EP0692076B1 - Radialgebläserad - Google Patents
Radialgebläserad Download PDFInfo
- Publication number
- EP0692076B1 EP0692076B1 EP95906325A EP95906325A EP0692076B1 EP 0692076 B1 EP0692076 B1 EP 0692076B1 EP 95906325 A EP95906325 A EP 95906325A EP 95906325 A EP95906325 A EP 95906325A EP 0692076 B1 EP0692076 B1 EP 0692076B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- openings
- fan wheel
- impeller
- radial
- radial fan
- 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.)
- Expired - Lifetime
Links
Images
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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
Definitions
- the invention preferably relates to a radial impeller on an electric motor, in particular on a vacuum cleaner electric motor, with an impeller disc on which preferably curved, one inside of the curvature and blades having a curved outside are formed, being in the impeller disk Through openings are formed.
- Such a radial impeller is for example from DE-OS 25 50 481 known.
- a radial impeller by means of the openings formed near the center an improvement in the delivery rate of the radial fan can be achieved.
- DE-PS24 18 826 is also on the DE-PS24 18 826 to point out.
- Even with this well-known Radial impeller becomes a through the openings Striving to improve performance.
- the radial impeller known from this publication are radially inside, assigned to a foot area individual blades each have a through opening. Here is through these openings aspiration back into the suction area.
- the Through openings near the blades, in the pressure area of the blades, namely formed on the outside of the curve are. It is particularly important that one blade has a plurality of through openings assigned. This majority of the through openings preferably spreads over essentially the entire extending towards a radial Length of a paddle wheel. Of further importance is the Overall context, the cross-sectional area, which through the through openings with respect to a - if necessary projected - base area of the impeller disc is taken. This from the through openings occupied area is preferably in the range of 0.01 to 10% of the specified area of the impeller disk. More preferably, the area is in the range of 0.1 to 5%.
- the addressed projected area is especially important for radial impellers which the impeller disc is not flat, but has a curved course.
- an opening axis of this opening is pointed Angle to an area of the fan wheel runs. This will extend the Extension of the through opening even in the wall the impeller disc is reached. This can also continue a targeted suction behavior has been achieved.
- a through opening is one has enlarged cross-section. E.g. can the through opening be funnel-shaped. In detail it is advantageous to use the larger cross section to form such a passage opening on the blade side.
- the appearance of the base of the through opening suitably is circular. But it can also be square and oval bases. In this It is also advantageous to look at the context Orientate manufacturing opportunities.
- Fig. 1 Is shown and described initially with reference to Fig. 1 is an impeller 1 with blades 2, which in their radial extension are curved.
- the blades 2 have an outside curvature 3 and an inside curvature 4.
- On the outside of the curve 3 are near or adjacent to a base line 5 of a blade 2 a A plurality of through openings 6 are formed.
- the Through openings 6 follow the curvature of the impeller. It can also be seen that the through openings 6 only with a certain radial distance a an axis of rotation A (see also FIG. 2) of the impeller 1 begin.
- the distance a is in the embodiment about half of a radius R of the impeller.
- the distance a is preferably in the range of 1/4 up to 2/3 of the radius R.
- impeller 1 to such with a central hub 7, which is approximately conical up to the Blower wheel disc 8 expanded.
- a central hub 7 which is approximately conical up to the Blower wheel disc 8 expanded.
- radially innermost through openings 6 in Area of a base line 9 of the hub 7 is formed.
- FIG. 5 is the installation of a such radial impeller 1 in a vacuum cleaner, the is only shown in sections. In particular, there is one in the vacuum cleaner - another one Detail, not shown - arranged electric motor 10.
- the electric motor 10 drives via a shaft 10 ' the radial impeller 1.
- the impeller 1 Air sucked in the direction of arrow P and through radial Distribution deflected in the direction of arrow P1.
