EP4530477A4 - SPIRAL HOUSING, BLOWER AND AIR CONDITIONER - Google Patents

SPIRAL HOUSING, BLOWER AND AIR CONDITIONER

Info

Publication number
EP4530477A4
EP4530477A4 EP23939398.6A EP23939398A EP4530477A4 EP 4530477 A4 EP4530477 A4 EP 4530477A4 EP 23939398 A EP23939398 A EP 23939398A EP 4530477 A4 EP4530477 A4 EP 4530477A4
Authority
EP
European Patent Office
Prior art keywords
blower
air conditioner
spiral housing
spiral
housing
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
EP23939398.6A
Other languages
German (de)
French (fr)
Other versions
EP4530477A1 (en
Inventor
Qianqian Wang
Yanyan Wei
Dinghan Zhong
Guanghui Xia
Jinhuang Lin
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Publication of EP4530477A1 publication Critical patent/EP4530477A1/en
Publication of EP4530477A4 publication Critical patent/EP4530477A4/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
    • F04D29/40—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
    • F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
    • 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
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • F04D29/40—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
    • F04D29/422—Discharge tongues
    • 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
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F04D29/4246—Fan casings comprising more than one outlet
    • 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
    • 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
    • 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
    • F05D2250/20—Three-dimensional
    • F05D2250/29—Three-dimensional machined; miscellaneous
    • F05D2250/291—Three-dimensional machined; miscellaneous hollowed
    • 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
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0022—Centrifugal or radial fans

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)
EP23939398.6A 2023-05-26 2023-12-22 SPIRAL HOUSING, BLOWER AND AIR CONDITIONER Pending EP4530477A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202310615109.5A CN116517883B (en) 2023-05-26 2023-05-26 Casings, fans and air conditioners
PCT/CN2023/141281 WO2024244430A1 (en) 2023-05-26 2023-12-22 Volute, fan and air conditioner

Publications (2)

Publication Number Publication Date
EP4530477A1 EP4530477A1 (en) 2025-04-02
EP4530477A4 true EP4530477A4 (en) 2025-12-31

Family

ID=87394207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23939398.6A Pending EP4530477A4 (en) 2023-05-26 2023-12-22 SPIRAL HOUSING, BLOWER AND AIR CONDITIONER

Country Status (3)

Country Link
EP (1) EP4530477A4 (en)
CN (1) CN116517883B (en)
WO (1) WO2024244430A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114562807A (en) * 2022-03-28 2022-05-31 珠海格力电器股份有限公司 Air duct assembly and air conditioner indoor unit with same
CN116517883B (en) * 2023-05-26 2025-11-21 珠海格力电器股份有限公司 Casings, fans and air conditioners
CN116951722B (en) * 2023-08-07 2025-10-24 珠海格力电器股份有限公司 Air duct structure and air conditioner

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566510A (en) * 2019-09-02 2019-12-13 珠海格力电器股份有限公司 Volute, centrifugal fan and air conditioner
CN210440279U (en) * 2019-09-02 2020-05-01 珠海格力电器股份有限公司 Volute, centrifugal fan and air conditioner
CN218846415U (en) * 2022-12-21 2023-04-11 珠海格力电器股份有限公司 Flow guide structure and air conditioner with same
CN218915142U (en) * 2022-12-21 2023-04-25 珠海格力电器股份有限公司 Air conditioner

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3764442B2 (en) * 2002-09-05 2006-04-05 三菱電機株式会社 Stabilizers for air conditioners, cross-flow fans and cross-flow fans
JP4631941B2 (en) * 2008-07-18 2011-02-16 株式会社デンソー Centrifugal blower
CN108612674A (en) * 2018-03-22 2018-10-02 海信科龙电器股份有限公司 Centrifugal fan and air conditioner
CN110439860B (en) * 2018-05-04 2025-04-15 宁波方太厨具有限公司 A volute structure of a centrifugal fan
CN110864009B (en) * 2019-12-04 2025-10-28 珠海格力电器股份有限公司 Volute structure and fan having the same
CN111997935B (en) * 2020-08-27 2022-06-07 华电章丘发电有限公司 A noise reduction volute tongue structure and centrifugal fan
CN214577815U (en) * 2021-01-25 2021-11-02 青岛海尔智能技术研发有限公司 a centrifugal fan
CN113090587B (en) * 2021-05-18 2022-07-22 江西斯米克陶瓷有限公司 Conveying device for ceramic tile process spray tower
CN216714810U (en) * 2021-06-22 2022-06-10 珠海格力电器股份有限公司 Volute and warmer
CN114962294B (en) * 2021-07-19 2025-08-08 青岛经济技术开发区海尔热水器有限公司 Noise-reducing centrifugal fan and gas water heater
CN216044629U (en) * 2021-11-01 2022-03-15 北京小米移动软件有限公司 Centrifugal ducts, air handling units and air conditioners
CN116517883B (en) * 2023-05-26 2025-11-21 珠海格力电器股份有限公司 Casings, fans and air conditioners

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566510A (en) * 2019-09-02 2019-12-13 珠海格力电器股份有限公司 Volute, centrifugal fan and air conditioner
CN210440279U (en) * 2019-09-02 2020-05-01 珠海格力电器股份有限公司 Volute, centrifugal fan and air conditioner
CN218846415U (en) * 2022-12-21 2023-04-11 珠海格力电器股份有限公司 Flow guide structure and air conditioner with same
CN218915142U (en) * 2022-12-21 2023-04-25 珠海格力电器股份有限公司 Air conditioner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024244430A1 *

Also Published As

Publication number Publication date
CN116517883A (en) 2023-08-01
CN116517883B (en) 2025-11-21
WO2024244430A1 (en) 2024-12-05
EP4530477A1 (en) 2025-04-02

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