EP3904696A4 - Centrifugal blower, blower device, air conditioner, and refrigeration cycle device - Google Patents
Centrifugal blower, blower device, air conditioner, and refrigeration cycle device Download PDFInfo
- 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
Links
- 238000005057 refrigeration Methods 0.000 title 1
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)
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)
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)
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)
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 |
-
2018
- 2018-12-27 ES ES18944300T patent/ES2945787T3/en active Active
- 2018-12-27 JP JP2020562037A patent/JP7130061B2/en active Active
- 2018-12-27 EP EP18944300.5A patent/EP3904696B1/en active Active
- 2018-12-27 CN CN201880100304.1A patent/CN113195903B/en active Active
- 2018-12-27 WO PCT/JP2018/048063 patent/WO2020136788A1/en unknown
Patent Citations (3)
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)
Title |
---|
See also references of WO2020136788A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP3904696A1 (en) | 2021-11-03 |
ES2945787T3 (en) | 2023-07-07 |
JPWO2020136788A1 (en) | 2021-09-09 |
EP3904696B1 (en) | 2023-04-26 |
WO2020136788A1 (en) | 2020-07-02 |
CN113195903A (en) | 2021-07-30 |
CN113195903B (en) | 2023-02-03 |
JP7130061B2 (en) | 2022-09-02 |
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