EP4006355A4 - BLADE FOR PROPELLER FAN, BLOWER AND OUTDOOR UNIT FOR AIR CONDITIONER - Google Patents

BLADE FOR PROPELLER FAN, BLOWER AND OUTDOOR UNIT FOR AIR CONDITIONER Download PDF

Info

Publication number
EP4006355A4
EP4006355A4 EP19939652.4A EP19939652A EP4006355A4 EP 4006355 A4 EP4006355 A4 EP 4006355A4 EP 19939652 A EP19939652 A EP 19939652A EP 4006355 A4 EP4006355 A4 EP 4006355A4
Authority
EP
European Patent Office
Prior art keywords
impeller
blower
air conditioning
outdoor unit
propeller fan
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.)
Pending
Application number
EP19939652.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4006355A1 (en
Inventor
Soki SAITO
Yoshiki Tabata
Yusuke Fukasawa
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.)
Carrier Japan Corp
Original Assignee
Toshiba Carrier 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 Toshiba Carrier Corp filed Critical Toshiba Carrier Corp
Publication of EP4006355A1 publication Critical patent/EP4006355A1/en
Publication of EP4006355A4 publication Critical patent/EP4006355A4/en
Pending 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
    • F04D29/26—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
    • F04D29/329—Details of the hub
    • 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
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
    • 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
    • F05D2250/00—Geometry
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/712—Shape curved concave
    • 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
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/11—Purpose of the control system to prolong engine life
    • F05D2270/114—Purpose of the control system to prolong engine life by limiting mechanical stresses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Other Air-Conditioning Systems (AREA)
EP19939652.4A 2019-07-31 2019-07-31 BLADE FOR PROPELLER FAN, BLOWER AND OUTDOOR UNIT FOR AIR CONDITIONER Pending EP4006355A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/029948 WO2021019710A1 (ja) 2019-07-31 2019-07-31 プロペラファンの羽根車、送風機、および空気調和機の室外機

Publications (2)

Publication Number Publication Date
EP4006355A1 EP4006355A1 (en) 2022-06-01
EP4006355A4 true EP4006355A4 (en) 2023-04-12

Family

ID=74229457

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19939652.4A Pending EP4006355A4 (en) 2019-07-31 2019-07-31 BLADE FOR PROPELLER FAN, BLOWER AND OUTDOOR UNIT FOR AIR CONDITIONER

Country Status (4)

Country Link
EP (1) EP4006355A4 (enrdf_load_stackoverflow)
JP (1) JP7245339B2 (enrdf_load_stackoverflow)
CN (1) CN114207290B (enrdf_load_stackoverflow)
WO (1) WO2021019710A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2025009070A1 (enrdf_load_stackoverflow) * 2023-07-04 2025-01-09

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS611897A (ja) * 1984-01-30 1986-01-07 Hitachi Ltd エアコンデイシヨナ用プロペラフアン
GB2265420A (en) * 1992-03-13 1993-09-29 Toshiba Kk Air-blower in which the fan is fixed on a motor shaft having rotation speed control means.
JPH0674196A (ja) * 1992-08-26 1994-03-15 Hitachi Ltd プロペラファンおよびこれを備えた空気調和機
JP2014001717A (ja) * 2012-06-20 2014-01-09 Mitsubishi Electric Corp 送風機、室外機及び冷凍サイクル装置
JP2017053301A (ja) * 2015-09-11 2017-03-16 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー（ホンコン）リミテッド プロペラファン及び空気調和機の室外機

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5870497U (ja) * 1981-11-06 1983-05-13 アイシン精機株式会社 内燃機関用冷却フアン
JP2005188325A (ja) 2003-12-24 2005-07-14 Calsonic Kansei Corp モータファンのアンバランス修正構造
JP4388992B1 (ja) * 2008-10-22 2009-12-24 シャープ株式会社 プロペラファン、流体送り装置および成型金型
CN106377043B (zh) * 2012-08-31 2019-11-08 夏普株式会社 送风装置
JP2019060322A (ja) * 2017-09-28 2019-04-18 日本電産株式会社 軸流ファン

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS611897A (ja) * 1984-01-30 1986-01-07 Hitachi Ltd エアコンデイシヨナ用プロペラフアン
GB2265420A (en) * 1992-03-13 1993-09-29 Toshiba Kk Air-blower in which the fan is fixed on a motor shaft having rotation speed control means.
JPH0674196A (ja) * 1992-08-26 1994-03-15 Hitachi Ltd プロペラファンおよびこれを備えた空気調和機
JP2014001717A (ja) * 2012-06-20 2014-01-09 Mitsubishi Electric Corp 送風機、室外機及び冷凍サイクル装置
JP2017053301A (ja) * 2015-09-11 2017-03-16 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー（ホンコン）リミテッド プロペラファン及び空気調和機の室外機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021019710A1 *

Also Published As

Publication number Publication date
WO2021019710A1 (ja) 2021-02-04
JPWO2021019710A1 (enrdf_load_stackoverflow) 2021-02-04
EP4006355A1 (en) 2022-06-01
JP7245339B2 (ja) 2023-03-23
CN114207290A (zh) 2022-03-18
CN114207290B (zh) 2023-11-10

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