EP1188930B2 - 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
EP1188930B2
EP1188930B2 EP00119951A EP00119951A EP1188930B2 EP 1188930 B2 EP1188930 B2 EP 1188930B2 EP 00119951 A EP00119951 A EP 00119951A EP 00119951 A EP00119951 A EP 00119951A EP 1188930 B2 EP1188930 B2 EP 1188930B2
Authority
EP
European Patent Office
Prior art keywords
outlet
air
housing
fan
air passage
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
Other languages
German (de)
English (en)
Other versions
EP1188930B1 (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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8169829&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1188930(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Punker GmbH filed Critical Punker GmbH
Priority to DE50006003T priority Critical patent/DE50006003D1/de
Priority to EP00119951A priority patent/EP1188930B2/fr
Priority to AT00119951T priority patent/ATE263925T1/de
Publication of EP1188930A1 publication Critical patent/EP1188930A1/fr
Publication of EP1188930B1 publication Critical patent/EP1188930B1/fr
Application granted granted Critical
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 a radial blower arrangement, with a blower housing containing a fan impeller, which has an air inlet and an air outlet.
  • blower arrangements designed as radial blowers are described, for example, in DE-U-298 20 767, DE-U-298 20 766, EP-A-10 02 957, EP-A-10 02 958, EP-A- 10 22 470 or EP-A-10 22 469 known.
  • blowers have a high capacity and are therefore particularly suitable as modern burner blower, which must have a large modulatable power range.
  • throttle control is used in most systems to regulate airflow, i.e., the airflow is throttled as necessary by means of a damper, invariably resulting in a flow disturbance and thus also associated with a deterioration of noise performance and blower fan efficiency.
  • a throttle control is e.g. known from DE 195 48 800 A1.
  • An object of the present invention is thus to regulate a fan with lower energy losses and quieter.
  • the bypass regulation according to the invention can be integrated with virtually no interference in the blower arrangement.
  • the blower arrangement has a high characteristic stability because the blower region which is responsible for the pressure build-up and which is sensitive, for example, as a blower housing designed as a spiral housing, remains virtually undisturbed by the bypass arrangement.
  • the adjustable opening allows easy and effective power control. In the entire performance range
  • the fan assembly works efficiently and quietly.
  • the air duct assembly can be easily combined with existing blowers, so that they need not be changed essentially constructive. Part of the high-energy flow is specifically supplied to the low-energy flow in the suction-side air duct in such a way that the energy and flow velocity of the suction-side flow increases. This inflow is loss and quiet.
  • the opening between the pressure-side and the suction-side air duct can be adjusted in an advantageous manner by an adjusting member, in particular an adjustable air flap.
  • the effect of the inflow can be further improved by the fact that the opening and / or the adjusting member is disposed on the radially outer side of a curved portion of the pressure-side air duct, since when opening the adjusting member or the air damper, the high-energy flow is automatically supplied by centrifugal effect of the low-energy flow becomes.
  • the desired flow direction can be supported.
  • the adjusting member can be connected to an adjusting the air or fan power or regulating actuator, so that the fan power or a burner power can be automatically controlled with appropriate use.
  • the air guide assembly includes a pressure side connected to the blower housing pressure chamber having an outlet-side exhaust opening, wherein the pressure chamber has a relation to the air outlet of the blower housing at least partially larger cross-section.
  • This pressure chamber advantageously causes a static pressure increase, which is particularly advantageous for use in heating burners.
  • the pressure chamber is designed as a blow-out diffuser with an air duct which widens in cross section in cross-section, in particular continuously expanding.
  • This air duct is suitably curved G-, U- or arcuately, so that a very compact diffuser can be achieved, which is particularly suitable for the burner insert.
  • a very compact and structurally favorable arrangement of the air duct arrangement can be achieved in that it is designed as a flat housing is, and the blower housing is attached to a flat side of the flat housing, wherein the air outlet of the blower housing opens at an access opening to the pressure-side air duct.
  • the two air ducts can be arranged side by side in a simple manner so that the high-energy partial flow can be optimally supplied to the low-energy suction-side air flow.
  • the suction-side air duct in the flat housing could expediently be arranged at an outlet opening, which is connected to the air inlet of the blower housing via a connecting channel or a connecting housing, this outlet opening preferably being arranged on the flat side of the flat housing having the access opening to the pressure-side air duct, so that the blower housing is in a simpler manner Way can be mounted on this flat side and the suction-side connection can be realized in a structurally simple manner by an attachable connection channel or a connection housing.
