EP2937570A4 - CENTRIFUGAL FAN - Google Patents

CENTRIFUGAL FAN

Info

Publication number: EP2937570A4
Authority: EP; European Patent Office
Prior art keywords: centrifugal fan; centrifugal; fan
Prior art date: 2012-12-21
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP13865117.9A

Other languages

German (de)

French (fr)

Other versions

EP2937570A1 (en

Inventor

Tooru Iwata

Kaname Maruyama

Shimei Tei

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.)

Daikin Industries Ltd

Original Assignee

Daikin Industries 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.)

2012-12-21

Filing date

2013-12-18

Publication date

2016-08-24

2013-12-18 Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd

2015-10-28 Publication of EP2937570A1 publication Critical patent/EP2937570A1/en

2016-08-24 Publication of EP2937570A4 publication Critical patent/EP2937570A4/en

Status Withdrawn legal-status Critical Current

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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- 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
- F04D29/288—Part of the wheel having an ejecting effect, e.g. being bladeless diffuser
- 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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)

EP13865117.9A 2012-12-21 2013-12-18 CENTRIFUGAL FAN Withdrawn EP2937570A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2012278769		2012-12-21
PCT/JP2013/007447 WO2014097627A1 (en)	2012-12-21	2013-12-18	Centrifugal fan

Publications (2)

Publication Number	Publication Date
EP2937570A1 EP2937570A1 (en)	2015-10-28
EP2937570A4 true EP2937570A4 (en)	2016-08-24

Family

ID=50977986

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP13865117.9A Withdrawn EP2937570A4 (en)	2012-12-21	2013-12-18	CENTRIFUGAL FAN

Country Status (6)

Country	Link
US (1)	US20150354584A1 (en)
EP (1)	EP2937570A4 (en)
JP (1)	JP5522306B1 (en)
CN (1)	CN104903590B (en)
BR (1)	BR112015014728A2 (en)
WO (1)	WO2014097627A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP5705945B1 (en) *	2013-10-28	2015-04-22	ミネベア株式会社	Centrifugal fan
JP6333102B2 (en) *	2014-07-22	2018-05-30	ミネベアミツミ株式会社	Centrifugal fan
US9976757B2 (en) *	2015-04-29	2018-05-22	Schneider Electric It Corporation	Airfoil frame for computer room air conditioning unit
DE102017223828A1 (en) *	2017-12-27	2019-06-27	Wilhelm Bruckbauer	Extractor device for extracting cooking fumes downwards
EP3647603A1 (en)	2018-10-31	2020-05-06	Carrier Corporation	Arrangement of centrifugal impeller of a fan for reducing noise
KR20220033358A (en)	2020-09-09	2022-03-16	삼성전자주식회사	Fan, air conditioner having fan, and menufacturing method of fan
US12049898B2 (en) *	2021-10-29	2024-07-30	Jiangsu Guorun Electric Co., Ltd.	Air-flow channel structure of air pump, micro air pump, waterproof air pump, and inflatable product
CN114483619B (en) *	2021-12-27	2024-10-29	卡富环球有限公司	Mixed flow impeller, mixed flow fan, air purifier and household appliance

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2213882A1 (en) *	2007-11-26	2010-08-04	Daikin Industries, Ltd.	Centrifugal fan
DE102011013841A1 (en) *	2011-03-14	2012-09-20	Nicotra Gebhardt GmbH	Wheel of radial fan for air conditioner in motor vehicle, has inclined blades whose leading edges are extended in direction of support disc with radial direction component and circumferential direction component

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4231706A (en) *	1977-04-27	1980-11-04	Hitachi, Ltd.	Impeller of a centrifugal blower
JPS6023300U (en) *	1983-07-26	1985-02-18	川崎重工業株式会社	Dust adhesion prevention device for fan impeller
JP3774552B2 (en)	1997-10-03	2006-05-17	株式会社日立産機システム	Air purifier
US6042335A (en) *	1998-05-04	2000-03-28	Carrier Corporation	Centrifugal flow fan and fan/orifice assembly
JP3391318B2 (en) *	1999-11-16	2003-03-31	ダイキン工業株式会社	Centrifugal fan and air conditioner equipped with the fan
EP1455094A1 (en)	2003-03-04	2004-09-08	Ziehl-Abegg AG	Radial flow impeller
CN100406746C (en) *	2004-03-23	2008-07-30	三菱重工业株式会社	Centrifugal compressor and manufacturing method for impeller
JP2009127541A (en) *	2007-11-26	2009-06-11	Daikin Ind Ltd	Centrifugal fan
JP5012836B2 (en) *	2007-11-26	2012-08-29	ダイキン工業株式会社	Centrifugal fan
JP4502057B2 (en) *	2008-09-29	2010-07-14	ダイキン工業株式会社	Indoor unit of floor type air conditioner
JP5164932B2 (en) *	2009-06-11	2013-03-21	三菱電機株式会社	Turbofan and air conditioner
JP4844678B2 (en) *	2010-02-10	2011-12-28	ダイキン工業株式会社	Centrifugal blower