- the Dust-laden suction air is fed into the electric motor 10 downstream dust bags, which in individual is not shown.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Supercharger (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Motor Or Generator Cooling System (AREA)
Description
- Fig. 1
- eine Rückansicht eines Gebläserades;
- Fig. 2
- eine Seitenansicht des Gebläserades gemäß Fig. 1;
- Fig. 3
- eine Vorderansicht des Gebläserades gemäß Fig. 1;
- Fig. 4
- eine perspektivische Ansicht des Gebläserades gemäß der Fig. 1 bis 3;
- Fig. 5
- ein Gebläserad gemäß den Fig. 1 bis 4, eingebaut in einen (teilweise dargestellten) Staubsauger.
Claims (6)
- Radialgebläserad (1) vorzugsweise an einem Elektromotor (10), insbesondere an einem Staubsauger-Elektromotor, mit einer Gebläseradscheibe (8), auf welcher vorzugsweise gekrümmt verlaufende, mit einer Krümmungsaußenseite (3) und einer Krümmungsinnenseite (4) ausgebildete Schaufeln (2) ausgebildet sind, wobei in der Gebläseradscheibe (8) Durchgangsöffnungen (6) ausgebildet sind, dadurch gekennzeichnet, daß nahe an einer Schaufel (2), auf einer an die Schaufel (2) angepaßten Radiuslinie, auf deren Krümmungsaußenseite (3) eine Mehrzahl von den Durchgangsöffnungen (6) ausgebildet sind.
- Radialgebläserad nach Anspruch 1, dadurch gekennzeichnet, daß die Durchgangsöffnungen (6) im wesentlichen über die gesamte Länge eines Schaufelrades (2) verteilt angeordnet sind, wobei jedoch bevorzugt ein radialinnerer Längenbereich des Schaufelrades (2) nicht mit Durchgangsöffnungen (6) versehen ist.
- Radialgebläserad nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß etwa 0,01 bis 10 %, vorzugsweise 0,1 bis 5 % einer projizierten Fläche der Gebläseradscheibe (8) von den Durchgangsöffnungen (6) eingenommen ist.
- Radialgebläserad nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Öffnungsachse in einem spitzen Winkel zu einer Erstreckungsfläche der Gebläseradscheibe (8) verläuft.
- Radialgebläserad nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Durchgangsöffnung (6) mit einem sich vergrößernden Querschnitt ausgebildet ist.
- Radialgebläserad nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der größere Querschnitt einer Durchgangsöffnung (6) schaufelseitig ausgebildet ist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SI9530084T SI0692076T1 (en) | 1994-02-03 | 1995-01-11 | Radial impeller |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4403224 | 1994-02-03 | ||
| DE4403224A DE4403224A1 (de) | 1994-02-03 | 1994-02-03 | Radialgebläserad |
| PCT/EP1995/000077 WO1995021330A1 (de) | 1994-02-03 | 1995-01-11 | Radialgebläserad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0692076A1 EP0692076A1 (de) | 1996-01-17 |
| EP0692076B1 true EP0692076B1 (de) | 1998-07-01 |
Family
ID=6509329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95906325A Expired - Lifetime EP0692076B1 (de) | 1994-02-03 | 1995-01-11 | Radialgebläserad |
Country Status (19)
| Country | Link |
