EP1188930B1 - Dispositif de soufflante, particulièrement dispositif d'un ventilateur radial - Google Patents

Dispositif de soufflante, particulièrement dispositif d'un ventilateur radial Download PDF

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Publication number
EP1188930B1
EP1188930B1 EP00119951A EP00119951A EP1188930B1 EP 1188930 B1 EP1188930 B1 EP 1188930B1 EP 00119951 A EP00119951 A EP 00119951A EP 00119951 A EP00119951 A EP 00119951A EP 1188930 B1 EP1188930 B1 EP 1188930B1
Authority
EP
European Patent Office
Prior art keywords
air
outlet
fan
housing
assembly 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.)
Expired - Lifetime
Application number
EP00119951A
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German (de)
English (en)
Other versions
EP1188930B2 (fr
EP1188930A1 (fr
Inventor
Ernst Claussen
Joachim Peetz
Gerd Wegner
Yingan Dr. Xia
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.)
Punker GmbH
Original Assignee
Punker GmbH
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.)
Filing date
Publication date
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Application filed by Punker GmbH filed Critical Punker GmbH
Priority to EP00119951A priority Critical patent/EP1188930B2/fr
Priority to AT00119951T priority patent/ATE263925T1/de
Priority to DE50006003T priority patent/DE50006003D1/de
Publication of EP1188930A1 publication Critical patent/EP1188930A1/fr
Application granted granted Critical
Publication of EP1188930B1 publication Critical patent/EP1188930B1/fr
Publication of EP1188930B2 publication Critical patent/EP1188930B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid

