DE102007058155A1 - Radial fan, has impeller coupled to drive motor over impeller shaft and coupling, where shaft is arranged at flange bearing that is arranged in rear wall of housing and stays in connection with inner area of housing - Google Patents
Radial fan, has impeller coupled to drive motor over impeller shaft and coupling, where shaft is arranged at flange bearing that is arranged in rear wall of housing and stays in connection with inner area of housing Download PDFInfo
- Publication number
- DE102007058155A1 DE102007058155A1 DE200710058155 DE102007058155A DE102007058155A1 DE 102007058155 A1 DE102007058155 A1 DE 102007058155A1 DE 200710058155 DE200710058155 DE 200710058155 DE 102007058155 A DE102007058155 A DE 102007058155A DE 102007058155 A1 DE102007058155 A1 DE 102007058155A1
- Authority
- DE
- Germany
- Prior art keywords
- housing
- bearing
- shaft
- impeller
- fan according
- 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- Withdrawn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
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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/026—Units comprising pumps and their driving means with a magnetic coupling
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
-
- 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
- F04D29/10—Shaft sealings
- F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
Abstract
Description
Die Erfindung betrifft einen Radialventilator nach dem Oberbegriff des Anspruchs 1.The The invention relates to a centrifugal fan according to the preamble of the claim 1.
Ein
derartiger Radialventilator ist aus der
Bei derartigen Radialventilatoren ist eine Abdichtung der Durchführung der Laufradwelle durch das Gehäuse erforderlich. Es sind Radialventilatoren bekannt, bei denen die Abdichtung der Laufradwelle in der Öffnung, durch welche diese aus dem Gehäuse herausgeführt wird, über eine Sperrgasdichtung erfolgt. Hierbei wird die Durchführung der Laufradwelle durch das Gehäuse mittels eines Sperrmediums, üblicherweise Pressluft oder Stickstoff, abgedichtet. Eine ausreichende Dichtigkeit kann dabei nur gewährleistet werden, wenn der Sperrgasdruck höher als der Innendruck im Gehäuse ist. Beim Betrieb des Ventilators ändert sich der Innendruck im Gehäuse, weshalb zur Aufrechterhaltung der Dichtigkeit der Laufradwellendurchführung der Sperrgasdruck entsprechend dem Innendruck im Gehäuse nachgeregelt werden muss. Auf Grund der Trägheit des Regelsystems besteht hierbei allerdings die Gefahr einer Leckbildung, wenn der Sperrgasdruck beispielsweise nicht schnell genug nachgeregelt werden kann. Im Übrigen sind solche Sperrgasdichtungen wartungsintensiv und unterliegen einem hohen Verschleiß. Weiterhin ist eine solche Sperrgasdichtung in Prozessen nachteilig, in denen ein hoher Reinheitsgrad des mit dem Ventilator zu fördernden Mediums (Gas) erforderlich ist, weil die Gefahr einer Vermischung des Sperrgases mit dem Fördermedium besteht.at Such radial fans is a seal of implementation the impeller shaft through the housing required. There are Radial fans are known in which the sealing of the impeller shaft in the opening through which these out of the housing is led out, via a sealing gas seal. Here, the implementation of the impeller shaft through the Housing by means of a barrier medium, usually Compressed air or nitrogen, sealed. A sufficient tightness can only be guaranteed if the barrier gas pressure higher than the internal pressure in the housing. At the Operation of the fan changes the internal pressure in the housing, Therefore, to maintain the tightness of the impeller shaft bushing the sealing gas pressure according to the internal pressure in the housing must be readjusted. Due to the inertia of the control system However, there is a risk of leakage when the Sealing gas pressure, for example, not be readjusted fast enough can. Incidentally, such gas seals are maintenance-intensive and are subject to high wear. Furthermore, one is Such gas seal in processes disadvantageous in which a high Purity of the medium to be delivered with the fan (Gas) is required because of the risk of mixing the sealing gas consists of the pumped medium.
Hiervon ausgehend besteht die Aufgabe der Erfindung darin, einen gattungsgemäßen Radialventilator so auszugestalten, dass er sehr hohen Systemdrucken von mehr als 10 bar standhält und gleichzeitig gasdicht ist. Eine weitere Aufgabe der Erfindung besteht darin, einen gattungsgemäßen Radialventilator so auszugestalten, dass mit ihm aggressive Gase gefördert werden können.Of these, Based on the object of the invention is a generic Centrifugal fan design so that it is very high system pressures of more than 10 bar and at the same gas-tight is. Another object of the invention is to provide a generic Centrifugal fan in such a way that with it aggressive gases can be promoted.
