EP0641973B1 - Gasabfuhreinrichtung - Google Patents

Gasabfuhreinrichtung Download PDF

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Publication number
EP0641973B1
EP0641973B1 EP94401889A EP94401889A EP0641973B1 EP 0641973 B1 EP0641973 B1 EP 0641973B1 EP 94401889 A EP94401889 A EP 94401889A EP 94401889 A EP94401889 A EP 94401889A EP 0641973 B1 EP0641973 B1 EP 0641973B1
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EP
European Patent Office
Prior art keywords
lower cover
cover
substantially equal
base
preferably substantially
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
EP94401889A
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English (en)
French (fr)
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EP0641973A1 (de
Inventor
André Amphoux
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MONTEREY SERVICES
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Monterey Services
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Application filed by Monterey Services filed Critical Monterey Services
Publication of EP0641973A1 publication Critical patent/EP0641973A1/de
Application granted granted Critical
Publication of EP0641973B1 publication Critical patent/EP0641973B1/de
Anticipated expiration legal-status Critical
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/08—Tops for chimneys or ventilating shafts; Terminals for flues with coaxial cones or louvres

Definitions

  • the invention relates to a device for the evacuation of gaseous fluid, in particular of exhaust gases or smoke.
  • Such devices are for example of the type comprising a lower element, upper element, spacers to rigidly hold the two coaxial elements spaced from each other so as to define between them a passage, and a conduit passing through the lower element and opening into the passage.
  • Lower and upper elements are limited by conical or frustoconical side walls, of so that said passage has, in axial section, a shape general of venturi or convergent / divergent, along from a radial direction orthogonal to the general axis of the device. This axis is generally at least substantially vertical.
  • Such a device is generally mounted on the above the roof of the building for which it is intended.
  • the conduit makes it possible to capture and channel gases or fumes, which exit from this conduit by its upper end generally located at the upper limit of the element lower, at the very place of the venturi-shaped passage.
  • the gas or smoke fluid is then diverted and entrained in this passage to the outside of the device and the atmosphere outside. The presence of wind accelerates this process.
  • a such a device is described, for example, in the document FR-A-1 403 955.
  • Such a device is generally arranged in height and is therefore likely to experience rising winds or plunging or horizontal winds. These devices then have drawbacks for certain wind directions.
  • French patent application FR-A-2 034 434 describes a device for discharging gaseous fluid, in particular exhaust gases or fumes, including an element upper and lower element fixed to each other by connecting spacers.
  • Upper element includes upper cap generally cone-shaped and connecting spacers are arranged near the axis of the device.
  • European patent application EP-A-0 079 256 describes a device for the evacuation of gas or smoke comprising an upper element and a lower element.
  • the lower element includes a bottom lower and a lower cap with a lip ring adjoining the base.
  • Upper element includes upper cap and an upper bottom, the upper hat being provided an annular lip adjoining the base.
  • French patent application FR-A-2 438 795 describes a static dynamic vacuum cleaner comprising means noise absorption and attenuation, consisting of a mass of sound-absorbing material, in particular wool of rock or glass.
  • French patent application FR-A-387 721 concerns a miter vacuum cleaner for fireplaces consisting of two tapered crowns arranged in opposite directions and placed one at the top of a central pipe fitting on the chimney, the other at a certain distance from the first crown, and connected to it by supports formed by several irons and flats.
  • patent application FR-A-507,229 describes a device ensuring the evacuation of gaseous fluids, applied to piping and composed of two trunks of cone whose vertices are opposite, with a spacing between them depending on the diameter of the piping.
  • Devices for the discharge of gas or smoke are classified according to quality standards which are according to their ability to evacuate gases or fumes rejected whatever the wind conditions.
  • the invention aims to propose a device of the type general described in document FR-A-1 403 955 and whose qualities of evacuation of the gases or fumes rejected are significantly improved compared to the state of the technical, whatever the conditions of wind.