Definitions

  • the invention relates to a blower arrangement, in particular Radial fan arrangement, with a fan impeller containing Blower housing, which has an air inlet and an air outlet has.
  • Such, designed as a radial blower fan assemblies are for example from DE-U-298 20 767, the DE-U-298 20 766, EP-A-10 02 957, EP-A-10 02 958, the EP-A-10 22 470 or EP-A-10 22 469 known.
  • Such blowers have high performance and are suitable Therefore, especially as a modern burner blower, which has a large must have modulatable power range.
  • Throttling control is e.g. known from DE 195 48 800 A1.
  • An object of the present invention is therefore to a fan with lower energy losses and quieter to regulate.
  • Blower housing is connected to an air guide assembly, in a pressure side connected to the blower housing Air duct with an outlet-side exhaust opening and a Air duct connected to the fan housing on the suction side an inlet-side inflow opening via an adjustable Opening are connected together such that a part of the pressure-side air flow supplied to the suction-side air flow becomes.
  • the advantages of this arrangement over the conventional Throttling regulation of the blower power are versatile. To the one can bypass regulation of the invention almost trouble-free be integrated in the blower arrangement with.
  • the Blower arrangement has a high overall characteristic line stability, because the responsible for the pressure build-up and sensitive discharge of the example as a spiral housing trained fan housing almost undisturbed by the bypass arrangement remains.
  • the adjustable opening allows a simple and effective power control. All in one Performance range, the blower arrangement works efficiently and quiet.
  • the air duct arrangement can be easily combine with existing blowers so that these are in the Essentially constructive need not be changed.
  • the opening between the pressure side and the suction side Air duct is advantageously by an adjusting member, In particular, an adjustable air damper adjustable.
  • an adjustable air damper adjustable there is the opening and / or the adjusting expediently designed such that the pressure side admixed partial air flow to the flow direction of the suction-side air flow is aligned. Part of the high-energy flow is thereby specifically the low-energy flow in the suction side Air duct fed so that the energy and flow rate the suction-side flow increased. This inflow is loss and quiet.
  • the Effect of the inflow can still be improved by that the opening and / or the adjusting member at the radial Outside of a curved portion of the pressure-side air channel is arranged, as when opening the adjustment or the air damper the high-energy flow automatically through Centrifugal effect of low-energy flow is supplied.
  • the adjusting with a the Air or blower power adjusting or regulating Actuator be connected so that the blower power or a burner output with appropriate use automatically can be regulated.
  • the air duct assembly includes a pressure side of the blower housing connected pressure chamber with an output side Blow-out, wherein the pressure chamber is opposite to the Air outlet of the blower housing at least partially larger Cross section has.
  • This pressure chamber causes in an advantageous manner Way a static pressure increase, especially for the use of heating burners is particularly advantageous.
  • This increase in static pressure can be further improved or amplified when the pressure chamber as Blow-out diffuser with a blow out in the Cross-section widening, in particular continuously widening Air duct is formed.
  • This air duct is suitably curved G-, U- or bow-shaped, so that a very compact diffuser can be achieved that is in front everything is suitable for the burner use.
  • Air duct assembly can be achieved by this is designed as a flat housing, and the fan housing is attached to a flat side of the flat housing, wherein the air outlet of the blower housing at an access opening opens to the pressure-side air channel.
  • This flat housing The two air ducts can be so juxtaposed in a simple way be arranged that the high-energy partial flow in optimally fed to the low-energy suction air stream can be.
  • the suction-side air duct in the flat housing could expediently at an outlet opening via a connecting channel or a connector housing with the air inlet the blower housing is connected, said outlet opening preferably at the access opening to the pressure side Air duct having flat side of the flat housing arranged is, so that the fan housing in a simple way
  • This flat side can be mounted and the suction side Connection in a structurally simple manner by anmontierbaren Realized connecting channel or a connection housing can be.
  • the exhaust opening of the air guide arrangement is preferably on the side facing away from the blower housing flat side as Flat housing formed air duct assembly attached and preferably flows in the case of a burner application a mixing pipe connected to the air guide arrangement. It can be designed as a flat housing air duct assembly advantageously simultaneously as a closure lid to serve a boiler.