  • the discharge opening of the air guide arrangement is preferably attached to the flat side facing away from the fan housing of the formed as a flat housing air guide assembly and opens in the case of a burner application preferably on a mixing pipe connected to the air guide assembly.
  • the trained as a flat housing air duct assembly can serve at the same time as a closure lid of a boiler in an advantageous manner.
  • the blower arrangement shown as an exemplary embodiment in FIGS. 1 to 3 has a blower housing 11 possessing a radial blower 10, as shown for example in the above-mentioned prior art and described in different variants.
  • a cup-shaped impeller 12 is rotatably mounted and is driven by a drive motor 13 on the outside of the blower housing 11.
  • the blower housing 11 has a lateral axial air inlet 14 and a radial air outlet 15 at the end of the helically expanding blower housing 11.
  • the radial fan 10 is mounted on a flat side of a trained as a flat housing 16 air guide assembly 17 such that the air outlet 15 of the blower housing 11 opens at an access opening 18 to a pressure-side air channel 19 in the flat housing 16 and aligned with this.
  • This pressure-side air channel 19 in the interior of the flat housing 16 forms a pressure chamber or a blow-out diffuser and is curved in a G, U or arc-like manner.
  • the cross-section of this pressure-side air duct 19 widens substantially continuously from the access opening 18 up to an outlet-side blow-out opening 20, wherein sections with a constant or temporarily decreasing diameter are also possible.
  • the blow-out 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 mixing tube 21 or burner tube attached there.
  • the diameter of the mixing tube 21 substantially corresponds to the largest diameter at the end region of the pressure-side air channel 19, while the exhaust opening 20 has a smaller diameter.
  • the diameter of the blow-out opening 20 may also correspond to the diameter of the mixing tube 21.
  • a mixing tube 21 is of course only in the case of application to a burner, such as heating burner required.
  • the entire flat housing 16 may be formed as a closure door or closure flap for the combustion chamber of a heating boiler.
  • the design of the pressure-side air duct 19 as a blow-out diffuser serves to increase the static fan pressure, wherein in a simpler embodiment, the pressure-side air duct 19 can also form a geometrically differently designed pressure chamber to increase the static pressure. It is essential for this that increases the cross-section of this pressure chamber relative to the air outlet 15.
  • a suction-side or suction-side connected to the blower housing 11 air duct 22 in the flat housing 16 has an inlet-side inflow 23_und opens at an outlet opening 24 which is arranged on the same flat side of the flat housing 16, as the access opening 18 to the pressure-side air duct 19.
  • This outlet opening 24 is located such that, in addition to the mounted fan housing 11, that the suction-side air passage 22 extends below the blower housing 11.
  • connection housing 25 To connect this outlet opening 24 with the air inlet 14 of the blower housing 11 is a connection housing 25, which with its flat side on the provided with the air inlet 14 side wall of the blower housing 11 abuts and covered with a narrow side of the outlet opening 24, so that the suction-side air flow through the suction-side air passage 22, the outlet opening 24, the connecting housing 25 and the air inlet 14 can flow into the fan housing 11 axially.
  • the suction-side air streams are shown for clarity as double arrows and the pressure-side air streams as bold arrows, this representation is problematic in Figure 2, since the two air channels 19, 22 are arranged one behind the other.
  • the two air ducts 19, 22 are arranged on the flat housing 16 in such a way that the end region of the pressure-side air duct 19 and the starting region of the suction-side air duct 22 run directly next to one another and are only separated by an intermediate wall 26.
  • the pressure-side air channel 19 has a curvature as a result of its G, U or arc-like shape.
  • the correspondingly curved intermediate wall 26 is formed at this point by a pivotable air damper 27, through which a bypass from the pressure-side air duct 19 to the suction-side air duct 22 can be formed with a variable cross-section.
  • the air damper 27 may be provided with an actuator, not shown, for example, a servomotor.
  • the air damper 27 is designed as a flow-guiding member in order to be able to supply the high-energy air flow to the air duct 22 with as little loss as possible.
  • another adjustment member for a connection opening between the two air channels 19, 22 occur, for example, a displaceable or pivotable aperture.
  • the invention is of course not limited to radial fans, but other types of fans can be used and connected to a corresponding air duct assembly 17. In principle, it is also possible to realize a combined fan and air duct housing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)

