EP2218917B1 - Radial- oder Diagonal-Ventilatorrad - Google Patents

Radial- oder Diagonal-Ventilatorrad Download PDF

Info

Publication number: EP2218917B1
Authority: EP; European Patent Office
Prior art keywords: fan; rotationally symmetrical; disc; case; fan wheel
Prior art date: 2009-02-12
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.): Active

Application number

EP09152661A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP2218917A1 (de

Inventor

Katrin Bohl

Marc Schneider

Jürgen Schöne

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.)

Ebm Papst Mulfingen GmbH and Co KG

Original Assignee

Ebm Papst Mulfingen GmbH and Co KG

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.)

2009-02-12

Filing date

2009-02-12

Publication date

2013-04-03

2009-02-12 Priority to PT91526616T priority Critical patent/PT2218917E/pt

2009-02-12 Application filed by Ebm Papst Mulfingen GmbH and Co KG filed Critical Ebm Papst Mulfingen GmbH and Co KG

2009-02-12 Priority to EP09152661A priority patent/EP2218917B1/de

2009-02-12 Priority to PL09152661T priority patent/PL2218917T3/pl

2009-02-12 Priority to DK09152661.6T priority patent/DK2218917T3/da

2009-02-12 Priority to SI200930571T priority patent/SI2218917T1/sl

2009-02-12 Priority to ES09152661T priority patent/ES2404073T3/es

2010-02-05 Priority to CA2692134A priority patent/CA2692134C/en

2010-02-08 Priority to CN2010101109944A priority patent/CN101825113B/zh

2010-02-12 Priority to US12/705,103 priority patent/US8454317B2/en

2010-02-12 Priority to JP2010029011A priority patent/JP5737666B2/ja

2010-08-18 Publication of EP2218917A1 publication Critical patent/EP2218917A1/de

2013-04-03 Application granted granted Critical

2013-04-03 Publication of EP2218917B1 publication Critical patent/EP2218917B1/de

Status Active legal-status Critical Current

2029-02-12 Anticipated expiration legal-status Critical

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
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
- F04D29/162—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of a centrifugal flow wheel
- 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
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps

Definitions

the present invention relates to a fan wheel according to the preamble of claim 1 in an embodiment as a radial or diagonal fan.
non-rotationally symmetrical means that any two different radial sections of the bottom plate and / or the cover plate in two planes, which include the axis of rotation and include a certain differential angle in the circumferential direction, are not congruent at different circumferential angles, but differ from each other , A deviation could basically be present in the direction of the axis of rotation (axially) and / or in the radial direction (radially). In other words, in the case of non-rotational symmetry, rotation of the body about certain angles about the axis of rotation does not imitate the object or its intersection on itself.
each fan wheel of the generic type described at the outset is available in different versions in the publication JP 2001-263294 described.
the cover disk or the bottom disk or each of the two disks should have an obliquely stepped contour in the circumferential direction.
the step shape causes each fan blade on its suction side and its pressure side has different (measured axially) outlet widths, and may - depending on the embodiment - the outlet width on the suction side be smaller or larger than the outlet width on the pressure side.
the EP 1 933 039 A1 describes a radial fan with ribs, recesses or incisions on the outside of the cover plate. This embodiment should lead to a noise reduction by a certain flow guidance.
EP 1 032 766 B1 describes a fan especially for a turbocharger.
this fan blades are formed by embossing on at least one of the two discs (bottom and / or cover disc). These imprints also create a non-rotationally symmetric geometry.
this publication is not concerned with influencing the flow, but has mainly manufacturing and stability-promoting aspects to the content.
the document JP 2001-173595 shows in Fig. 5 a radial fan, in which only the cover plate already has a non-rotationally symmetrical geometry with a wave-shaped course in the circumferential direction with a continuous, continuous course seen in the axial direction.
the cover disk should be convexly curved upward in the areas carrying the fan blades, while the areas lying between two adjacent blades are concavely curved downwards. As a result, the outlet opening cross-sections of the blade channels are consequently narrowed.
the present invention is based on the object to provide a fan wheel of the type described above, with the improved mechanical stability of the flow for optimization in terms of air performance, efficiency and noise performance is achieved.
An aspect of the invention lies in claim 1 in that the respective non-rotationally symmetrical cover disc or bottom disc additionally seen in the axial or paraxial direction a continuous, punctiform course on the respective outer sides of the bottom and / or cover plate over the entire circumference (also on the regions of the blades).
the cover disk and / or the bottom disk in the circumferential direction have a wave-shaped configuration, wherein in each case between two adjacent fan blades a convexly outwardly arching portion is formed.
the geometry deviation of two different, the axis of rotation containing sections of each non-rotationally symmetric disc (top or bottom disc) in the radial direction be arbitrary (in contrast to the invention in any case punctiform course in the axial direction). This means that radially either a punctiform or a jump-shaped course is possible.
FIGS. 2 to 4 and 9 Show embodiments that correspond to the subject of claim 1.
the remaining figures, however, show further individual features which are optionally additional in the embodiments according to the invention Fig. 2 to 4 and 9 can be present.
a fan wheel 1 to be driven in rotation about a rotation axis Z consists of a cover disk 2 with a preferably substantially central inlet opening 4 for air inlet, a bottom disk 6 opposite in the axial direction Z and a plurality of fan blades 8. These fan blades 8 are located between the bottom disk 6 and Cover disc 2 arranged.
the fan blades 8 are arranged in a certain circumferential distribution about the rotation axis Z and the inlet opening 4 around. In the circumferential direction, in each case between two adjacent fan blades 8, blade channels 10 are formed, which lead radially or diagonally outward from the region of the inlet opening 4 and form outlet openings at the outer region of the fan wheel 1.
each of the two disks 2, 6 has a non-rotationally symmetrical geometry.
Non-rotational symmetry in the sense of the present invention is when the lying in the planes E1 and E2 cross-sectional areas of the respective disc 2 and / or 6 - at different circumferential angles - differ from each other.
the geometry deviation of two different cuts containing the rotation axis Z in the radial direction (radius r in FIG Fig. 9 ) be arbitrary. This means that both punctiform and jump-like courses are possible here.
Fig. 1 In the execution according to Fig. 1 is the cover plate 2 in the region of the inlet opening 4 equipped with a wheel inlet 12, wherein the cover plate 2 in the region of this Radeinlass 12 is not rotationally symmetrical in the direction of the axis of rotation Z is executed.
the wheel inlet 12 extends web-like axially away from the cover plate 2 and has in the circumferential direction on a wavy contour with axial elevations and recesses lying therebetween.
the fan wheel 1 is designed in this case as a centrifugal fan.
the cover plate 2 in the circumferential direction is wave-shaped, wherein in each case between two fan blades 8, a convexly outwardly arching portion is formed. These sections are continuous in the area of each fan blade 8 into each other.
Fig. 3 an embodiment is shown as a radial fan, in which only the bottom plate 6 is non-rotationally symmetrical in the axial direction Z executed. Specifically, it may be a similar design, as in the cover plate 2 according to Fig. 2 is provided.
FIG. 5 an embodiment of the fan wheel 1 is illustrated as a diagonal fan, wherein the cover plate 2 in the radial direction r is non-rotationally symmetrical, in this case not steadily, but jump-shaped. This is achieved by a non-continuous, but jumping over corners in radius course of an outer peripheral edge 14 of the cover plate 2.
the Fig. 6 shows an embodiment as a radial fan, wherein the cover plate 2 is designed in the radial direction r non-rotationally symmetrical, namely point-like.
cover plate 2 here has a continuous circumferential course without corners or other cracks.
the fan blades 8 may have any desired course. For example, they may be curved forward or backward with respect to the direction of rotation.

Landscapes

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

EP09152661A 2009-02-12 2009-02-12 Radial- oder Diagonal-Ventilatorrad Active EP2218917B1 (de)

Priority Applications (10)

Application Number	Priority Date	Filing Date	Title
EP09152661A EP2218917B1 (de)	2009-02-12	2009-02-12	Radial- oder Diagonal-Ventilatorrad
PL09152661T PL2218917T3 (pl)	2009-02-12	2009-02-12	Promieniowy albo diagonalny wirnik wentylatora
DK09152661.6T DK2218917T3 (da)	2009-02-12	2009-02-12	Radial- eller diagonal-ventilatorhjul
SI200930571T SI2218917T1 (sl)	2009-02-12	2009-02-12	Radialno ali diagonalno ventilatorsko kolo
ES09152661T ES2404073T3 (es)	2009-02-12	2009-02-12	Rueda de ventilador radial o diagonal
PT91526616T PT2218917E (pt)	2009-02-12	2009-02-12	Compostos heterocíclicos condensados úteis como moduladores de quinase
CA2692134A CA2692134C (en)	2009-02-12	2010-02-05	Radial or diagonal fan wheel
CN2010101109944A CN101825113B (zh)	2009-02-12	2010-02-08	径流式或斜流式风扇叶轮
US12/705,103 US8454317B2 (en)	2009-02-12	2010-02-12	Radial or diagonal fan wheel
JP2010029011A JP5737666B2 (ja)	2009-02-12	2010-02-12	遠心式送風機または斜流送風機に用いられるインペラ