  • the invention proposes a device for the evacuation of gaseous fluid, including exhaust gases or smoke, comprising an element upper diameter D and a lower element, superimposed, coaxial, rigidly fixed to each other by spacers of liaison.
  • the lower element includes a lower bottom and a lower cap each of generally frustoconical shape, crossed coaxially by a pipe of given diameter d opening at one of its ends, lower hat side, in the space between the two elements, the other end being fixed to the arrival of gaseous fluid.
  • the bottom bottom and bottom cap are rigidly fixed to each other by their large common base.
  • the lower cap is provided with an annular lip, adjoining the large common base, directed downwards from the large base and in direct extension of the surface of the lower hat.
  • the top element includes a top hat in general cone shape and a bottom superior. They are rigidly fixed to each other by their great common base.
  • the top hat is provided an annular lip, adjoining the large common base, directed downward from the large base and into the extension of the surface of the top hat, the connecting spacers resting on the frustoconical surface of the lower cap.
  • the device according to the invention is characterized in that that the bottom bottom includes a crown peripheral parallel to the frustoconical surface of the lower hat.
  • the small base of the lower cap includes an annular projection of axial direction having a given height h.
  • the device presents dimensional reports as a function of the diameter of the hose able to optimize the aerodynamic qualities of the device.
  • the main advantage of the device according to the invention provides significant improvements in the evacuation of gases and fumes, especially in the case of ascending winds such that the device has an incidence between 30 and 90 ° from the wind direction.
  • the invention relates to a device for rejection gases or fumes.
  • Such devices are intended in particular to be mounted on evacuation chimneys of gaseous fluid arranged on buildings for use residential, or commercial, or industrial.
  • Such a device generally has an axis 40 which, when the device is mounted on the chimney, is most often vertical or close to vertical.
  • axis 40 which, when the device is mounted on the chimney, is most often vertical or close to vertical.
  • the axis 40 is preferably an axis of revolution. It is in this variant that the description which follows. However, in other forms of realization, axis 40 is only of symmetry or even does not defines that the general direction of the device 1.
  • the device comprises a lower element 3, a upper element 2; and organs 4 of association of lower 3 and upper 2 elements so that said elements are spaced coaxially and facing one of the other thus providing between them a free passage 8 for gases or fumes.
  • the free passage 8 in axial cross section has a general form of venturi or convergent / divergent.
  • the device further comprises a conduit 7 for gases or smoke passing through the lower element 3 and emerging through its downstream opening 15 in passage 8 (the qualifier "downstream" means in relation to the normal direction of traffic gases or fumes when rejected by the device).
  • the duct 7 has a certain axial length. It is intended to be connected to the chimney by means of flanges or others.
  • the lower element 3 includes a bottom 5 and a bottom cap 6, each of generally frustoconical form.
  • the bottom bottom 5 and the lower cap 6 are crossed coaxially by the pipe 7 having a given diameter d.
  • Pipe 7 leads to one of its ends 15, lower hat side 6, in the space 8 between the two elements 2, 3.
  • the other end of the pipe 7 is fixed to the inlet of the gaseous fluid namely the fireplace.
  • the pipe 7 advantageously has a radial annular projection 21 at its side end space 8 on which the perimeter is blocked in abutment from the small base of the lower hat.
  • the bottom bottom 5 and the bottom cap 6 are rigidly fixed to each other.
  • the lower cap 6 is provided with an annular lip 10, adjoining a large common base 9, directed downward from said large base 9 and in line with the surface of the lower hat 6.
  • the lower bottom 5 according to the invention includes a peripheral crown 17c parallel to the frustoconical surface of the lower cap 6
  • One of the characteristics of the present invention is based on the causes the annular lip 10 to extend directly of the frustoconical surface of the lower cap 6 and because that the connecting spacers 4 rest on the surface frustoconical of the upper cap 6.
  • each of spacers 4 can, for example, be provided with its lower end of a lower connecting lug 18.
