EP3922860A4 - Centrifugal air blower and air conditioner using same - Google Patents
Centrifugal air blower and air conditioner using same Download PDFInfo
- Publication number
- EP3922860A4 EP3922860A4 EP19914580.6A EP19914580A EP3922860A4 EP 3922860 A4 EP3922860 A4 EP 3922860A4 EP 19914580 A EP19914580 A EP 19914580A EP 3922860 A4 EP3922860 A4 EP 3922860A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- same
- centrifugal
- air conditioner
- air
- air blower
- 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
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
- F04D29/28—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
- 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
- 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
- F05D2240/301—Cross-sectional characteristics
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/004355 WO2020161850A1 (en) | 2019-02-07 | 2019-02-07 | Centrifugal air blower and air conditioner using same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3922860A1 EP3922860A1 (en) | 2021-12-15 |
EP3922860A4 true EP3922860A4 (en) | 2022-02-16 |
Family
ID=71948121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19914580.6A Pending EP3922860A4 (en) | 2019-02-07 | 2019-02-07 | Centrifugal air blower and air conditioner using same |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3922860A4 (en) |
JP (1) | JP7003301B2 (en) |
CN (1) | CN113439163A (en) |
WO (1) | WO2020161850A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2275689A1 (en) * | 2008-05-14 | 2011-01-19 | Daikin Industries, Ltd. | Centrifugal fan |
US20150316073A1 (en) * | 2014-05-05 | 2015-11-05 | Ziehl-Abegg Se | Impeller wheel for diagonal or radial fans, injection molding tool for manufacturing such an impeller wheel, and device comprising such an impeller wheel |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3260544B2 (en) * | 1994-04-06 | 2002-02-25 | 松下精工株式会社 | Multi-wing fan |
JP2000146214A (en) * | 1998-11-02 | 2000-05-26 | Matsushita Refrig Co Ltd | Air conditioner |
JP5473497B2 (en) * | 2009-09-03 | 2014-04-16 | 三菱重工業株式会社 | Multiblade centrifugal fan and air conditioner using the same |
JP2013060916A (en) * | 2011-09-14 | 2013-04-04 | Sanyo Electric Co Ltd | Centrifugal fan, and air conditioner using the same |
JP2014029149A (en) * | 2012-06-26 | 2014-02-13 | Denso Corp | Centrifugal multi-blade fan |
CN103174672B (en) * | 2013-04-02 | 2016-01-13 | 宁波朗迪叶轮机械有限公司 | BI oblique flow wind pushing impeller |
US10036400B2 (en) * | 2014-05-02 | 2018-07-31 | Regal Beloit America, Inc. | Centrifugal fan assembly and methods of assembling the same |
WO2017060987A1 (en) * | 2015-10-07 | 2017-04-13 | 三菱電機株式会社 | Blower and air conditioning device provided with same |
JP2017078386A (en) * | 2015-10-22 | 2017-04-27 | パナソニックIpマネジメント株式会社 | Centrifugal fan |
-
2019
- 2019-02-07 WO PCT/JP2019/004355 patent/WO2020161850A1/en unknown
- 2019-02-07 EP EP19914580.6A patent/EP3922860A4/en active Pending
- 2019-02-07 JP JP2020570283A patent/JP7003301B2/en active Active
- 2019-02-07 CN CN201980090355.5A patent/CN113439163A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2275689A1 (en) * | 2008-05-14 | 2011-01-19 | Daikin Industries, Ltd. | Centrifugal fan |
US20150316073A1 (en) * | 2014-05-05 | 2015-11-05 | Ziehl-Abegg Se | Impeller wheel for diagonal or radial fans, injection molding tool for manufacturing such an impeller wheel, and device comprising such an impeller wheel |
Also Published As
Publication number | Publication date |
---|---|
EP3922860A1 (en) | 2021-12-15 |
WO2020161850A1 (en) | 2020-08-13 |
JP7003301B2 (en) | 2022-01-20 |
CN113439163A (en) | 2021-09-24 |
JPWO2020161850A1 (en) | 2021-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
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 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20210715 |
|
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 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20220114 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04D 29/28 20060101ALI20220110BHEP Ipc: F04D 29/66 20060101ALI20220110BHEP Ipc: F04D 29/30 20060101AFI20220110BHEP |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20231115 |