2013
- 2013-12-13 JP JP2013258100A patent/JP5522306B1/en active Active
- 2013-12-18 CN CN201380063138.XA patent/CN104903590B/en not_active Expired - Fee Related
- 2013-12-18 BR BR112015014728A patent/BR112015014728A2/en not_active Application Discontinuation
- 2013-12-18 EP EP13865117.9A patent/EP2937570A4/en not_active Withdrawn
- 2013-12-18 US US14/654,391 patent/US20150354584A1/en not_active Abandoned
- 2013-12-18 WO PCT/JP2013/007447 patent/WO2014097627A1/en active Application Filing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2213882A1 (en) *	2007-11-26	2010-08-04	Daikin Industries, Ltd.	Centrifugal fan
DE102011013841A1 (en) *	2011-03-14	2012-09-20	Nicotra Gebhardt GmbH	Wheel of radial fan for air conditioner in motor vehicle, has inclined blades whose leading edges are extended in direction of support disc with radial direction component and circumferential direction component

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014097627A1 *

Also Published As

Publication number	Publication date
JP5522306B1 (en)	2014-06-18
JP2014139432A (en)	2014-07-31
EP2937570A1 (en)	2015-10-28
BR112015014728A2 (en)	2017-07-11
US20150354584A1 (en)	2015-12-10
WO2014097627A1 (en)	2014-06-26
CN104903590B (en)	2016-03-09
CN104903590A (en)	2015-09-09

Publication	Publication Date	Title
EP2960526A4 (en)	2016-07-27	CENTRIFUGAL COMPRESSOR
EP3586971C0 (en)	2023-07-26	CENTRIFUGE
DE112013006148A5 (en)	2015-09-03	centrifugal pendulum
ES3006885T3 (en)	2025-03-19	Centrifugal fan device
DE112013003396A5 (en)	2015-03-26	centrifugal pendulum
DE112012004941A5 (en)	2014-08-28	centrifugal pendulum
BR112015012444A2 (en)	2017-07-11	Centrifugal pump
BR112014000912A2 (en)	2017-02-21	fan
BR112014005328A2 (en)	2017-04-04	centrifugal separator
DE112012003895A5 (en)	2014-06-12	centrifugal pendulum
DE112013003577A5 (en)	2015-04-16	centrifugal pendulum
DE112013002503A5 (en)	2015-05-07	centrifugal pendulum
EP2937570A4 (en)	2016-08-24	CENTRIFUGAL FAN
EP2729798A4 (en)	2015-03-04	MICRO-FLUID CENTRIFUGAL PLATFORM
EP2833521A4 (en)	2015-06-24	STATOR
DE102012102142A8 (en)	2012-11-29	fan
EP2829733A4 (en)	2015-10-28	Centrifugal fan
DE112012002476A5 (en)	2014-03-13	centrifugal pendulum
DK2567097T3 (en)	2019-08-26	centrifugal
DE112013003401A5 (en)	2015-04-23	centrifugal pendulum
BR112013010762A2 (en)	2016-08-09	centrifugal separator
EP2947323A4 (en)	2016-10-26	CENTRIFUGAL PUMP
DE102013106679A8 (en)	2014-04-03	FAN ASSEMBLY
EP2808555A4 (en)	2015-09-02	CENTRIFUGAL COMPRESSOR
DK2822694T3 (en)	2021-09-13	CENTRIFUGAL SEPARATOR

Legal Events

Date	Code	Title	Description
2015-09-25	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2015-10-28	17P	Request for examination filed	Effective date: 20150608
2015-10-28	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2015-10-28	AX	Request for extension of the european patent	Extension state: BA ME
2016-03-30	DAX	Request for extension of the european patent (deleted)
2016-08-24	A4	Supplementary search report drawn up and despatched	Effective date: 20160721
2016-08-24	RIC1	Information provided on ipc code assigned before grant	Ipc: F04D 29/44 20060101ALI20160715BHEP Ipc: F04D 29/30 20060101AFI20160715BHEP Ipc: F04D 29/28 20060101ALI20160715BHEP
2017-04-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2017-08-18	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2017-09-20	18D	Application deemed to be withdrawn	Effective date: 20170221