  • the lower tab 18 is parallel to the frustoconical surface of the hat lower 6, in contact with and integral with it, and extends in a direction tangential to the axis 40 of the device.
  • the tab of connection 18 may be in one piece with the spacer, in another embodiment the lug 18 can be reported at the end of the spacer.
  • the lower cap 6 comprises in its frustoconical surface axial peripheral bosses intended to receive the end of the lower element side 3 of the spacers 4.
  • Each boss has a facing transverse base of a transverse flat of the peripheral crown 17c of the bottom bottom 5. Together they define a base transverse mounting and securing of the end lower element side 3 of a spacer 4 on the element lower 3. So the lower end of the spacer is somehow immersed in the frustoconical surface of the lower cap 6 so that externally, the spacer appears emerged from said frustoconical surface.
  • the element upper 2 includes a top hat 12 shaped general of cone and an upper bottom 11.
  • the upper bottom 11 can take a general conical or frustoconical shape small base 17. They are rigidly fixed to each other by their large common base 13.
  • the upper bottom 11 and the upper cap 12 each include a transverse peripheral crown 17a, 17b opposite. These transverse peripheral rings 17a, 17b define a transverse mounting and joining strip the end of the upper element side 2 of the spacers 4 on the upper element 2.
  • each spacer 4 may, for example, have an upper tab of link 19 parallel to, in contact with and integral with the strip transverse and extending in a tangential direction.
  • the embodiments described above are applicable to the upper leg 19.
  • the upper cap 12 further comprises a lip 14 annular, extending from the crown peripheral 17a of the upper cap 12 and overlapping of the peripheral crown 17b of the upper base 11.
  • the small base of the lower cap includes an annular projection 16 of axial and height direction h.
  • this annular projection axial 16 can be produced by the end 15 of the pipe 7 protruding from the small base of the lower hat 6 towards space 8.
  • the device according to the invention is such that the maximum diameter D of the upper element 2 is substantially equal to the maximum diameter of the element lower 3.
  • the dimensional ratio D / d is advantageously between 1.5 and 3.
  • the dimensional ratio D / d is preferably substantially equal to 2.25.
  • the dimensional ratio h / d (h being the height of the annular projection 16) is advantageously between 0.01 and 0.04.
  • the dimensional ratio h / d is preferably substantially equal to 0.0125.
  • H be the minimum distance separating the two upper and lower elements (i.e. in the realization shown in the figures, the distance separating the end 15 of the small base 17 from the bottom higher 11), the dimensional ratio H / d is advantageously between 0.25 and 0.70.
  • the report dimensional H / d is preferably substantially equal to 0.45.
  • angle a is advantageously between 15 ° and 45 ° and preferably substantially equal to 30 °.
  • angles b and g are advantageously between 0 ° and 30 ° and preferably equal to 22 °.
  • the angle d is advantageously between 0 ° and 30 ° and preferably substantially equal to 22 ° or 8 °.
  • d 2 be the diameter of the small closed base 17 of the upper bottom 11, the dimensional ratio d 2 / d is advantageously between 1 and 2.25.
  • the device comprises three connecting struts 4 arranged every 120 ° at its periphery.
  • the spacers 4 are flat in shape with rounded edges, of length t 3 . and of thickness e 3
  • the dimensional ratio t 3 / d is advantageously between 0.04 and 0.07 and preferably substantially equal to 0.05.
  • the dimensional ratio e 3 / t 3 is advantageously between 0.2 and 0.5.
  • the angle 1 is advantageously between 45 ° and 70 ° and preferably substantially equal to 60 °.
  • transverse peripheral rings 17a, 17b defining the transverse mounting and joining band of the end of the upper element side 2 of the spacers on the upper element 2 have a radial width substantially equal to the length t 3 of said spacers 4.
  • the device according to the invention may further comprise a mesh element (not shown), of cylindrical shape coaxial with, and extending between the upper 2 and lower elements 3.
  • This mesh element of cylindrical shape has a diameter at least greater than the diameter d 2 of the small closed base 17 of the upper bottom 11 or, in the case where the upper bottom is of conical shape, greater than the diameter d of the pipe 7.
  • this mesh element comprises meshes of 20 mm x 20 mm to more or less 2mm.
  • the device according to the invention can comprise coaxial annular deflectors 50 carried by the frustoconical surface of the upper bottom 11.

