EP0547535B1 - Soufflante radiale pour le refoulement d'un mélange gazeux combustible - Google Patents

Soufflante radiale pour le refoulement d'un mélange gazeux combustible Download PDF

Info

Publication number
EP0547535B1
EP0547535B1 EP92121220A EP92121220A EP0547535B1 EP 0547535 B1 EP0547535 B1 EP 0547535B1 EP 92121220 A EP92121220 A EP 92121220A EP 92121220 A EP92121220 A EP 92121220A EP 0547535 B1 EP0547535 B1 EP 0547535B1
Authority
EP
European Patent Office
Prior art keywords
radial fan
pipe bend
connecting part
insert
casing
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
EP92121220A
Other languages
German (de)
English (en)
Other versions
EP0547535A1 (fr
Inventor
Reinhold Hopfensperger
Rudolf Tungl
Peter Goebel
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.)
Vaillant GmbH
Alcatel Lucent Deutschland AG
Original Assignee
Alcatel SEL AG
Joh Vaillant GmbH and Co
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
Application filed by Alcatel SEL AG, Joh Vaillant GmbH and Co filed Critical Alcatel SEL AG
Publication of EP0547535A1 publication Critical patent/EP0547535A1/fr
Application granted granted Critical
Publication of EP0547535B1 publication Critical patent/EP0547535B1/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

Definitions

  • the invention relates to a radial fan with a housing with a spiral inner contour and a closed impeller with backward curved blades, the diameter of which is very much larger than its flow exit width.
  • Such a radial fan is known (EP-A-410 271).
  • the medium to be conveyed can be a combustible gas mixture.
  • the combustible gas mixture is fed to the radial fan, for example via a pipeline, a so-called intake manifold.
  • a pump is known (FR-A-2 529 264) which contains an intake duct integrated in the pump housing, which first runs tangentially and then axially.
  • Such an arrangement consisting of an intake manifold connected in one piece to the housing is gas-tight due to its construction, so that complex sealing arrangements are unnecessary.
  • This arrangement has a shape which allows the production as a casting in a multi-part mold. In addition, it allows the use of smooth, continuously running surfaces for guiding the flow, so that there are no causes for the generation of noise.
  • FIG. 1 the part of the radial fan is shown insofar as it is important for the description of the invention.
  • a one-piece arrangement can be seen, which is composed of the flat cup-shaped housing 1, the cylindrical tube 2 and the tube bend 3.
  • the pipe 2 and the pipe bend 3 form part of the intake manifold.
  • the inner pipe bend is missing in the arrangement mentioned above. It is - as is clear when viewing FIGS. 1 and 2 together - replaced by the connecting part 4.
  • the insert 5 is fastened, which consists of the inflow nozzle 6 and the supplementary piece 7 integrally connected to it.
  • the insert 5 is made of plastic.
  • the supplementary piece 7 fills out the connecting part 4 and completes the pipe bend 3.
  • FIG. 1 The position of the impeller 8 in the housing 1 is also illustrated in FIG. 1, the hub 9 of which is attached to the drive shaft of an electric motor (not shown).
  • the electric motor itself is fastened to a cover (likewise not shown) with which the rear side of the housing 1, which is arranged on the left in FIG. 1, is closed.
  • the insert 5 is at its lower end, as can be seen from Fig. 2, held in the box-shaped part 4 by means of dovetail guides 10.

Landscapes

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

Claims (3)

  1. Ventilateur radial comportant un boîtier à contour intérieur hélicoïdal et une roue de ventilateur fermée à aubes recourbées vers l'arrière, dont le diamètre est très largement supérieur à sa largeur d'entrée de l'écoulement, caractérisé par
       un élément composé d'une pièce, qui comprend le boîtier en forme de pot (1), un coude de tuyau (3), un tuyau cylindrique (2) et un élément de raccord (4), une pièce intermédiaire (5) en matière plastique étant insérée dans l'élément de raccord (4) de façon à ce qu'elle représente un élément du coude de tuyau (3).
  2. Ventilateur radial selon la revendication 1, caractérisé en ce que la pièce intermédiaire (5) consiste en une buse d'admission (6) de forme cylindrique, fixée à l'extrémité du coude de tuyau (3) et pénétrant à l'intérieur de l'ouverture d'aspiration de la roue de ventilateur, et à laquelle est reliée d'une seule pièce une pièce complémentaire (7) remplissant l'élément de raccord (4) et complétant le coude de tuyau.
  3. Ventilateur radial selon les revendications 1 et 2, caractérisé en ce que la pièce intermédiaire (5) est maintenue au fond de l'élément de raccord (4) par au moins un guide (10).
EP92121220A 1991-12-14 1992-12-12 Soufflante radiale pour le refoulement d'un mélange gazeux combustible Expired - Lifetime EP0547535B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4141360 1991-12-14
DE4141360A DE4141360A1 (de) 1991-12-14 1991-12-14 Radialgeblaese zum foerdern eines brennbaren gasgemisches

Publications (2)

Publication Number Publication Date
EP0547535A1 EP0547535A1 (fr) 1993-06-23
EP0547535B1 true EP0547535B1 (fr) 1996-02-07

Family

ID=6447117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92121220A Expired - Lifetime EP0547535B1 (fr) 1991-12-14 1992-12-12 Soufflante radiale pour le refoulement d'un mélange gazeux combustible

Country Status (3)

Country Link
EP (1) EP0547535B1 (fr)
AT (1) ATE134025T1 (fr)
DE (2) DE4141360A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1473465B2 (fr) 2003-04-30 2018-08-01 Holset Engineering Company Limited Compresseur
GB0403869D0 (en) 2004-02-21 2004-03-24 Holset Engineering Co Compressor
CN104595238B (zh) * 2015-01-21 2015-11-25 扬州大学 水力性能优异的系列斜式进水流道及其应用方法
CN115076137A (zh) * 2022-07-19 2022-09-20 威海克莱特菲尔风机股份有限公司 海上风电冷却系统用高效低噪离心风机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE397482C (de) * 1921-06-15 1924-06-21 Frantisek Pechan Kreiselverdichter
FR863235A (fr) * 1939-09-13 1941-03-27 Perfectionnements dans les souffieries et les aspirateurs rotatifs
US3434653A (en) * 1967-09-19 1969-03-25 Jack Burnbaum Combination motor and blower
US3489340A (en) * 1968-04-16 1970-01-13 Garrett Corp Centrifugal compressor
IT1155692B (it) * 1982-06-23 1987-01-28 Ivat Color Snc Di Ugo Becchio Pompa o compressore del tipo centrifugo
DE3924281A1 (de) * 1989-07-22 1991-01-31 Standard Elektrik Lorenz Ag Vorrichtung zum foerdern eines gasfoermigen mediums

Also Published As

Publication number Publication date
DE4141360A1 (de) 1993-06-17
EP0547535A1 (fr) 1993-06-23
ATE134025T1 (de) 1996-02-15
DE59205300D1 (de) 1996-03-21

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