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
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • 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
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F04D29/544—Blade shapes
    • 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

Abstract

A fan configuration having at least two fans in series, having a plurality of flow optimizing elements in a chamber between said two fans. Also disclosed is a fan finger guard having optimized flow characteristics, and a parallel fan configuration having flow optimizing elements upstream of the fans.
PCT/CA2009/001581 2008-10-30 2009-10-30 Multistage flow optimizer WO2010048730A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10959908P 2008-10-30 2008-10-30
US61/109,599 2008-10-30
US23499409P 2009-08-12 2009-08-12
US61/234,994 2009-08-12

Publications (2)

Publication Number Publication Date
WO2010048730A2 WO2010048730A2 (en) 2010-05-06
WO2010048730A3 true WO2010048730A3 (en) 2010-06-24

Family

ID=42129344

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2009/001581 WO2010048730A2 (en) 2008-10-30 2009-10-30 Multistage flow optimizer

Country Status (1)

Country Link
WO (1) WO2010048730A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9568209B2 (en) 2013-04-30 2017-02-14 Eaton Corporation System and method for controlling output flow of parallel connected blowers
CN107062507A (en) * 2017-04-10 2017-08-18 陈罡 A kind of wall hole formula Jing Yin new blower fan and its core component using a variety of sound-silencing measures
US10309423B2 (en) 2017-06-02 2019-06-04 International Business Machines Corporation Mechanically actuated safety compliant fan finger guard structures and methods
US10280944B2 (en) 2017-06-02 2019-05-07 International Business Machines Corporation Safety compliant fan finger guard integrated with anti-recirculation structure and method
US10385878B2 (en) 2017-06-02 2019-08-20 International Business Machines Corporation Solenoid actuated safety compliant fan finger guard structures and methods
CN114673670B (en) * 2020-12-24 2024-04-05 戴尔产品有限公司 Information processing system with column fan package
DE102021107361A1 (en) 2021-03-24 2022-09-29 Ebm-Papst St. Georgen Gmbh & Co. Kg Multi-stage axial fan

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5572403A (en) * 1995-01-18 1996-11-05 Dell Usa, L.P. Plenum bypass serial fan cooling subsystem for computer systems
US6308621B1 (en) * 1999-06-14 2001-10-30 Heidelberger Druckmaschinen Ag Roller bearing lubrication system and method
US20030026691A1 (en) * 2001-08-01 2003-02-06 Wen-Shi Huang Composite heat-dissipating system and its used fan guard with additional supercharging function
US20040228722A1 (en) * 2003-05-16 2004-11-18 Sunonwealth Electric Machine Industry Co., Ltd. Heat-dissipating module
CN2679401Y (en) * 2004-01-12 2005-02-16 陈申岳 Commutation coupler structure of series same steering axial fan
WO2005049423A2 (en) * 2003-11-18 2005-06-02 Distributed Thermal Systems Ltd. Coaxial propulsion systems with flow modification element
WO2005050027A1 (en) * 2003-11-18 2005-06-02 Distributed Thermal Systems Ltd. Series fans with flow modification element
US20080031722A1 (en) * 2006-08-02 2008-02-07 Nidec Corporation Fan unit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5572403A (en) * 1995-01-18 1996-11-05 Dell Usa, L.P. Plenum bypass serial fan cooling subsystem for computer systems
US6308621B1 (en) * 1999-06-14 2001-10-30 Heidelberger Druckmaschinen Ag Roller bearing lubrication system and method
US20030026691A1 (en) * 2001-08-01 2003-02-06 Wen-Shi Huang Composite heat-dissipating system and its used fan guard with additional supercharging function
US20040228722A1 (en) * 2003-05-16 2004-11-18 Sunonwealth Electric Machine Industry Co., Ltd. Heat-dissipating module
WO2005049423A2 (en) * 2003-11-18 2005-06-02 Distributed Thermal Systems Ltd. Coaxial propulsion systems with flow modification element
WO2005050027A1 (en) * 2003-11-18 2005-06-02 Distributed Thermal Systems Ltd. Series fans with flow modification element
CN2679401Y (en) * 2004-01-12 2005-02-16 陈申岳 Commutation coupler structure of series same steering axial fan
US20080031722A1 (en) * 2006-08-02 2008-02-07 Nidec Corporation Fan unit

Also Published As

Publication number Publication date
WO2010048730A2 (en) 2010-05-06

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