  • Blower assembly has a blower housing 11 owning Radial fan 10, as it is for example in the presented at the beginning of the prior art and in various variants is described.
  • a cup-shaped impeller 12 rotatably mounted and is by a drive motor 13 on the outside of the blower housing 11 driven.
  • the blower housing 11 has a lateral axial air inlet 14 and a radial air outlet 15 at the end of the worm-like expanding fan housing 11th
  • the radial fan 10 is on a flat side as a flat housing 16 trained air guide assembly 17 mounted such that the air outlet 15 of the blower housing 11 at a Access opening 18 to a pressure-side air channel 19 in Flat housing 16 opens or aligned with this.
  • This pressure-side air channel 19 in the interior of the flat housing 16th forms a pressure chamber or a blow-out diffuser and is G-, U- or arcuately curved.
  • the cross section of this pressure-side air duct 19 extends from the access opening 18 from up to an output-side exhaust opening 20 towards substantially continuous, with sections also constant or temporarily decreasing diameter possible are.
  • the exhaust opening 20 is located on the side opposite to the access opening 18 side wall of the flat housing 16 and forms an access to a there attached mixing tube 21 and burner tube.
  • the diameter of the mixing tube 21 substantially corresponds the largest diameter at the end of the pressure-side air channel 19, during the exhaust opening 20 a smaller Diameter owns. In an alternative embodiment can the diameter of the exhaust opening 20 and the diameter of the mixing tube 21 correspond. Furthermore, it is possible in the Transition region between the pressure-side air channel 19 and the mixing tube 21 or in the mixing tube in conjunction with Mixing tubes known throttle device or a mixing element as described, for example, in EP-A-990 844 is.
  • a mixing tube 21 is of course only in the case of application in a burner, for example, heating burner required.
  • the entire flat housing 16 as a closing door or closing flap for the combustion chamber be formed of a heating boiler.
  • the formation of the pressure-side air channel 19 as a blow-out diffuser serves to increase the static fan pressure, wherein in a simpler embodiment, the pressure-side air duct 19 also a geometrically differently designed pressure chamber can form to increase the static pressure. Essential This is because of the cross-section of this pressure chamber opposite the enlarged of the air outlet 15.
  • Air duct 22 in the flat housing 16 has a inlet-side inflow opening 23_ and opens at an outlet opening 24, on the same flat side of the flat housing 16 is arranged as the access opening 18 to pressure-side air channel 19.
  • This outlet opening 24 is located in such a way next to the mounted fan housing 11, that the suction-side air passage 22 is below the fan housing 11 extends therethrough.
  • connection housing 25 To connect this outlet opening 24 with the air inlet 14 of the blower housing 11th serves a connection housing 25, with its flat side the side wall of the blower housing provided with the air inlet 14 11 abuts and with a narrow side of the outlet opening 24, so that the suction air flow through the suction-side air channel 22, the outlet opening 24, the connection housing 25 and the air inlet 14 in the fan housing 11 can flow in axially.
  • the suction-side air streams are for clarity as double arrows and the pressure-side air flows shown as bold arrows, wherein this representation in Figure 2 is problematic because the two air channels 19, 22 are arranged one behind the other.
  • the two air channels 19, 22 are so on the flat housing 16th arranged that the end portion of the pressure-side air channel 19 and the initial region of the suction-side air channel 22 directly run next to each other and only by an intermediate wall 26 are separated.
  • the pressure-side air channel 19 has as a result of its G, U or bow-like shape one Curvature.
  • the corresponding curved intermediate wall 26 is formed at this point by a pivotable air damper 27, through which a bypass from the pressure-side air channel 19 to suction-side air passage 22 formed with variable cross-section can be. Depending on the opening angle of this air damper 27 is more or less the high-energy flow in the air duct 19 partly the lower-energy suction-side flow in the air duct 22 mixed.
  • the air damper 27 with a non-illustrated Actuator, for example, provided a servomotor his.
  • the air flap 27 is as a flow guide member Designed to the high-energy air flow as possible loss of the air duct 22 to be able to perform.
  • damper 27 In place of a damper 27 can of course also another adjustment device for a connection opening between the two air channels 19, 22 occur, for example a sliding or swiveling aperture.
  • the invention is of course not on radial blower limited, but other types of blowers can be used and with a corresponding air duct 17 get connected. In principle, it is also possible to have a combined Blower and air duct housing to realize.

