EP1387962A2 - Laufrad - Google Patents
LaufradInfo
- Publication number
- EP1387962A2 EP1387962A2 EP02769136A EP02769136A EP1387962A2 EP 1387962 A2 EP1387962 A2 EP 1387962A2 EP 02769136 A EP02769136 A EP 02769136A EP 02769136 A EP02769136 A EP 02769136A EP 1387962 A2 EP1387962 A2 EP 1387962A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- impeller
- blades
- full
- clutch
- wheel
- 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.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 206010041662 Splinter Diseases 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 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
- F04D29/66—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
- F04D29/662—Balancing of rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
-
- 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
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
-
- 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 relates to an impeller according to the preamble of the first claim.
- impellers are used as radial fans or as
- Compressor wheel used for an exhaust gas turbocharger The problem with these wheels is the noise, which is often perceived as unpleasant.
- a common measure for noise reduction is to equip the impeller with full and splinter blades. Such an embodiment is known from EP 0 439 267 B1.
- the number of full blades on this impeller may not be the same as the number of fragment blades.
- the object on which the invention is based is seen in further reducing the noise emission of an impeller.
- the solid blades and splinter blades be arranged at different angular distances and in a different order. This significantly reduces the noise level. Thanks to the constructive measures, the sound power is distributed over several individual tones, the intensity of which is correspondingly lower. Another advantage is that the efficiency and power consumption of the impeller remain almost constant.
- an alternative material such as aluminum, the moment of inertia of the impeller is reduced. In practice, this means that e.g. B. with an impeller with a diameter of 670 mm, a significantly better response is achieved.
- Figure 1 an impeller in 3D view
- Figure 2 a sectional view of the impeller, top view
- Figure 3 a sectional view of the impeller, side view
- FIG. 4 an impeller with an integrated clutch
- an impeller 1 in particular a radial fan wheel or compressor wheel.
- This consists of a cover plate 2, a base plate 3, a hub 6 with a mounting hole 7 and blades.
- the blades of the impeller 1 are designed as solid blades 4 and splinter blades 5.
- the geometry of the full blades and splinter blades are identical here, since the splitter blade is part of the full blade.
- the full blades 4 and splinter blades 5 are arranged at different angular distances and in a different order. The arrangement or sequence can be seen from the sectional view of FIG. 2.
- the splitter vane 5.1 is followed by a full vane 4.1, then a splitter vane 5.2., Followed by four full vanes, reference numerals 4.2 to 4.5, and a splitter vane 5.3. Due to the different angular spacing and the different sequence, the noise development is further reduced while the efficiency and power consumption remain almost the same. The level and frequency of the disturbing noises, which are perceived as unpleasant, are reduced by these measures and distributed over a broader frequency band. Thanks to the constructive measures, the sound power is distributed over several individual tones, the intensity of which is correspondingly lower.
- the impeller 1 preferably consists of an alternative material, for example aluminum. This results in a significant reduction in the moment of inertia.
- the impeller 1 shown in FIG. 1 additionally has balancing bores 8. An unbalance of the impeller 1 is compensated for by means of these balancing bores 8. From this results a reduction in production costs, since additional balancing weights no longer have to be attached.
- a first area 15 and a second area 16 are shown in FIG. Only full blades 4 are arranged in the first region 15. Both full and splinter blades are arranged in the second region 16.
- the sequence of the solid blades, reference numerals 4.1 to 4.6, and the fragment blades, reference numerals 5.1 to 5.4, is irregular.
- the angles on the air inlet side and the air outlet side between two blades are identical.
- the angle x1 between the splitter vane 5.1 and the full vane 4.1 thus corresponds to the angle x2.
- the angle y 1 between the full blade 4.1 and the splitter blade 5.2 corresponds to the angle y2.
- the angles between them are different, i.e. x1 not equal to y1 and not equal to z1 applies.
- the overall rule is that the sequence of the full blades 4 and splitter blades 5 is not rotationally symmetrical, also not in segments.
- FIG. 3 shows a sectional view of the impeller 1 in a side view.
- the direction of air flow is marked with arrows.
- the air is conveyed radially outwards from the impeller 1 in the axial direction, that is to say seen from above in the drawing direction.