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  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Plasma Technology (AREA)
  • Glass Compositions (AREA)
  • Treating Waste Gases (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Cyclones (AREA)
  • Catching Or Destruction (AREA)
  • Gas Separation By Absorption (AREA)

Claims (14)

  1. Vorrichtung zur Ableitung von gasförmigen Medien, insbesondere von ausgestossenem Gas oder Rauch, mit einem oberen Element (2) des Durchmessers D und einem unteren Element (3), die überlagert, koaxial und über Verbindungsstege (4) fest miteinander verbunden sind; wobei das untere Element (3) einen unteren Boden (5) und eine untere Kappe (6) aufweist, die jeweils eine allgemeine kegelstumpfartige Form haben und in koaxialer Richtung von einem Rchr (7) mit einem gegebenen Durchmesser d durchlaufen werden, das an einem seiner Enden (15), an der Seite der unteren Kappe (6), in einen Raum (8) zwischen den beiden Elementen (2, 3) mündet, während das andere Ende am Einlauf des gasförmigen Mediums befestigt ist, wobei der untere Boden (5) und die untere Kappe (6) über ihre große gemeinsame Basis (9) fest miteinander verbunden sind; wobei die untere Kappe (6) eine ringförmige, an die große gemeinsame Basis (9) angrenzende Lippe (10) aufweist, die ab der großen Basis (9) und in der direkten Verlängerung der Fläche der unteren Kappe (6) nach unten gerichtet ist; wobei das obere Element (2) eine obere, im allgemeinen kegelförmige Kappe (12) und einen oberen Boden (11) umfaßt, die über ihre große Basis (13) fest miteinander verbunden sind, wobei die obere Kappe (12) eine ringförmige, an die große gemeinsame Basis (13) angrenzende Lippe (14) aufweist, die ab der großen Basis (13) und in der Verlängerung der Fläche der oberen Kappe (12) nach unten gerichtet ist; während die Verbindungsstege (4) auf der kegelstumpfförmigen Fläche der unteren Kappe (6) ruhen; dadurch gekennzeichnet, daß der untere Boden (5) eine umlaufende Krone (17c) aufweist, die parallel zur kegelstumpfförmigen Fläche der unteren Kappe (6) verläuft.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der obere Boden (11) und die obere Kappe (12) jeweils eine umlaufende Querkrone (17a, 17b) aufweisen, die sich gegenüberliegen und einen Montage- und Befestigungsstreifen des Endes auf der Seite des oberen Elements (2) der Stege (4) am cberen Element (2) bilden, wobei die ringförmige Lippe (14) die umlaufende Krone (17a) der oberen Kappe (12) verlängert und die umlaufende Krone (17b) des oberen Bodens (11) abdeckt.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die kleine Basis der unteren Kappe einen ringförmigen Vorsprung (16) mit axialer Richtung und von einer Hohe h aufweist, wobei das Größenverhältnis h/d zwischen 0,01 und 0,04 liegt und vorzugsweise etwa 0,0125 beträgt.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der ringförmige axiale Vorsprung vom Ende (15) des Rohrs (7) gebildet wird, das die kleine Basis der unteren Kappe (6) überragt.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der obere Boden (11) eine Kegelstumpfform mit geschlossener kleiner Basis (17) mit einem Durchmesser d2 aufweist, wobei das Größenverhältnis d2/d zwischen 1 und 2,25 liegt und vorzugsweise etwa 1 beträgt.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der maximale Durchmesser D des oberen Elements (2) etwa dem maximalen Durchmesser des unteren Elements (3) entspricht, wobei das Größenverhältnis D/d zwischen 1,5 und 3 liegt und vorzugsweise etwa 2,25 beträgt.
  7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Größenverhältnis H/d zwischen 0,25 und 0,70 liegt und vorzugsweise etwa 0,45 beträgt, wobei H der minimale Abstand zwischen dem oberen und unteren Element ist.
  8. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Winkel a, den die kegelstumpfförmige Fläche der unteren Kappe (6) mit der großen Basis (9) bildet, zwischen 15° und 45° liegt und vorzugsweise etwa 30° beträgt.
  9. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Winkel b und/oder der Winkel g und/oder der Winkel d, die jeweils von der kegelstumpfförmigen Fläche des unteren Bodens (5), der kegelförmigen Fläsche der oberen Kappe (12) und der Fläche des oberen Bodens (11) mit den großen Basen (9, 13) gebildet werden, zwischen 0° und 30° liegt/liegen und vorzugsweise etwa 22° beträgt/betragen.
  10. Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß sie weiters ein zylindrisches koaxiales Gitterelement umfaßt, das sich zwischen dem oberen Element (2) und dem unteren Element (3) erstreckt und einen mindestens größeren Durchmesser als den Durchmesser (d2) oder einen größeren Durchmesser als den Durchmesser (d) hat, wobei das besagte Gitter vorzugsweise Maschen von 20 mm x 20 mm mehr oder wengier 2 mm aufweist.
  11. Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß sie mindestens zwei am Umfang der Vorrichtung angeordnete Stege (4) umfaßt, die eine abgeflachte Form mit einer radialen Länge t3 und einer tangentialen Dicke e3 aufweisen, wobei das Größenverhältnis t3/d zwischen 0,04 und 0,07 liegt und vorzugsweise etwa 0,05 beträgt, während das Größenverhältnis e3/t3 zwischen 0,2 und 0,5 liegt.
  12. Vorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß jeder der Stege (4) in Betriebsposition an seinem unteren Ende eine Verbindungslasche (18) aufweist, die parallel zur kegelstumpfförmigen Fläche der unteren Kappe verläuft, mit ihr in Kontakt steht und mit ihr verbunden ist, und sich in einer tangentialen Richtung zur Achse (40) der Vorrichtung erstreckt.
  13. Vorrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß der Winkel 1, der von den ringförmigen Lippen (10, 14) mit den großen Basen (9,13) gebildet wird, zwischen 45° und 70° liegt und vcrzugsweise etwa 60° beträgt.
  14. Vorrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß sie weiters ein oder mehrere ringförmige Ablenkbleche (50) umfaßt, das/die koaxial zur Fläche des oberen Bodens (11) angeordnet ist/sind.
EP94401889A 1993-09-03 1994-08-24 Gasabfuhreinrichtung Expired - Lifetime EP0641973B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9310516 1993-09-03
FR9310516A FR2709533B1 (fr) 1993-09-03 1993-09-03 Dispositif pour l'évacuation de fluide gazeux.