Claims (12)

  1. Dispositif de soufflante, en particulier dispositif de ventilateur radial, avec un boítier de soufflante (11) comprenant un rotor de soufflante (12) et possédant une entrée d'air (14) et une sortie d'air (15), caractérisé en ce que le boítier de soufflante (11) est en liaison avec un dispositif de déflexion de l'air (17), dans lequel un conduit de ventilation (19) raccordé au boítier de soufflante (11) du côté de refoulement est relié avec une ouverture de soufflage (20) du côté de la sortie, et un conduit de ventilation (22) raccordé au boítier de soufflante (11) du côté de l'aspiration est en relation avec une ouverture d'aspiration (23) du côté de l'entrée via une ouverture réglable de manière à ce qu'une partie du flux d'air du côté du refoulement est amenée au flux d'air du côté de l'aspiration.
  2. Dispositif de soufflante selon la revendication 1, caractérisé en ce que l'ouverture réglable entre le conduit de ventilation du côté de refoulement (19) et du côté de l'aspiration (22) peut être réglée via un organe de réglage (27) sous la forme d'un volet d'aération réglable.
  3. Dispositif de soufflante selon la revendication 1 ou 2, caractérisé en ce que l'ouverture réglable et/ou l'organe de réglage (27) sont conçus de manière à ce que le flux d'air partiel mélangé du côté du refoulement est orienté en direction de l'écoulement du flux d'air du côté de l'aspiration.
  4. Dispositif de soufflante selon la revendication 3, caractérisé en ce que l'ouverture réglable et/ou l'organe de réglage (27) est disposé sur le côté extérieur radial ou la paroi extérieure (26) d'une zone curviligne du conduit de ventilation (19) du côté du refoulement.
  5. Dispositif de soufflante selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe de réglage (27) est en liaison avec un élément de réglage ajustant ou réglant la puissance de l'air ou de la soufflante.
  6. Dispositif de soufflante selon l'une quelconque des revendications précédentes, caractérisé en ce que le conduit de ventilation (19) du côté de refoulement est conformé en tant que chambre de compression (19) raccordée au boítier de soufflante (11) du côté du refoulement avec une ouverture de soufflage (20) du côté de la sortie, la chambre de compression présentant une section au moins partiellement plus grande que celle de la sortie d'air (15) du boítier de soufflante (11).
  7. Dispositif de soufflante selon la revendication 6, caractérisé en ce que le conduit de ventilation (19) du côté de refoulement est conformé en tant que diffuseur de sortie avec un conduit de ventilation à section s'élargissant en direction d'ouverture de soufflage (20), et s'élargissant en particulier de manière continue.
  8. Dispositif de soufflante selon la revendication 7, caractérisé en ce que le conduit de ventilation (19) est courbé en G, en U ou en forme d'arc.
  9. Dispositif de soufflante selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de déflexion de l'air (17) est conformé en tant que boítier plat (16), et en ce que le boítier de soufflante (11) est monté sur un côté plat du boítier plat (15), la sortie d'air (15) du boítier de soufflante (11) débouchant dans une ouverture d'accès (18) vers le conduit de ventilation (19) du côté de refoulement.
  10. Dispositif de soufflante selon la revendication 9, caractérisé en ce que le conduit de ventilation (22) du côté de l'aspiration débouche dans une ouverture de sortie (24) dans le boítier plat (16), laquelle est reliée via un canal de liaison ou un boítier de liaison (25) avec l'entrée d'air (14) du boítier de soufflante (11), cette ouverture de sortie (24) étant de préférence disposée sur le côté plat du boítier plat (16) présentant l'ouverture d'accès (18) vers le conduit de ventilation (19) du côté du refoulement.
  11. Dispositif de soufflante selon l'une quelconque des revendications précédentes, caractérisé en ce que l'ouverture de soufflage (20) du dispositif de déflexion de l'air (17) est disposée sur le côté plat tourné vers la direction opposée au boítier de soufflante (11) du dispositif de déflexion de l'air (17) conformé en tant que boítier plat (16).
  12. Dispositif de soufflante selon la revendication 11, caractérisé en ce que l'ouverture de soufflage (20) débouche dans un tube mélangeur (21) raccordé au dispositif de déflexion de l'air (17) et/ou en ce que le dispositif de déflexion de l'air (17) conformé en tant que boítier plat (16) est réalisé en tant que couvercle de fermeture d'une chaudière de chauffage.
EP00119951A 2000-09-14 2000-09-14 Dispositif de soufflante, particulièrement dispositif d'un ventilateur radial Expired - Lifetime EP1188930B2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP00119951A EP1188930B2 (fr) 2000-09-14 2000-09-14 Dispositif de soufflante, particulièrement dispositif d'un ventilateur radial
AT00119951T ATE263925T1 (de) 2000-09-14 2000-09-14 Gebläseanordnung, insbesondere radialgebläseanordnung
DE50006003T DE50006003D1 (de) 2000-09-14 2000-09-14 Gebläseanordnung, insbesondere Radialgebläseanordnung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00119951A EP1188930B2 (fr) 2000-09-14 2000-09-14 Dispositif de soufflante, particulièrement dispositif d'un ventilateur radial

Publications (3)

Publication Number Publication Date
EP1188930A1 EP1188930A1 (fr) 2002-03-20
EP1188930B1 true EP1188930B1 (fr) 2004-04-07
EP1188930B2 EP1188930B2 (fr) 2007-06-13