- the arrangement of the full and splinter vane between the cover plate 2 and the base plate 3 can be seen from FIG.
- FIG. 4 shows a sectional view of the impeller 1 with an integrated clutch and clutch housing 9.
- the clutch 9 is integrated on the rear 13 in the impeller 1. This has the advantage that a higher packing density is achieved with a constant overall height of the impeller.
- Reference number 10 denotes the connection for a housing, for example a gear housing.
- the impeller 1 is detachably connected from the front 12 via a screw 14 to a wheel holder 11.
- the wheel holder 1 1 is in turn firmly connected to the clutch and the clutch housing 9.
- the impeller 1 is activated or deactivated via the state of the clutch 9. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Supercharger (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10122516 | 2001-05-09 | ||
| DE10122516A DE10122516B4 (de) | 2001-05-09 | 2001-05-09 | Laufrad |
| PCT/EP2002/004920 WO2002090776A2 (de) | 2001-05-09 | 2002-05-04 | Laufrad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1387962A2 true EP1387962A2 (de) | 2004-02-11 |
Family
ID=7684151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02769136A Withdrawn EP1387962A2 (de) | 2001-05-09 | 2002-05-04 | Laufrad |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20040202539A1 (de) |
| EP (1) | EP1387962A2 (de) |
| DE (1) | DE10122516B4 (de) |
| WO (1) | WO2002090776A2 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ304593B6 (cs) * | 2008-10-29 | 2014-07-23 | Vysoké Učení Technické V Brně | Oběžné kolo hydraulických strojů |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005015357U1 (de) | 2004-10-09 | 2006-01-05 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Lüfter mit einem Lüfterrad |
| EP2122182B1 (de) | 2007-02-23 | 2019-05-01 | SEW-EURODRIVE GmbH & Co. KG | Lüfterrad, system und getriebebaureihe |
| DE102007009366B4 (de) * | 2007-02-23 | 2017-06-14 | Sew-Eurodrive Gmbh & Co Kg | Lüfterrad, System und Getriebebaureihe |
| DE102007041142A1 (de) * | 2007-08-30 | 2009-03-05 | Siemens Ag | Radialverdichterlaufrad |
| WO2009070599A1 (en) * | 2007-11-27 | 2009-06-04 | Emerson Electric Co. | Bi-directional cooling fan |
| DE102009007843A1 (de) | 2009-02-06 | 2010-08-12 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Verdichterrad einer Ladeeinrichtung |
| DE102010039219A1 (de) * | 2010-08-11 | 2012-02-16 | Behr Gmbh & Co. Kg | Lüfter, insbesondere für ein Motorkühlungsgebläse in einem Kraftfahrzeug |
| KR101940588B1 (ko) * | 2011-11-15 | 2019-01-21 | 보르그워너 인코퍼레이티드 | 유동 로터, 특히 터빈 휠 |
| DE102013212341A1 (de) * | 2013-06-26 | 2014-12-31 | Behr Gmbh & Co. Kg | Lüftervorrichtung und Verfahren zur Auswuchtung |
| EP2921712B1 (de) * | 2014-03-17 | 2019-11-20 | Elica S.p.A. | Rotor für ein radialgebläse und radialgebläse |
| DE102015112731A1 (de) * | 2015-08-03 | 2017-02-09 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Lüftervorrichtung und Verfahren zur Auswuchtung einer Lüftervorrichtung |
| DE102015112732A1 (de) * | 2015-08-03 | 2017-02-09 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Verfahren zur Auswuchtung einer Lüftervorrichtung und Lüftervorrichtung, welche mittels eines Verfahrens ausgewuchtet ist |
| DE102017100800A1 (de) * | 2017-01-17 | 2018-07-19 | Eberspächer Climate Control Systems GmbH & Co. KG | Heizluftförderrad |
| CN206617363U (zh) * | 2017-03-01 | 2017-11-07 | 讯凯国际股份有限公司 | 叶轮 |
| CN107448415A (zh) * | 2017-08-23 | 2017-12-08 | 联想(北京)有限公司 | 一种电子设备及其散热风扇 |
