EP3217018B1 - Propellerlüfter, propellerlüftervorrichtung und ausseneinheit für klimaanlage - Google Patents

Propellerlüfter, propellerlüftervorrichtung und ausseneinheit für klimaanlage Download PDF

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Publication number
EP3217018B1
EP3217018B1 EP14905593.1A EP14905593A EP3217018B1 EP 3217018 B1 EP3217018 B1 EP 3217018B1 EP 14905593 A EP14905593 A EP 14905593A EP 3217018 B1 EP3217018 B1 EP 3217018B1
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EP
European Patent Office
Prior art keywords
propeller fan
protrusion
blade
air
airflow velocity
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.)
Active
Application number
EP14905593.1A
Other languages
English (en)
French (fr)
Other versions
EP3217018A1 (de
EP3217018A4 (de
Inventor
Seiji Nakashima
Atsushi Kono
Katsuyuki Yamamoto
Takashi Ikeda
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.)
Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3217018A1 publication Critical patent/EP3217018A1/de
Publication of EP3217018A4 publication Critical patent/EP3217018A4/de
Application granted granted Critical
Publication of EP3217018B1 publication Critical patent/EP3217018B1/de
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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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/384—Blades characterised by form
    • 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
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
    • 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
    • F05D2240/303—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 leading edge of a rotor blade
    • 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

Claims (5)

  1. Propellerlüfter (1), der Folgendes umfasst:
    eine Nabe (1a) und
    ein an der Nabe (1a) befestigtes Blatt (2),
    wobei das Blatt (2) eine aus einer Form, in der ein Teil einer Vorderkante (21) des Blatts (2) in Richtung einer Seite einer Überdruckfläche (2a) vorsteht, und einer Form, in der ein Teil einer Hinterkante (22) des Blatts (2) in Richtung einer Seite einer Unterdruckfläche (2b) vorsteht, aufweist,
    wobei ein Mittelpunkt eines Vorsprungs in radialer Richtung des Blatts (2) auf einer radial äußeren Seite in Bezug auf eine radiale Position in der Hälfte des Blattradius von einer Rotationsmittellinie angeordnet ist, dadurch gekennzeichnet, dass
    die maximale radiale Vorsprungposition des Vorsprungs auf einer radial äußeren Seite in Bezug auf eine radiale Position des Mittelpunkts des Vorsprungs in radialer Richtung angeordnet ist.
  2. Propellerlüfter (1) nach Anspruch 1,
    wobei der Lüfter eine Blasluftstromgeschwindigkeitsverteilung aufweist und
    wobei die maximale radiale Vorsprungposition an einer Position angeordnet ist, die mit einem Maximalgeschwindigkeitsabschnitt der Blasluftstromgeschwindigkeitsverteilung übereinstimmt.
  3. Propellerlüfter (1) nach Anspruch 1 oder 2,
    wobei eine Vorsprunghöhe L des Vorsprungs an der maximalen radialen Vorsprungposition so festgelegt ist, dass gilt: L/Rt<0,1,
    worin Rt für einen Blattradius von der Rotationsmittellinie zu einer Außenumfangskante (24) des Blatts (2) steht.
  4. Propellerlüftervorrichtung, die Folgendes umfasst:
    einen Propellerlüfter (1) nach einem der Ansprüche 1 bis 3;
    einen Trichter (3) und
    ein Lüftergitter (4),
    wobei der Trichter (3) einen stromabwärts gelegenen Abschnitt des Propellerlüfters (1) in eine Luftblasrichtung in einer Draufsicht umgibt,
    wobei ein stromaufwärts gelegener Abschnitt des Propellerlüfters (1) in der Luftblasrichtung in einer Draufsicht an einer Außenseite des Trichters (3) angeordnet ist, und
    wobei das Lüftergitter (4) stromabwärts in Bezug auf den Propellerlüfter (1) in der Luftblasrichtung angeordnet ist.
  5. Außeneinheit (100) für eine Klimatisierungsvorrichtung, die einen Propellerlüfter (1) nach einem der Ansprüche 1 bis 3 umfasst.
EP14905593.1A 2014-11-04 2014-11-04 Propellerlüfter, propellerlüftervorrichtung und ausseneinheit für klimaanlage Active EP3217018B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/079190 WO2016071948A1 (ja) 2014-11-04 2014-11-04 プロペラファン、プロペラファン装置および空気調和装置用室外機