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP09152661A EP2218917B1 (de)	2009-02-12	2009-02-12	Radial- oder Diagonal-Ventilatorrad

Publications (2)

Publication Number	Publication Date
EP2218917A1 EP2218917A1 (de)	2010-08-18
EP2218917B1 true EP2218917B1 (de)	2013-04-03

Family

ID=40887194

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09152661A Active EP2218917B1 (de)	2009-02-12	2009-02-12	Radial- oder Diagonal-Ventilatorrad

Country Status (10)

Country	Link
US (1)	US8454317B2 (da)
EP (1)	EP2218917B1 (da)
JP (1)	JP5737666B2 (da)
CN (1)	CN101825113B (da)
CA (1)	CA2692134C (da)
DK (1)	DK2218917T3 (da)
ES (1)	ES2404073T3 (da)
PL (1)	PL2218917T3 (da)
PT (1)	PT2218917E (da)
SI (1)	SI2218917T1 (da)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9989073B2 (en)	2015-01-22	2018-06-05	Lg Electronics Inc.	Centrifugal fan
DE102020114389A1 (de)	2020-05-28	2021-12-02	Ebm-Papst Mulfingen Gmbh & Co. Kg	Gebläserad mit ener nahtlosen Anbindung der Laufradschaufeln an einen Scheibenkörper
DE102022131248A1 (de) *	2022-11-25	2024-05-29	Ebm-Papst Mulfingen Gmbh & Co. Kg	Diagonallaufrad mit variierender Nabenfläche

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Publication number	Priority date	Publication date	Assignee	Title
US8794196B2 (en) *	2008-10-06	2014-08-05	Husqvarna Zenoah Co., Ltd.	Chain saw
DE202010018509U1 (de) *	2010-02-26	2017-03-15	Ebm-Papst Mulfingen Gmbh & Co. Kg	Radial- oder Diagonal-Ventilatorrad
KR101070136B1 (ko) *	2011-02-22	2011-10-05	이재웅	원통형 베인을 포함하는 임펠러
WO2014150685A1 (en) *	2013-03-15	2014-09-25	Regal Beloit America, Inc.	Fan
KR102057957B1 (ko)	2013-04-19	2019-12-20	엘지전자 주식회사	터보팬 및 이를 사용한 천정형 공기조화기
DE102013114609A1 (de) *	2013-12-20	2015-06-25	Ebm-Papst Mulfingen Gmbh & Co. Kg	Radial-Laufrad für einen Trommellüfter und Lüftereinheit mit einem derartigen Radial-Laufrad
US10036400B2 (en)	2014-05-02	2018-07-31	Regal Beloit America, Inc.	Centrifugal fan assembly and methods of assembling the same
EP3196560B1 (en) *	2014-09-09	2020-09-09	Mitsubishi Electric Corporation	Indoor unit for air conditioning device, and air conditioning device
CN104259161A (zh) *	2014-09-16	2015-01-07	芜湖市华益阀门制造有限公司	一种内表面清洗机用风干装置
JP6551173B2 (ja) *	2015-11-09	2019-07-31	株式会社デンソー	遠心送風機
USD821561S1 (en) *	2016-03-21	2018-06-26	Ebm-Papst Mulfingen Gmbh & Co. Kg	Fan wheel
USD949315S1 (en)	2016-06-24	2022-04-19	Ebm-Papst Mulfingen Gmbh & Co. Kg	Vane damper with trailing edge
WO2019087389A1 (ja) *	2017-11-06	2019-05-09	三菱重工エンジン＆ターボチャージャ株式会社	遠心圧縮機及びこの遠心圧縮機を備えたターボチャージャ
CN108457897B (zh) *	2018-04-09	2024-07-05	广东美的制冷设备有限公司	离心风轮和空调室内机
TWI724872B (zh) *	2020-04-17	2021-04-11	建準電機工業股份有限公司	離心扇輪及具有該離心扇輪的離心風扇

