EP0413987A3 - Axial fan - Google Patents

Axial fan Download PDF

Info

Publication number: EP0413987A3
Authority: EP; European Patent Office
Prior art keywords: axial fan; impeller; wall; duct; enclosed
Prior art date: 1989-08-23
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

Application number

EP19900114295

Other languages

English (en)

Other versions

EP0413987B1 (de

EP0413987A2 (de

Inventor

Helmut Prof.Dr.Ing. Fuchs

Andreas Dipl-.Ing. Jacobs

Heinz Dipl-.Ing. Wieland

Ulrich. Dr.Rer.Nat. Ackermann

Joachim Dipl.-Ing. Mohr

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.)

Gebhardt Ventilatoren GmbH and Co KG

Original Assignee

Gebhardt Ventilatoren 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.)

1989-08-23

Filing date

1990-07-26

Publication date

1991-09-25

1990-07-26 Application filed by Gebhardt Ventilatoren GmbH and Co KG filed Critical Gebhardt Ventilatoren GmbH and Co KG

1991-02-27 Publication of EP0413987A2 publication Critical patent/EP0413987A2/de

1991-09-25 Publication of EP0413987A3 publication Critical patent/EP0413987A3/de

1996-12-27 Application granted granted Critical

1996-12-27 Publication of EP0413987B1 publication Critical patent/EP0413987B1/de

2010-07-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
- F04D29/547—Ducts having a special shape in order to influence fluid flow
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
- 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
- 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
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
- 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
- F04D29/663—Sound attenuation
- F04D29/665—Sound attenuation by means of resonance chambers or interference

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Seasonings (AREA)
Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

EP90114295A 1989-08-23 1990-07-26 Axialventilator Expired - Lifetime EP0413987B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3927791A DE3927791A1 (de)	1989-08-23	1989-08-23	Axialventilator
DE3927791		1989-08-23

Publications (3)

Publication Number	Publication Date
EP0413987A2 EP0413987A2 (de)	1991-02-27
EP0413987A3 true EP0413987A3 (en)	1991-09-25
EP0413987B1 EP0413987B1 (de)	1996-12-27

Family

ID=6387675

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP90114295A Expired - Lifetime EP0413987B1 (de)	1989-08-23	1990-07-26	Axialventilator

Country Status (6)

Country	Link
EP (1)	EP0413987B1 (de)
AT (1)	ATE146855T1 (de)
DD (1)	DD297208A5 (de)
DE (2)	DE3927791A1 (de)
DK (1)	DK0413987T3 (de)
ES (1)	ES2095226T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3584704B2 (ja) *	1997-10-24	2004-11-04	昭和風力機械株式会社	送風機の吸込流予旋回制御バイパス構造
DE102004014876B4 (de) *	2004-03-22	2010-06-10	Mdexx Gmbh	Ventilatorummantelung, Ventilator mit einer Ventilatorummantelung und Windenergieanlage mit einem Ventilator
DE102006049076B4 (de) *	2006-10-13	2019-09-26	Mahle International Gmbh	Axiallüfter eingerichtet zur Förderung von Kühlluft für eine Kühlvorrichtung eines Kraftfahrzeuges

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1490923A (en) *	1975-06-23	1977-11-02	Short Brothers & Harland Ltd	Sound-absorbing structures
DE2548999B2 (de) *	1974-11-05	1978-12-14	Sasakura Engineering Co., Ltd., Osaka (Japan)	Gebläsering für ein Axialgebläse
DE3322295A1 (de) *	1982-07-29	1984-02-02	Doneckij Gosudarstvennyj proektno-konstruktorskij i eksperimental'nyj institut kompleksnoj mechanizacii &scaron;acht, Doneck	Axialventilator
DE3511769A1 (de) *	1985-03-30	1986-10-02	MAN Gutehoffnungshütte GmbH, 4200 Oberhausen	Ein- und mehrstufiger axialkompressor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6318799Y2 (de) *	1980-12-02	1988-05-26

1989
- 1989-08-23 DE DE3927791A patent/DE3927791A1/de not_active Withdrawn
1990
- 1990-07-26 ES ES90114295T patent/ES2095226T3/es not_active Expired - Lifetime
- 1990-07-26 DE DE59010616T patent/DE59010616D1/de not_active Expired - Fee Related
- 1990-07-26 EP EP90114295A patent/EP0413987B1/de not_active Expired - Lifetime
- 1990-07-26 AT AT90114295T patent/ATE146855T1/de not_active IP Right Cessation
- 1990-07-26 DK DK90114295.0T patent/DK0413987T3/da active
- 1990-08-22 DD DD90343575A patent/DD297208A5/de not_active IP Right Cessation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2548999B2 (de) *	1974-11-05	1978-12-14	Sasakura Engineering Co., Ltd., Osaka (Japan)	Gebläsering für ein Axialgebläse
GB1490923A (en) *	1975-06-23	1977-11-02	Short Brothers & Harland Ltd	Sound-absorbing structures
DE3322295A1 (de) *	1982-07-29	1984-02-02	Doneckij Gosudarstvennyj proektno-konstruktorskij i eksperimental'nyj institut kompleksnoj mechanizacii &scaron;acht, Doneck	Axialventilator
DE3511769A1 (de) *	1985-03-30	1986-10-02	MAN Gutehoffnungshütte GmbH, 4200 Oberhausen	Ein- und mehrstufiger axialkompressor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Ventilatoren", B. ECK, 4. Auflage, 1962, Springer- Verlag Berlin, G!ttingen, Heidelberg "Schallabsorption durch Resonatoren" *

Also Published As

Publication number	Publication date
EP0413987B1 (de)	1996-12-27
DE59010616D1 (de)	1997-02-06
DK0413987T3 (da)	1997-06-09
ATE146855T1 (de)	1997-01-15
ES2095226T3 (es)	1997-02-16
DD297208A5 (de)	1992-01-02
EP0413987A2 (de)	1991-02-27
DE3927791A1 (de)	1991-02-28

Legal Events

Date	Code	Title	Description
1991-01-12	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
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1996-05-07	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1996-06-26	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
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1996-12-20	ITF	It: translation for a ep patent filed	Owner name: GUZZI E RAVIZZA S.R.L.
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