EP2894345A4 - Cross-flow fan - Google Patents

Cross-flow fan

Info

Publication number
EP2894345A4
EP2894345A4 EP13836035.9A EP13836035A EP2894345A4 EP 2894345 A4 EP2894345 A4 EP 2894345A4 EP 13836035 A EP13836035 A EP 13836035A EP 2894345 A4 EP2894345 A4 EP 2894345A4
Authority
EP
European Patent Office
Prior art keywords
cross
flow fan
fan
flow
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Withdrawn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
EP13836035.9A
Other languages
German (de)
French (fr)
Other versions
EP2894345A1 (en
Inventor
Satoshi Nakai
Hideshi Tanaka
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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
Priority claimed from JP2012194256A external-priority patent/JP5704139B2/en
Priority claimed from JP2012194255A external-priority patent/JP5590081B2/en
Priority claimed from JP2012216122A external-priority patent/JP5590088B2/en
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP2894345A1 publication Critical patent/EP2894345A1/en
Publication of EP2894345A4 publication Critical patent/EP2894345A4/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Withdrawn legal-status Critical Current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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
    • F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • 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
    • 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
    • F04D29/665—Sound attenuation by means of resonance chambers or interference
    • 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
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP13836035.9A 2012-09-04 2013-08-29 Cross-flow fan Withdrawn EP2894345A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012194256A JP5704139B2 (en) 2012-09-04 2012-09-04 Cross flow fan
JP2012194255A JP5590081B2 (en) 2012-09-04 2012-09-04 Cross flow fan
JP2012216122A JP5590088B2 (en) 2012-09-28 2012-09-28 Cross flow fan
PCT/JP2013/073145 WO2014038467A1 (en) 2012-09-04 2013-08-29 Cross-flow fan

Publications (2)

Publication Number Publication Date
EP2894345A1 EP2894345A1 (en) 2015-07-15
EP2894345A4 true EP2894345A4 (en) 2015-08-12

Family

ID=50237079

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13836035.9A Withdrawn EP2894345A4 (en) 2012-09-04 2013-08-29 Cross-flow fan

Country Status (3)

Country Link
EP (1) EP2894345A4 (en)
CN (1) CN104603466A (en)
WO (1) WO2014038467A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102203939B1 (en) * 2014-01-06 2021-01-18 삼성전자주식회사 Guide blade and air conditioner having the same
CN109538514A (en) * 2019-01-21 2019-03-29 湖北工程职业学院 A kind of crossflow fan of damping noise reduction

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB986222A (en) * 1960-02-15 1965-03-17 Firth Cleveland Ltd Improvements relating to bladed rotors for flow machines and apparatus for making such rotors
JPH03229991A (en) * 1990-02-05 1991-10-11 Matsushita Electric Ind Co Ltd Cross-flow air blower
US5611667A (en) * 1994-08-09 1997-03-18 Kabushiki Kaisha Toshiba Transverse fan
US20070177971A1 (en) * 2004-09-30 2007-08-02 Hironobu Teraoka Impeller for blower and air conditioner having the same
US20090028719A1 (en) * 2006-03-31 2009-01-29 Hironobu Teraoka Multi-Blade Fan
US20090290986A1 (en) * 2005-09-28 2009-11-26 Daikin Industries, Ltd. Impeller of multiblade blower and method of manufacuturing the same
JP2011190749A (en) * 2010-03-15 2011-09-29 Sharp Corp Fan, molding die and fluid feeding device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56136192U (en) * 1980-03-14 1981-10-15
JPH0587086A (en) 1991-09-05 1993-04-06 Sanko Gosei Kk Cylindrical impeller
JP3866897B2 (en) * 2000-03-21 2007-01-10 三菱電機株式会社 Cross-flow blower and air conditioner
JP4918650B2 (en) * 2006-06-23 2012-04-18 ダイキン工業株式会社 Multi-wing fan
JP4433093B2 (en) * 2008-05-09 2010-03-17 ダイキン工業株式会社 Cross flow fan and air conditioner equipped with the same
EP2407671B1 (en) * 2009-03-10 2019-06-26 Daikin Industries, Ltd. Crossflow fan and air conditioner provided with same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB986222A (en) * 1960-02-15 1965-03-17 Firth Cleveland Ltd Improvements relating to bladed rotors for flow machines and apparatus for making such rotors
JPH03229991A (en) * 1990-02-05 1991-10-11 Matsushita Electric Ind Co Ltd Cross-flow air blower
US5611667A (en) * 1994-08-09 1997-03-18 Kabushiki Kaisha Toshiba Transverse fan
US20070177971A1 (en) * 2004-09-30 2007-08-02 Hironobu Teraoka Impeller for blower and air conditioner having the same
US20090290986A1 (en) * 2005-09-28 2009-11-26 Daikin Industries, Ltd. Impeller of multiblade blower and method of manufacuturing the same
US20090028719A1 (en) * 2006-03-31 2009-01-29 Hironobu Teraoka Multi-Blade Fan
JP2011190749A (en) * 2010-03-15 2011-09-29 Sharp Corp Fan, molding die and fluid feeding device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014038467A1 *

Also Published As

Publication number Publication date
EP2894345A1 (en) 2015-07-15
CN104603466A (en) 2015-05-06
WO2014038467A1 (en) 2014-03-13

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20150326

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AX Request for extension of the european patent

Extension state: BA ME

RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20150715

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 29/28 20060101ALI20150709BHEP

Ipc: F04D 29/30 20060101ALI20150709BHEP

Ipc: F04D 17/04 20060101AFI20150709BHEP

Ipc: F04D 29/66 20060101ALI20150709BHEP

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20160419

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Effective date: 20160830