| US11105203B2 (en) | 2018-01-29 | 2021-08-31 | Carrier Corporation | High efficiency centrifugal impeller with balancing weights |
| CN112460065B (zh) * | 2019-09-06 | 2022-08-30 | 台达电子工业股份有限公司 | 叶轮及其风扇 |
| JP7503461B2 (ja) * | 2020-09-10 | 2024-06-20 | 三菱重工エンジン&ターボチャージャ株式会社 | タービンホイール、タービン及びターボチャージャ |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE174855C (de) * | 1905-08-19 | 1906-10-01 | Wittig Emil | Laufrad für ventilatoren |
| US912362A (en) * | 1907-04-23 | 1909-02-16 | George Marie Capell | Centrifugal fan and pump. |
| US2658455A (en) * | 1948-02-26 | 1953-11-10 | Laval Steam Turbine Co | Impeller with center intake |
| US2781963A (en) * | 1950-06-16 | 1957-02-19 | Guy S Faber | Blower |
| DE1707136U (de) * | 1955-05-20 | 1955-09-15 | Gerhard Dr Ing Schemberger | Laufrad fuer kreiselgeblaese. |
| US3387768A (en) * | 1966-04-08 | 1968-06-11 | Rotron Mfg Co | Fastener |
| US3627445A (en) * | 1968-04-17 | 1971-12-14 | S E R M A G Soc D Etudes Et De | Ventilating device for cooling a heat engine |
| US3622249A (en) * | 1968-08-18 | 1971-11-23 | Aisin Seiki | Fan assembly |
| GB1293553A (en) * | 1969-02-18 | 1972-10-18 | Cav Ltd | Radial flow fans |
| JPS5525555A (en) * | 1978-08-12 | 1980-02-23 | Hitachi Ltd | Impeller |
| KR830002159A (ko) * | 1979-03-21 | 1983-05-23 | 에이. 더블유. 프리쉬 | 고속 가스 압축기용 임펠러와 축 조립체 |
| GB2046360A (en) * | 1979-03-31 | 1980-11-12 | Aes Plastics Ltd | Fluid impeller |
| US5002461A (en) * | 1990-01-26 | 1991-03-26 | Schwitzer U.S. Inc. | Compressor impeller with displaced splitter blades |
| DE9102865U1 (de) * | 1991-03-09 | 1992-07-16 | Robert Bosch Gmbh, 7000 Stuttgart | Lüfterrad |
| EP0516073A1 (de) * | 1991-05-29 | 1992-12-02 | Alcatel SEL Aktiengesellschaft | Vorrichtung zum Fördern eines gasförmigen Mediums |
| US5158435A (en) * | 1991-11-15 | 1992-10-27 | Praxair Technology, Inc. | Impeller stress improvement through overspeed |
| DE4445671B4 (de) * | 1994-12-21 | 2005-03-24 | Behr Gmbh & Co. Kg | Axiallüfter für einen Kühler eines Kraftfahrzeugmotors |
-
2001
- 2001-05-09 DE DE10122516A patent/DE10122516B4/de not_active Expired - Lifetime
-
2002
- 2002-05-04 WO PCT/EP2002/004920 patent/WO2002090776A2/de not_active Ceased
- 2002-05-04 US US10/476,990 patent/US20040202539A1/en not_active Abandoned
- 2002-05-04 EP EP02769136A patent/EP1387962A2/de not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO02090776A3 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ304593B6 (cs) * | 2008-10-29 | 2014-07-23 | Vysoké Učení Technické V Brně | Oběžné kolo hydraulických strojů |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002090776A2 (de) | 2002-11-14 |
| DE10122516A1 (de) | 2002-11-28 |
| DE10122516B4 (de) | 2006-10-19 |
| US20040202539A1 (en) | 2004-10-14 |
| WO2002090776A3 (de) | 2003-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
|
| 17P | Request for examination filed |
Effective date: 20030716 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: BRANDES, MICHAEL Inventor name: BLANK, ANDREAS Inventor name: LADNER, WOLFGANG Inventor name: KIEFER, GUENTHER |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: LADNER, WOLFGANG Inventor name: BLANK, ANDREAS Inventor name: BRANDES, MICHAEL Inventor name: KIEFER, GUENTHER |
|
| 17Q | First examination report despatched |
Effective date: 20080929 |
|
| 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 |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20081202 |