|---|---|
| EP (1) | EP0692076B1 (de) |
| JP (1) | JP3490089B2 (de) |
| CN (1) | CN1076447C (de) |
| AT (1) | ATE167917T1 (de) |
| AU (1) | AU1455795A (de) |
| CA (1) | CA2159803A1 (de) |
| CZ (1) | CZ285753B6 (de) |
| DE (2) | DE4403224A1 (de) |
| DK (1) | DK0692076T3 (de) |
| ES (1) | ES2118556T3 (de) |
| FI (1) | FI954669A7 (de) |
| LV (1) | LV12170B (de) |
| MY (1) | MY111675A (de) |
| NO (1) | NO953829L (de) |
| PL (1) | PL175646B1 (de) |
| SI (1) | SI0692076T1 (de) |
| SK (1) | SK280010B6 (de) |
| TW (1) | TW315699U (de) |
| WO (1) | WO1995021330A1 (de) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10020878C2 (de) * | 2000-04-28 | 2002-05-02 | Verax Ventilatoren Gmbh | Lüfter insbesondere zur Belüftung von elektronischen Geräten |
| JP4426776B2 (ja) * | 2003-04-25 | 2010-03-03 | 株式会社やまびこ | 送風用遠心羽根車 |
| JP4453378B2 (ja) * | 2004-02-03 | 2010-04-21 | 日立工機株式会社 | 送風機 |
| CN100396937C (zh) * | 2005-01-26 | 2008-06-25 | 鸿进科技有限公司 | 气流产生结构及其应用装置 |
| ITPD20050116A1 (it) * | 2005-04-27 | 2006-10-28 | Ln 2 Srl | Sistema di circolazione forzata dell'aria per macchine asciugatrici e lavatrici-asciugatrici, particolarmente per uso domestico. |
| GB2444939A (en) * | 2006-12-22 | 2008-06-25 | Dyson Technology Ltd | A shaped member for an impeller rotor assembly |
| JP5295682B2 (ja) * | 2008-08-08 | 2013-09-18 | 株式会社東芝 | 電動送風機および電気掃除機 |
| FR2943103B1 (fr) * | 2009-03-13 | 2011-05-27 | Turbomeca | Compresseur axialo-centrifuge a angle de rake evolutif |
| CN104564805B (zh) * | 2013-10-29 | 2017-11-10 | 海尔集团公司 | 一种离心风机的扇叶结构、离心风机及嵌入式空调内机 |
| CN108266403A (zh) * | 2017-01-03 | 2018-07-10 | 珠海格力电器股份有限公司 | 离心风机及其叶轮总成 |
| CN107956742A (zh) * | 2017-05-27 | 2018-04-24 | 莱克电气股份有限公司 | 一种叶轮组件及空气净化器 |
| PL234932B1 (pl) * | 2018-03-19 | 2020-05-18 | Wroblewski Andrzej Przed Techniczno Handlowe Energowent | Wirnik wentylatora promieniowego |
| CN110319054B (zh) * | 2019-05-30 | 2020-09-18 | 宁波方太厨具有限公司 | 一种用于前向离心风机的叶轮 |
| CN110566501B (zh) * | 2019-09-12 | 2025-03-07 | 佛山市南海九洲普惠风机有限公司 | 一种前弯式风叶及叶轮及离心风机 |
| CN110905850B (zh) * | 2019-10-28 | 2025-09-16 | 天津怡和嘉业医疗科技有限公司 | 用于通气治疗设备的叶轮、风机以及通气治疗设备 |
| CN111043072B (zh) * | 2019-11-26 | 2022-03-08 | 奇鋐科技股份有限公司 | 盘式扇轮结构 |
| US11365750B2 (en) | 2019-12-27 | 2022-06-21 | Asia Vital Components Co., Ltd. | Tray-type fan impeller structure |
| CN112096664B (zh) * | 2020-09-28 | 2022-05-27 | 江苏释元环保科技有限公司 | 一种用于通风换气系统的风机 |
| TWI912761B (zh) * | 2024-04-26 | 2026-01-21 | 台達電子工業股份有限公司 | 風扇轉子及其製造方法 |
| CN120845386A (zh) | 2024-04-26 | 2025-10-28 | 台达电子工业股份有限公司 | 风扇转子及其制造方法 |
| CN120140270B (zh) * | 2025-04-27 | 2026-03-27 | 江苏恒康机电有限公司 | 一种高比转速离心通风机叶轮 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE676527C (de) * | 1936-12-11 | 1939-06-06 | Ventilatorzug M B H Ges | Fliehkraftgeblaese |
| US3165257A (en) * | 1962-10-03 | 1965-01-12 | Howard C Edwards | Pressure inducer |
| DE2418826B2 (de) * | 1974-04-19 | 1977-06-02 | W.C. Heraeus Gmbh, 6450 Hanau | Waermekammer |
