EP1703138A3 - Blower - Google Patents

Blower Download PDF

Info

Publication number
EP1703138A3
EP1703138A3 EP06003542A EP06003542A EP1703138A3 EP 1703138 A3 EP1703138 A3 EP 1703138A3 EP 06003542 A EP06003542 A EP 06003542A EP 06003542 A EP06003542 A EP 06003542A EP 1703138 A3 EP1703138 A3 EP 1703138A3
Authority
EP
European Patent Office
Prior art keywords
peripheral wall
multiblade fan
tongue
continuous
curved
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Withdrawn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
EP06003542A
Other languages
German (de)
French (fr)
Other versions
EP1703138A2 (en
Inventor
Hirokazu c/o Matsushita Elect.Ind.Co. Ltd. Sakai
Yoshikimi c/oMatsushita Elect.Ind.Co. Ltd Tatsumu
Kazuki c/o Matsushita Elect.Ind.Co. Ltd. Nakao
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.)
Panasonic Corp
Original Assignee
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Publication of EP1703138A2 publication Critical patent/EP1703138A2/en
Publication of EP1703138A3 publication Critical patent/EP1703138A3/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Withdrawn legal-status Critical Current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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
    • F04D29/602—Mounting in cavities
    • 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
    • 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
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/52—Outlet

Landscapes

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

Abstract

A blower includes a multiblade fan (3) and a scroll casing (4) accommodating the multiblade fan (3) therein. The scroll casing (4) has two side walls (13) opposed to each other, a curved peripheral wall (12a, 12b), and a tongue (9) continuous with the curved peripheral wall (12a, 12b). The scroll casing (4) also has an intake opening defined in one of the two opposed side walls (13) and a discharge opening (8) delimited by the two side walls (13), the curved peripheral wall (12a, 12b), and the tongue (9). The curved peripheral wall (12a, 12b) has a first peripheral wall (12a) continuous with the tongue (9) and a second peripheral wall (12b) formed on a downstream side of the first peripheral wall (12a) with respect to the direction of travel of air so as to be continuous with the first peripheral wall (12a). The first peripheral wall (12a) is concentric with the multiblade fan (3) and has a constant radius of curvature, while the second peripheral wall (12b) has an expansion angle such that a distance (L) between a center (11) of the multiblade fan (3) and the second peripheral wall (12b) increases towards the discharge opening (8).
EP06003542A 2005-02-24 2006-02-22 Blower Withdrawn EP1703138A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005048370A JP2006233835A (en) 2005-02-24 2005-02-24 Blower

Publications (2)

Publication Number Publication Date
EP1703138A2 EP1703138A2 (en) 2006-09-20
EP1703138A3 true EP1703138A3 (en) 2010-03-24

Family

ID=36440953

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06003542A Withdrawn EP1703138A3 (en) 2005-02-24 2006-02-22 Blower

Country Status (2)

Country Link
EP (1) EP1703138A3 (en)
JP (1) JP2006233835A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102066771B (en) * 2008-07-10 2012-12-12 三菱电机株式会社 Sirocco fan and air conditioner using the same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4906555B2 (en) * 2007-03-27 2012-03-28 三菱電機株式会社 Sirocco fan and air conditioner
JP5442683B2 (en) * 2011-08-23 2014-03-12 レノボ・シンガポール・プライベート・リミテッド Centrifugal fan with reduced noise
CN104110401B (en) * 2013-04-17 2016-08-10 台达电子工业股份有限公司 Centrifugal fan
CN110185640B (en) * 2019-06-14 2021-07-27 珠海格力电器股份有限公司 Centrifugal fan and household appliance

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US801304A (en) * 1904-05-23 1905-10-10 Samuel Cleland Davidson Centrifugal fan or pump.
US2001522A (en) * 1932-05-03 1935-05-14 Chester Thomas Centrifugal blower
FR2534981A1 (en) * 1982-10-21 1984-04-27 Roehrs Werner Dr Kg Centrifugal fan housing scroll contour
US5570996A (en) * 1994-06-27 1996-11-05 American Standard Inc. Compact centrifugal fan

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005036679A (en) * 2003-07-17 2005-02-10 Matsushita Electric Ind Co Ltd Blower

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US801304A (en) * 1904-05-23 1905-10-10 Samuel Cleland Davidson Centrifugal fan or pump.
US2001522A (en) * 1932-05-03 1935-05-14 Chester Thomas Centrifugal blower
FR2534981A1 (en) * 1982-10-21 1984-04-27 Roehrs Werner Dr Kg Centrifugal fan housing scroll contour
US5570996A (en) * 1994-06-27 1996-11-05 American Standard Inc. Compact centrifugal fan

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102066771B (en) * 2008-07-10 2012-12-12 三菱电机株式会社 Sirocco fan and air conditioner using the same

Also Published As

Publication number Publication date
EP1703138A2 (en) 2006-09-20
JP2006233835A (en) 2006-09-07

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