BR112023017994A2 - Ventilador de hélice e aparelho de refrigeração - Google Patents

Ventilador de hélice e aparelho de refrigeração

Info

Publication number
BR112023017994A2
BR112023017994A2 BR112023017994A BR112023017994A BR112023017994A2 BR 112023017994 A2 BR112023017994 A2 BR 112023017994A2 BR 112023017994 A BR112023017994 A BR 112023017994A BR 112023017994 A BR112023017994 A BR 112023017994A BR 112023017994 A2 BR112023017994 A2 BR 112023017994A2
Authority
BR
Brazil
Prior art keywords
blade
height
propeller fan
curved portion
maximum
Prior art date
Application number
BR112023017994A
Other languages
English (en)
Inventor
Anan TAKADA
Kaname Maruyama
Tomohiro Ishibashi
Zuozhou Chen
Original Assignee
Daikin Ind 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 Daikin Ind Ltd filed Critical Daikin Ind Ltd
Publication of BR112023017994A2 publication Critical patent/BR112023017994A2/pt

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
    • F04D19/002—Axial flow 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/326—Rotors specially for elastic fluids for axial flow pumps for axial flow fans comprising a rotating shroud
    • 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
    • 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

Abstract

ventilador de hélice e aparelho de refrigeração. um ventilador de hélice (10) inclui uma lâmina (14) configurada para girar em torno de um eixo de rotação predeterminado (a) e um anel (16) conectado a uma extremidade da lâmina (20) da lâmina (14). a lâmina (14) inclui uma porção curvada (32) na lateral da extremidade da lâmina (20), a porção curvada (32) tendo, em uma direção radial rotacional da lâmina (14), um formato transversal que se projeta em direção a uma lateral da superfície de pressão de forma convexa. na porção curvada (32), quando uma altura da posição de uma raiz da lâmina (18) em uma linha de curvatura (36) em uma direção ao longo do eixo de rotação (a) é uma altura da direção axial (h) e a posição na qual a altura da direção axial (h) torna-se máxima na direção radial rotacional é uma posição de curva máxima (x2), a altura da direção axial (h) na posição de curva máxima (x2) é máxima em uma lateral da borda de fuga (24) da lâmina (14).
BR112023017994A 2021-03-12 2022-03-03 Ventilador de hélice e aparelho de refrigeração BR112023017994A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021040365 2021-03-12
PCT/JP2022/009150 WO2022191034A1 (ja) 2021-03-12 2022-03-03 プロペラファンおよび冷凍装置

Publications (1)

Publication Number Publication Date
BR112023017994A2 true BR112023017994A2 (pt) 2023-10-03

Family

ID=83227881

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023017994A BR112023017994A2 (pt) 2021-03-12 2022-03-03 Ventilador de hélice e aparelho de refrigeração

Country Status (6)

Country Link
US (1) US20230417249A1 (pt)
EP (1) EP4306808A1 (pt)
JP (1) JP2022140336A (pt)
CN (1) CN116997724A (pt)
BR (1) BR112023017994A2 (pt)
WO (1) WO2022191034A1 (pt)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211203U (pt) * 1975-07-14 1977-01-26
JP5418538B2 (ja) * 2011-04-28 2014-02-19 三菱電機株式会社 送風機
WO2014024305A1 (ja) * 2012-08-10 2014-02-13 三菱電機株式会社 プロペラファン、並びに、それを備えた送風機、空気調和機及び給湯用室外機
EP3085966B1 (en) * 2013-12-20 2020-05-20 Mitsubishi Electric Corporation Axial flow fan
CN110325745B (zh) * 2017-02-28 2021-05-11 三菱电机株式会社 螺旋桨式风扇、送风机以及空调机
SG11202002887QA (en) * 2017-09-29 2020-04-29 Carrier Corp Axial fan blade with wavy airfoil and trailing edge serrations
US20200240430A1 (en) * 2017-10-03 2020-07-30 Mitsubishi Electric Corporation Propeller fan and axial flow blower
WO2019150567A1 (ja) * 2018-02-02 2019-08-08 三菱電機株式会社 軸流送風機
US11022140B2 (en) * 2018-09-04 2021-06-01 Johnson Controls Technology Company Fan blade winglet
EP4145000A4 (en) * 2020-04-30 2023-06-28 Mitsubishi Electric Corporation Blower
JP6856165B2 (ja) 2020-10-19 2021-04-07 ダイキン工業株式会社 送風機、及び送風機を有する冷凍装置

Also Published As

Publication number Publication date
WO2022191034A1 (ja) 2022-09-15
JP2022140336A (ja) 2022-09-26
US20230417249A1 (en) 2023-12-28
EP4306808A1 (en) 2024-01-17
CN116997724A (zh) 2023-11-03

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