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ID=8169829

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00119951A Expired - Lifetime EP1188930B2 (fr) 2000-09-14 2000-09-14 Dispositif de soufflante, particulièrement dispositif d'un ventilateur radial

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EP (1) EP1188930B2 (fr)
AT (1) ATE263925T1 (fr)
DE (1) DE50006003D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50303086D1 (de) * 2002-07-25 2006-06-01 Behr Gmbh & Co Kg Gebläseanordnung und Verfahren zur Belüftung eines Fahrzeugs
EP1528258A1 (fr) * 2003-10-31 2005-05-04 Punker GmbH & Co. Ventilaterur radial pour un brûleur à gaz
CN100441880C (zh) * 2005-05-13 2008-12-10 台达电子工业股份有限公司 风扇系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356034A (en) * 1965-12-28 1967-12-05 Ford Motor Co Fluid pump flow bypass control
DE3839430C1 (fr) * 1988-11-23 1989-06-22 Fa. J. Eberspaecher, 7300 Esslingen, De

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DE2656561A1 (de) * 1976-12-14 1978-06-15 Roehrs Werner Dr Kg Radialgeblaese mit stroemungsdichtung
SE430092B (sv) * 1982-01-21 1983-10-17 Lennart Wallman Anordning vid radialflektar
DE3629132A1 (de) * 1986-08-27 1988-03-10 Buderus Heiztechnik Gmbh Geblaese fuer oel- und gasgeblaesebrenner
ATE63996T1 (de) * 1986-12-11 1991-06-15 Dreizler Walter Heizkesselanlage mit externer abgasrueckfuehrung.
DE4023363C2 (de) * 1990-07-23 1994-03-03 Kanis Paul Gerhard Dipl Ing Brenner
US5584653A (en) * 1992-09-08 1996-12-17 J. Eberspacher Device for reducing the generation of noise in fans
DE4230503B4 (de) * 1992-09-15 2004-01-15 Körting Hannover AG Gebläsebrenner
US5484259A (en) * 1994-06-13 1996-01-16 Emerson Electric Co. Low noise centrifugal blower
FR2729460B1 (fr) * 1995-01-12 1997-04-04 Cuenod Thermotech Sa Dispositif de reglage du debit d'air comburant pour un bruleur a air souffle
DE19501816B4 (de) * 1995-01-21 2004-11-18 Körting Hannover AG Radialgebläse, insbesondere für Gebläsebrenner
DE19503781A1 (de) * 1995-02-04 1996-08-08 Buderus Heiztechnik Gmbh Öl- oder Gasgebläsebrenner
DE19809028A1 (de) * 1998-03-04 1999-09-09 Miele & Cie Gasbeheizter Wäschetrockner
DE29820766U1 (de) 1998-11-20 1999-01-14 Punker Gmbh & Co Radialgebläse
DE29820767U1 (de) 1998-11-20 1999-01-14 Punker Gmbh & Co Radialgebläse
EP1022469B1 (fr) 1999-01-20 2004-10-06 Punker GmbH & Co. Soufflante radial
DE59910827D1 (de) 1999-01-20 2004-11-18 Punker Gmbh & Co Radialgebläse

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356034A (en) * 1965-12-28 1967-12-05 Ford Motor Co Fluid pump flow bypass control
DE3839430C1 (fr) * 1988-11-23 1989-06-22 Fa. J. Eberspaecher, 7300 Esslingen, De

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Ventilatoren im Einsatz" von Schlender/Klingenberg, VDI-Verlag GmbH, Düsseldorf, 1996. *

Also Published As

Publication number Publication date
DE50006003D1 (de) 2004-05-13
ATE263925T1 (de) 2004-04-15
EP1188930B2 (fr) 2007-06-13
EP1188930A1 (fr) 2002-03-20

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