Gelöst werden diese Aufgaben mit einem Radialventilator mir den Merkmalen des Anspruchs 1. Bevorzugte Ausgestaltungen dieses Radialventilators sind den Unteransprüchen zu entnehmen.Solved These tasks with a centrifugal fan with the features of claim 1. Preferred embodiments of this centrifugal fan are to be taken from the subclaims.
Nachfolgend wird die Erfindung anhand eines Ausführungsbeispiels unter Bezugnahme auf die begleitenden Zeichnungen näher erläutert. Die Zeichnungen zeigen:following the invention is based on an embodiment below Referring to the accompanying drawings explained in more detail. The drawings show:
Der
in
An
der Rückwand
Aus
der Schnittdarstellung von
Die
Rückwand
Aus
der Detailansicht der
An
das Flanschlager
Zusätzlich
zu den in Längsrichtung verlaufenden Druckausgleichsbohrungen
Durch
die Verwendung einer Magnetkupplung
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 10029679 C1 [0002] - DE 10029679 C1 [0002]
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710058155 DE102007058155A1 (en) | 2007-11-30 | 2007-11-30 | Radial fan, has impeller coupled to drive motor over impeller shaft and coupling, where shaft is arranged at flange bearing that is arranged in rear wall of housing and stays in connection with inner area of housing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710058155 DE102007058155A1 (en) | 2007-11-30 | 2007-11-30 | Radial fan, has impeller coupled to drive motor over impeller shaft and coupling, where shaft is arranged at flange bearing that is arranged in rear wall of housing and stays in connection with inner area of housing |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007058155A1 true DE102007058155A1 (en) | 2009-06-04 |
Family
ID=40585924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200710058155 Withdrawn DE102007058155A1 (en) | 2007-11-30 | 2007-11-30 | Radial fan, has impeller coupled to drive motor over impeller shaft and coupling, where shaft is arranged at flange bearing that is arranged in rear wall of housing and stays in connection with inner area of housing |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102007058155A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102767527A (en) * | 2012-07-18 | 2012-11-07 | 黄佳华 | Magnetic driving device for delivery of saturated steam sterilization medium |
CN104791262A (en) * | 2015-03-28 | 2015-07-22 | 重庆通用工业(集团)有限责任公司 | Mechanical vapor recompression (MVR) energy-saving draught fan series model |
DE102017129027A1 (en) * | 2017-12-06 | 2019-06-06 | Pierburg Gmbh | Sealing system for sealing a lubricated shaft bearing of a compressor |
DE102018129608B4 (en) | 2018-11-23 | 2022-06-15 | Ebm-Papst St. Georgen Gmbh & Co. Kg | rotor assembly unit |
US11480183B2 (en) * | 2019-11-28 | 2022-10-25 | Ingineers | Hermetic blower for high-temperature gas |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10029679C1 (en) | 2000-06-23 | 2002-01-24 | F W Carduck Gmbh | centrifugal fan |
EP1333180A1 (en) * | 2002-01-30 | 2003-08-06 | Siemens Aktiengesellschaft | Electric motor driven pump |
DE10240800B4 (en) * | 2002-08-30 | 2005-03-24 | Munsch Chemie-Pumpen Gmbh | Pump for chemically aggressive fluids |
-
2007
- 2007-11-30 DE DE200710058155 patent/DE102007058155A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10029679C1 (en) | 2000-06-23 | 2002-01-24 | F W Carduck Gmbh | centrifugal fan |
EP1333180A1 (en) * | 2002-01-30 | 2003-08-06 | Siemens Aktiengesellschaft | Electric motor driven pump |
DE10240800B4 (en) * | 2002-08-30 | 2005-03-24 | Munsch Chemie-Pumpen Gmbh | Pump for chemically aggressive fluids |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102767527A (en) * | 2012-07-18 | 2012-11-07 | 黄佳华 | Magnetic driving device for delivery of saturated steam sterilization medium |
CN104791262A (en) * | 2015-03-28 | 2015-07-22 | 重庆通用工业(集团)有限责任公司 | Mechanical vapor recompression (MVR) energy-saving draught fan series model |
DE102017129027A1 (en) * | 2017-12-06 | 2019-06-06 | Pierburg Gmbh | Sealing system for sealing a lubricated shaft bearing of a compressor |
DE102017129027B4 (en) * | 2017-12-06 | 2019-08-14 | Pierburg Gmbh | Sealing system for sealing a lubricated shaft bearing of a compressor |
DE102018129608B4 (en) | 2018-11-23 | 2022-06-15 | Ebm-Papst St. Georgen Gmbh & Co. Kg | rotor assembly unit |
US11480183B2 (en) * | 2019-11-28 | 2022-10-25 | Ingineers | Hermetic blower for high-temperature gas |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
R120 | Application withdrawn or ip right abandoned |
Effective date: 20120613 |