WO2008147981A3 - Centrifugal air blower - Google Patents

Centrifugal air blower Download PDF

Info

Publication number
WO2008147981A3
WO2008147981A3 PCT/US2008/064686 US2008064686W WO2008147981A3 WO 2008147981 A3 WO2008147981 A3 WO 2008147981A3 US 2008064686 W US2008064686 W US 2008064686W WO 2008147981 A3 WO2008147981 A3 WO 2008147981A3
Authority
WO
WIPO (PCT)
Prior art keywords
air
platen
scroll
passageway
impeller
Prior art date
Application number
PCT/US2008/064686
Other languages
French (fr)
Other versions
WO2008147981A2 (en
Inventor
Thomas G Glore
Andrew L Solinski
Justin Murnan
Robert L Bilimek
Original Assignee
Husqvarna Outdoor Products Inc
Thomas G Glore
Andrew L Solinski
Justin Murnan
Robert L Bilimek
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 Husqvarna Outdoor Products Inc, Thomas G Glore, Andrew L Solinski, Justin Murnan, Robert L Bilimek filed Critical Husqvarna Outdoor Products Inc
Publication of WO2008147981A2 publication Critical patent/WO2008147981A2/en
Publication of WO2008147981A3 publication Critical patent/WO2008147981A3/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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/084—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand 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
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/422—Discharge tongues
    • 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
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A centrifugal blower includes a main scroll portion and a scroll opening through which air is discharged. A transitional portion conducts air discharged through the scroll opening away from the blower. The transitional portion includes an internal passageway that provides for the smooth passage of air essentially without causing any abrupt changes in the direction of the flow of the air through the passageway. An impeller assembly can be mounted within the main scroll portion for rotation so as to circulate the air in a spiral path within the main scroll portion and force the air through the scroll opening and the passageway in the transitional portion. The impeller assembly can have a platen that has a perimeter and a plurality of impeller blades mounted at the platen for rotation with the platen. Each impeller blade can have a distal end that extends beyond the perimeter of the platen.
PCT/US2008/064686 2007-05-25 2008-05-23 Centrifugal air blower WO2008147981A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94022407P 2007-05-25 2007-05-25
US60/940,224 2007-05-25

Publications (2)

Publication Number Publication Date
WO2008147981A2 WO2008147981A2 (en) 2008-12-04
WO2008147981A3 true WO2008147981A3 (en) 2009-01-22

Family

ID=40072575

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/064686 WO2008147981A2 (en) 2007-05-25 2008-05-23 Centrifugal air blower

Country Status (2)

Country Link
US (1) US20080292455A1 (en)
WO (1) WO2008147981A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201448263U (en) * 2009-07-31 2010-05-05 佛山市顺德区新生源电器有限公司 Blower
WO2016123211A1 (en) 2015-01-27 2016-08-04 Mtd Products Inc Snow thrower impeller
NL2015220B1 (en) * 2015-07-24 2017-02-08 Intergas Heating Assets Bv Centrifugal range, and heating device provided with it.
CN109236742B (en) * 2018-09-27 2020-09-22 佛山市顺德区美的洗涤电器制造有限公司 Volute tongue, fan and range hood
JP1655942S (en) * 2019-09-25 2020-03-30

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09242696A (en) * 1996-03-11 1997-09-16 Denso Corp Centrifugal blower
KR20030016986A (en) * 2001-08-23 2003-03-03 엘지전자 주식회사 Turbofan, manufacturing method and manufacturing mold thereof
JP2004143995A (en) * 2002-10-23 2004-05-20 Calsonic Kansei Corp Centrifugal multi-vane blower
JP2005002912A (en) * 2003-06-12 2005-01-06 Yanmar Co Ltd Fuel injection control device for fuel injection pump

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1128822A (en) * 1913-02-11 1915-02-16 Sparks Withington Co Centrifugal pump.
US2869774A (en) * 1955-08-23 1959-01-20 Reliance Electric & Eng Co Removable hub
US4789301A (en) * 1986-03-27 1988-12-06 Goulds Pumps, Incorporated Low specific speed pump casing construction
WO1993014320A1 (en) * 1992-01-13 1993-07-22 Fasco Industries, Inc. Noise cancellation device for centrifugal blower
US5569017A (en) * 1994-12-22 1996-10-29 Ametek, Inc. Fan end bracket for high velocity low pressure blowers
CA2281241C (en) * 1998-08-31 2009-05-12 Emerson Electric Co. Wet/dry vacuum with reduced operating noise
DE20006485U1 (en) * 2000-04-07 2000-08-10 Stihl Maschf Andreas Hand-held suction / blowing device
US6435818B1 (en) * 2000-08-30 2002-08-20 Jakel Incorporated Low vibration blower housing and motor mount
JP4026366B2 (en) * 2001-03-16 2007-12-26 株式会社デンソー Centrifugal blower
US20030039541A1 (en) * 2001-08-20 2003-02-27 Xerox Corporation Blower noise reducing device and a blower having same
US7210903B2 (en) * 2004-09-03 2007-05-01 Fasco Industries, Inc. Lobed joint draft inducer blower
JP2006083831A (en) * 2004-09-17 2006-03-30 Hitachi Koki Co Ltd Blower

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09242696A (en) * 1996-03-11 1997-09-16 Denso Corp Centrifugal blower
KR20030016986A (en) * 2001-08-23 2003-03-03 엘지전자 주식회사 Turbofan, manufacturing method and manufacturing mold thereof
JP2004143995A (en) * 2002-10-23 2004-05-20 Calsonic Kansei Corp Centrifugal multi-vane blower
JP2005002912A (en) * 2003-06-12 2005-01-06 Yanmar Co Ltd Fuel injection control device for fuel injection pump

Also Published As

Publication number Publication date
US20080292455A1 (en) 2008-11-27
WO2008147981A2 (en) 2008-12-04

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