Publications (3)

Publication Number Publication Date
EP3217018A1 EP3217018A1 (de) 2017-09-13
EP3217018A4 EP3217018A4 (de) 2018-05-30
EP3217018B1 true EP3217018B1 (de) 2020-09-16

Family

ID=55908705

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14905593.1A Active EP3217018B1 (de) 2014-11-04 2014-11-04 Propellerlüfter, propellerlüftervorrichtung und ausseneinheit für klimaanlage

Country Status (3)

Country Link
EP (1) EP3217018B1 (de)
JP (1) JP6377172B2 (de)
WO (1) WO2016071948A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018020708A1 (ja) * 2016-07-27 2018-02-01 シャープ株式会社 プロペラファンおよび流体送り装置
JP6849366B2 (ja) * 2016-09-29 2021-03-24 山洋電気株式会社 リバーシブルフローファン
USD980965S1 (en) 2019-05-07 2023-03-14 Carrier Corporation Leading edge of a fan blade
US11187083B2 (en) 2019-05-07 2021-11-30 Carrier Corporation HVAC fan
EP3974659A4 (de) * 2019-05-21 2022-05-11 Mitsubishi Electric Corporation Axiallüfte, gebläse und kältekreislaufvorrichtung
JP7292405B2 (ja) * 2019-11-12 2023-06-16 三菱電機株式会社 軸流ファン、送風装置、及び、冷凍サイクル装置
JP7258225B2 (ja) * 2020-03-24 2023-04-14 三菱電機株式会社 軸流ファン、送風装置、及び、冷凍サイクル装置

Family Cites Families (15)

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JPS5818097U (ja) * 1981-07-30 1983-02-03 日産デイ−ゼル工業株式会社 内燃機関の冷却フアン
JPS59165598U (ja) * 1983-04-20 1984-11-06 大日本インキ化学工業株式会社 送風機
DE9013099U1 (de) * 1990-09-14 1991-11-07 Moser, Josef, 8058 Pretzen, De
JP4501575B2 (ja) * 2004-07-26 2010-07-14 三菱電機株式会社 軸流送風機
JP4400686B2 (ja) * 2008-01-07 2010-01-20 ダイキン工業株式会社 プロペラファン
US8128359B2 (en) * 2009-03-12 2012-03-06 Listan Asia Inc. Air fan module and a flow directing blade assembly thereof
DE102009035689A1 (de) * 2009-07-30 2011-02-03 Eads Deutschland Gmbh Fluiddynamisch wirksamer Rotor
JP5263198B2 (ja) * 2010-02-26 2013-08-14 パナソニック株式会社 羽根車と送風機及びそれを用いた空気調和機
TWI464328B (zh) * 2010-11-05 2014-12-11 Delta Electronics Inc 風扇結構
KR20130039481A (ko) * 2011-10-12 2013-04-22 엘지전자 주식회사 축류팬 및 공기 조화기
US9249666B2 (en) * 2011-12-22 2016-02-02 General Electric Company Airfoils for wake desensitization and method for fabricating same
JP5252070B2 (ja) * 2011-12-28 2013-07-31 ダイキン工業株式会社 軸流ファン
EP2885206A4 (de) * 2012-08-16 2016-03-16 Adelaide Res &Innovation Pty Ltd Verbesserte flügelkonfiguration
KR20140136180A (ko) * 2013-05-20 2014-11-28 삼성전자주식회사 프로펠러 팬 및 이를 구비하는 공기 조화기
FR3023329B1 (fr) * 2014-07-03 2019-08-02 Safran Aircraft Engines Stator ondule pour diminuer le bruit cree par l'interaction avec un rotor

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
EP3217018A1 (de) 2017-09-13
EP3217018A4 (de) 2018-05-30
WO2016071948A1 (ja) 2016-05-12
JPWO2016071948A1 (ja) 2017-05-25
JP6377172B2 (ja) 2018-08-22

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