| DE2550481C3 (de) * | 1975-11-11 | 1978-09-28 | Motoren- Und Turbinen-Union Friedrichshafen Gmbh, 7990 Friedrichshafen | Kühlvorrichtung für das Kühlmittel einer flüssigkeitsgekühlten Brennkraftmaschine |
| JPS6166898A (ja) * | 1984-09-07 | 1986-04-05 | Matsushita Electric Ind Co Ltd | 電動送風機 |
| SE467982B (sv) * | 1990-12-19 | 1992-10-12 | Kamyr Ab | Suspensionspump med inbyggd vakuumpump, vilken vakuumpump har variabel kapacitet |
| DE4141359A1 (de) * | 1991-12-14 | 1993-06-17 | Sel Alcatel Ag | Geblaeserad fuer radialgeblaese |
-
1994
- 1994-02-03 DE DE4403224A patent/DE4403224A1/de not_active Withdrawn
-
1995
- 1995-01-11 SK SK1204-95A patent/SK280010B6/sk unknown
- 1995-01-11 JP JP52033995A patent/JP3490089B2/ja not_active Expired - Fee Related
- 1995-01-11 FI FI954669A patent/FI954669A7/fi unknown
- 1995-01-11 AU AU14557/95A patent/AU1455795A/en not_active Abandoned
- 1995-01-11 CN CN95190061A patent/CN1076447C/zh not_active Expired - Fee Related
- 1995-01-11 AT AT95906325T patent/ATE167917T1/de not_active IP Right Cessation
- 1995-01-11 CA CA002159803A patent/CA2159803A1/en not_active Abandoned
- 1995-01-11 SI SI9530084T patent/SI0692076T1/xx not_active IP Right Cessation
- 1995-01-11 WO PCT/EP1995/000077 patent/WO1995021330A1/de not_active Ceased
- 1995-01-11 DK DK95906325T patent/DK0692076T3/da active
- 1995-01-11 ES ES95906325T patent/ES2118556T3/es not_active Expired - Lifetime
- 1995-01-11 CZ CZ952423A patent/CZ285753B6/cs unknown
- 1995-01-11 EP EP95906325A patent/EP0692076B1/de not_active Expired - Lifetime
- 1995-01-11 DE DE59502674T patent/DE59502674D1/de not_active Expired - Fee Related
- 1995-01-11 PL PL95310814A patent/PL175646B1/pl not_active IP Right Cessation
- 1995-01-25 MY MYPI95000167A patent/MY111675A/en unknown
- 1995-03-27 TW TW086206602U patent/TW315699U/zh unknown
- 1995-09-28 NO NO953829A patent/NO953829L/no unknown
-
1998
- 1998-09-16 LV LVP-98-178A patent/LV12170B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATE167917T1 (de) | 1998-07-15 |
| CN1076447C (zh) | 2001-12-19 |
| CA2159803A1 (en) | 1995-08-10 |
| LV12170A (lv) | 1998-11-20 |
| WO1995021330A1 (de) | 1995-08-10 |
| NO953829D0 (no) | 1995-09-28 |
| LV12170B (lv) | 1999-01-20 |
| MY111675A (en) | 2000-10-31 |
| SI0692076T1 (en) | 1999-02-28 |
| CZ242395A3 (en) | 1996-02-14 |
| FI954669A0 (fi) | 1995-10-02 |
| CN1123050A (zh) | 1996-05-22 |
| DK0692076T3 (da) | 1999-04-12 |
| ES2118556T3 (es) | 1998-09-16 |
| NO953829L (no) | 1995-09-28 |
| PL310814A1 (en) | 1996-01-08 |
| AU1455795A (en) | 1995-08-21 |
| TW315699U (en) | 1997-09-11 |
| SK120495A3 (en) | 1996-02-07 |
| FI954669L (fi) | 1995-10-02 |
| FI954669A7 (fi) | 1995-10-02 |
| JP3490089B2 (ja) | 2004-01-26 |
| CZ285753B6 (cs) | 1999-10-13 |
| DE59502674D1 (de) | 1998-08-06 |
| EP0692076A1 (de) | 1996-01-17 |
| SK280010B6 (sk) | 1999-07-12 |
| PL175646B1 (pl) | 1999-01-29 |
| JPH08508806A (ja) | 1996-09-17 |
| DE4403224A1 (de) | 1995-08-10 |
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