Claims (11)

  1. Dispositif de soufflante, en particulier dispositif de ventilateur radial, avec un boîtier de soufflante (11) comprenant un rotor de soufflante (12) et possédant une entrée d'air (14) et une sortie d'air (15), et étant en liaison avec un dispositif de déflexion de l'air (17), dans lequel un conduit de ventilation (19) raccordé au boîtier 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 boîtier de soufflante (11) du côté de l'aspiration est en liaison avec une ouverture d'afflux (23) du côté de l'entrée via une ouverture réglable de manière à ce qu'une partie du courant d'air du côté du refoulement soit amenée dans le courant d'air du côté de l'aspiration, les deux conduits de ventilation (19, 22) étant situés dans un boîtier plat (16) de telle sorte que la zone terminale du conduit de ventilation (19) du côté de refoulement et la zone d'origine du conduit de ventilation (22) du côté de l'aspiration s'étendent directement l'une à côté de l'autre et ne soient séparées que par une paroi intermédiaire (26) présentant l'ouverture réglable, l'ouverture réglable étant conçue de manière à ce que le courant d'air partiel mélangé du côté de refoulement soit orienté en direction de flux du courant d'air du côté de l'aspiration et que l'énergie et la vitesse d'écoulement du courant du côté de l'aspiration augmentent.
  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) est disposé(e) sur le côté extérieur radial ou la paroi extérieure (26) d'une zone curviligne du conduit de ventilation (19) du côté de refoulement.
  4. Dispositif de soufflante selon l'une 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.
  5. Dispositif de soufflante selon l'une des revendications précédentes, caractérisé en ce que le conduit de ventilation (19) du côté de refoulement est développé en tant que chambre de compression (19) raccordée au boîtier de soufflante (11) du côté de refoulement avec une ouverture de soufflage (20) du côté de la sortie, moyennant quoi la chambre de compression présente une section au moins partiellement plus grande que celle de la sortie d'air (15) du boîtier de soufflante (11).
  6. Dispositif de soufflante selon la revendication 5, caractérisé en ce que le conduit de ventilation (19) du côté de refoulement est développé 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.
  7. Dispositif de soufflante selon la revendication 6, caractérisé en ce que le conduit de ventilation (19) est courbé en G, en U ou en forme d'arc.
  8. Dispositif de soufflante selon l'une des revendications précédentes, caractérisé en ce que le dispositif de déflexion de l'air (17) est développé en tant que boîtier plat (16), et en ce que le boîtier de soufflante (11) est monté sur un côté plat du boîtier plat (15), moyennant quoi la sortie d'air (15) du boîtier de soufflante (11) débouche dans une ouverture d'accès (18) vers le conduit de ventilation (19) du côté de refoulement.
  9. Dispositif de soufflante selon la revendication 8, caractérisé en ce que le conduit de ventilation (22) du côté d'aspiration débouche dans une ouverture de sortie (24) dans le boîtier plat (16), laquelle est reliée via un canal de liaison ou un boîtier de liaison (25) avec l'entrée d'air (14) du boîtier de soufflante (11), moyennant quoi cette ouverture de sortie (24) est de préférence disposée sur le côté plat du boîtier plat (16) présentant l'ouverture d'accès (18) vers le conduit de ventilation (19) du côté de refoulement.
  10. Dispositif de soufflante selon l'une 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 pointant vers la direction opposée du boîtier de soufflante (11) du dispositif de déflexion de l'air (17) développé en tant que boîtier plat (16).
  11. Dispositif de soufflante selon la revendication 10, 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) développé en tant que boîtier 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
DE50006003T DE50006003D1 (de) 2000-09-14 2000-09-14 Gebläseanordnung, insbesondere Radialgebläseanordnung
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

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 EP1188930B1 (fr) 2004-04-07
EP1188930B2 true EP1188930B2 (fr) 2007-06-13

Family

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

Country Status (3)

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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
EP1384606B1 (fr) * 2002-07-25 2006-04-26 Behr GmbH & Co. KG Dispositif et procédé d' aeration pour un véhicule
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

Family Cites Families (18)

* 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
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
DE3770425D1 (de) * 1986-12-11 1991-07-04 Dreizler Walter Heizkesselanlage mit externer abgasrueckfuehrung.
DE3839430C1 (fr) * 1988-11-23 1989-06-22 Fa. J. Eberspaecher, 7300 Esslingen, De
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., 24340 Eckernförde Radialgebläse
DE29820767U1 (de) 1998-11-20 1999-01-14 Punker GmbH & Co., 24340 Eckernförde 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

Also Published As

Publication number Publication date
EP1188930B1 (fr) 2004-04-07
ATE263925T1 (de) 2004-04-15
DE50006003D1 (de) 2004-05-13
EP1188930A1 (fr) 2002-03-20

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