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2009
- 2009-02-12 DK DK09152661.6T patent/DK2218917T3/da active
- 2009-02-12 PL PL09152661T patent/PL2218917T3/pl unknown
- 2009-02-12 PT PT91526616T patent/PT2218917E/pt unknown
- 2009-02-12 ES ES09152661T patent/ES2404073T3/es active Active
- 2009-02-12 SI SI200930571T patent/SI2218917T1/sl unknown
- 2009-02-12 EP EP09152661A patent/EP2218917B1/de active Active
2010
- 2010-02-05 CA CA2692134A patent/CA2692134C/en active Active
- 2010-02-08 CN CN2010101109944A patent/CN101825113B/zh active Active
- 2010-02-12 JP JP2010029011A patent/JP5737666B2/ja active Active
- 2010-02-12 US US12/705,103 patent/US8454317B2/en active Active

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9989073B2 (en)	2015-01-22	2018-06-05	Lg Electronics Inc.	Centrifugal fan
DE102020114389A1 (de)	2020-05-28	2021-12-02	Ebm-Papst Mulfingen Gmbh & Co. Kg	Gebläserad mit ener nahtlosen Anbindung der Laufradschaufeln an einen Scheibenkörper
DE102022131248A1 (de) *	2022-11-25	2024-05-29	Ebm-Papst Mulfingen Gmbh & Co. Kg	Diagonallaufrad mit variierender Nabenfläche

Also Published As

Publication number	Publication date
DK2218917T3 (da)	2013-07-08
JP5737666B2 (ja)	2015-06-17
PL2218917T3 (pl)	2013-09-30
CN101825113B (zh)	2013-05-01
PT2218917E (pt)	2013-04-11
CA2692134A1 (en)	2010-08-12
US20100202887A1 (en)	2010-08-12
EP2218917A1 (de)	2010-08-18
US8454317B2 (en)	2013-06-04
ES2404073T3 (es)	2013-05-23
SI2218917T1 (sl)	2013-05-31
CA2692134C (en)	2015-06-30
JP2010185456A (ja)	2010-08-26
CN101825113A (zh)	2010-09-08

Publication	Publication Date	Title
EP2218917B1 (de)	2013-04-03	Radial- oder Diagonal-Ventilatorrad
DE102010009566A1 (de)	2011-09-01	Radial- oder Diagonal-Ventilatorrad
DE69507118T2 (de)	1999-08-12	Propellerlüfter
EP1609996B1 (de)	2007-08-08	Laufrad, insbesondere für einen Axialventilator
DE202014011454U1 (de)	2020-10-30	Gebläseeinrichtung und Außeneinheit einer Klimaanlage, welche diese umfasst
DE20117322U1 (de)	2002-02-21	Leises Zentrifugalgebläse
DE2551614A1 (de)	1976-05-20	Axial kurzer axialventilator
WO2008122507A1 (de)	2008-10-16	Shiplap-anordnung
EP2282135B1 (de)	2020-04-01	Ventilator
WO2013060358A1 (de)	2013-05-02	Axialventilatorrad
EP2746534B1 (de)	2019-07-31	Stator- und/oder Rotorstufe einer Strömungsmaschine, sowie zugehörige Gasturbine
DE102019210699A1 (de)	2021-01-21	Zwischenelement für eine Schaufel-Rotorscheiben-Verbindung bei einem Rotor einer Strömungsmaschine und Rotor für eine Strömungsmaschine
DE202009018770U1 (de)	2013-03-07	Radial- oder Diagonal-Ventilatorrad
EP3916239B1 (de)	2024-03-13	Gebläserad mit dreidimensional gekrümmten laufradschaufeln
DE102017120061A1 (de)	2018-03-08	Nabeneinheit
EP2913479A1 (de)	2015-09-02	Tandemschaufel einer Strömungsmaschine
EP3368774B1 (de)	2023-11-29	Ventilatorrad und ventilator
EP3592987B1 (de)	2022-05-04	Halbspiralgehäuse
EP2133574A2 (de)	2009-12-16	Räumliches Schutzgitter für Axiallüfter und Verfahren zur Herstellung des Schutzgitters
EP3401504A1 (de)	2018-11-14	Schaufelgitterplattform
DE112014006395T5 (de)	2016-11-17	Axialgebläse
EP3087254B1 (de)	2018-04-18	Heissgasbeaufschlagbares bauteil für eine gasturbine sowie dichtungsanordnung mit einem derartigen bauteil
EP3181911A1 (de)	2017-06-21	Kantenberandung eines rotationselements und gebläserad
EP3273066B1 (de)	2022-06-15	Gebläserad
DE202015105729U1 (de)	2015-11-10	Ventilatorrad und Ventilator

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EP2218917B1 - Radial- oder Diagonal-Ventilatorrad - Google Patents

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