Publications (2)

Publication Number Publication Date
EP0641973A1 EP0641973A1 (de) 1995-03-08
EP0641973B1 true EP0641973B1 (de) 1998-10-21

Family

ID=9450549

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94401889A Expired - Lifetime EP0641973B1 (de) 1993-09-03 1994-08-24 Gasabfuhreinrichtung

Country Status (5)

Country Link
EP (1) EP0641973B1 (de)
AT (1) ATE172527T1 (de)
DE (1) DE69414061T2 (de)
ES (1) ES2127360T3 (de)
FR (1) FR2709533B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2740862B1 (fr) 1995-11-03 1998-01-23 Amphoux Andre Dispositif pour aspirer un fluide gazeux a travers un conduit pour le rejeter a l'exterieur de celui-ci
FR2763390B1 (fr) 1997-05-13 1999-07-23 Andre Amphoux Systeme de ventilation avec injection d'air supplementaire pour l'aide au tirage
FR2763387B1 (fr) 1997-05-13 1999-07-23 Andre Amphoux Dispositif d'injection de gaz pour l'aide au tirage dans un systeme de transport de fluide gazeux
FR2782781B1 (fr) 1998-09-02 2000-09-29 Andre Amphoux Dispositif de securite pour systemes d'evacuation de fluides gazeux
FR2869976B1 (fr) * 2004-05-06 2006-08-18 Andre Amphoux Extracteur d'air du type statique comprenant une partie superieure dont la face externe est inclinee
US20180266715A1 (en) * 2017-03-20 2018-09-20 Daniel Edmiston Wind Powered Gas Extractor
CN108006681A (zh) * 2017-12-30 2018-05-08 江苏永益环保科技有限公司 降噪防雨排水风帽
WO2020065357A1 (en) 2018-09-27 2020-04-02 Katona Zoltan Safety terminal element

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR387721A (fr) * 1908-03-02 1908-07-21 Societe Veuve E. Charpentier Et Cie Mitre aspiratrice
FR507229A (fr) * 1919-10-18 1920-09-08 Maurice Poucheux Aspirateur
US3347147A (en) * 1967-03-02 1967-10-17 Ben O Howard Exhauster including venturi means
FR2034434A6 (de) * 1969-03-31 1970-12-11 Vonlanthen Jean
FR2438795B2 (fr) * 1978-10-13 1986-04-04 Amphoux Andre Aspirateur statico-dynamique de fluides gazeux
FR2514469B1 (fr) * 1981-10-13 1986-04-04 Amphoux Andre Dispositif aspirateur de fluide gazeux statique, dynamique et mecanique
FR2518710B1 (fr) * 1981-12-18 1988-09-23 Amphoux Andre Aspirateur statique de fluide gazeux perfectionne

Also Published As

Publication number Publication date
ES2127360T3 (es) 1999-04-16
FR2709533A1 (fr) 1995-03-10
EP0641973A1 (de) 1995-03-08
DE69414061D1 (de) 1998-11-26
DE69414061T2 (de) 1999-06-17
FR2709533B1 (fr) 1995-11-03
ATE172527T1 (de) 1998-11-15

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