EP3904696A4 - Centrifugal blower, blower device, air conditioner, and refrigeration cycle device - Google Patents

Centrifugal blower, blower device, air conditioner, and refrigeration cycle device Download PDF

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Publication number
EP3904696A4
EP3904696A4 EP18944300.5A EP18944300A EP3904696A4 EP 3904696 A4 EP3904696 A4 EP 3904696A4 EP 18944300 A EP18944300 A EP 18944300A EP 3904696 A4 EP3904696 A4 EP 3904696A4
Authority
EP
European Patent Office
Prior art keywords
blower
air conditioner
refrigeration cycle
centrifugal blower
cycle device
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.)
Granted
Application number
EP18944300.5A
Other languages
German (de)
French (fr)
Other versions
EP3904696B1 (en
EP3904696A1 (en
Inventor
Takuya Teramoto
Hiroyasu Hayashi
Kazuya MICHIKAMI
Ryo Horie
Takahiro Yamatani
Hiroshi Tsutsumi
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
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3904696A1 publication Critical patent/EP3904696A1/en
Publication of EP3904696A4 publication Critical patent/EP3904696A4/en
Application granted granted Critical
Publication of EP3904696B1 publication Critical patent/EP3904696B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • 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
    • F04D29/44—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
    • 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
    • F05D2250/51—Inlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Sorption Type Refrigeration Machines (AREA)
EP18944300.5A 2018-12-27 2018-12-27 Centrifugal blower, blower device, air conditioner, and refrigeration cycle device Active EP3904696B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/048063 WO2020136788A1 (en) 2018-12-27 2018-12-27 Centrifugal blower, blower device, air conditioner, and refrigeration cycle device

Publications (3)

Publication Number Publication Date
EP3904696A1 EP3904696A1 (en) 2021-11-03
EP3904696A4 true EP3904696A4 (en) 2022-02-16
EP3904696B1 EP3904696B1 (en) 2023-04-26

Family

ID=71126179

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18944300.5A Active EP3904696B1 (en) 2018-12-27 2018-12-27 Centrifugal blower, blower device, air conditioner, and refrigeration cycle device

Country Status (5)

Country Link
EP (1) EP3904696B1 (en)
JP (1) JP7130061B2 (en)
CN (1) CN113195903B (en)
ES (1) ES2945787T3 (en)
WO (1) WO2020136788A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114234286B (en) * 2021-12-10 2023-03-28 珠海格力电器股份有限公司 Air conditioner

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5215437A (en) * 1991-12-19 1993-06-01 Carrier Corporation Inlet orifice and centrifugal flow fan assembly
US5478201A (en) * 1994-06-13 1995-12-26 Carrier Corporation Centrifugal fan inlet orifice and impeller assembly
US6042335A (en) * 1998-05-04 2000-03-28 Carrier Corporation Centrifugal flow fan and fan/orifice assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4276363B2 (en) * 2000-07-31 2009-06-10 株式会社小松製作所 Method for forming porous sound absorbing material used for noise reduction mechanism of fan device
JP2004316448A (en) * 2003-04-11 2004-11-11 Daikin Ind Ltd Centrifugal blower
US7014422B2 (en) * 2003-06-13 2006-03-21 American Standard International Inc. Rounded blower housing with increased airflow
CN100375850C (en) * 2003-07-25 2008-03-19 乐金电子(天津)电器有限公司 Belling arrangement for centrifugal fans
US7186080B2 (en) * 2004-08-11 2007-03-06 American Standard International Inc. Fan inlet and housing for a centrifugal blower whose impeller has forward curved fan blades
JP6634929B2 (en) * 2015-12-16 2020-01-22 株式会社デンソー Centrifugal blower

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5215437A (en) * 1991-12-19 1993-06-01 Carrier Corporation Inlet orifice and centrifugal flow fan assembly
US5478201A (en) * 1994-06-13 1995-12-26 Carrier Corporation Centrifugal fan inlet orifice and impeller assembly
US6042335A (en) * 1998-05-04 2000-03-28 Carrier Corporation Centrifugal flow fan and fan/orifice assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020136788A1 *

Also Published As

Publication number Publication date
CN113195903A (en) 2021-07-30
EP3904696B1 (en) 2023-04-26
CN113195903B (en) 2023-02-03
JPWO2020136788A1 (en) 2021-09-09
WO2020136788A1 (en) 2020-07-02
JP7130061B2 (en) 2022-09-02
EP3904696A1 (en) 2021-11-03
ES2945787T3 (en) 2023-07-07

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