EP0641972A1 - Statische, dynamische Gasabfuhreinrichtung - Google Patents

Statische, dynamische Gasabfuhreinrichtung Download PDF

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Publication number
EP0641972A1
EP0641972A1 EP94401888A EP94401888A EP0641972A1 EP 0641972 A1 EP0641972 A1 EP 0641972A1 EP 94401888 A EP94401888 A EP 94401888A EP 94401888 A EP94401888 A EP 94401888A EP 0641972 A1 EP0641972 A1 EP 0641972A1
Authority
EP
European Patent Office
Prior art keywords
base
cap
blades
cavity
substantially equal
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.)
Granted
Application number
EP94401888A
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English (en)
French (fr)
Other versions
EP0641972B1 (de
Inventor
André Amphoux
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.)
MONTEREY SERVICES
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André Amphoux
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 André Amphoux filed Critical André Amphoux
Publication of EP0641972A1 publication Critical patent/EP0641972A1/de
Application granted granted Critical
Publication of EP0641972B1 publication Critical patent/EP0641972B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation
    • F24F7/025—Roof ventilation with forced air circulation by means of a built-in ventilator
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • F04D29/362—Blade mountings adjustable during rotation
    • F04D29/366—Adjustment by interaction of inertion and lift
    • 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
    • F23L17/005—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues using fans
    • 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 evacuating gaseous fluid, in particular rejected gases or smoke.
  • Static devices are already known for the discharge of gaseous fluids, intended to be mounted on buildings. Such devices are for example of the type comprising a lower element, an upper element, spacers for rigidly holding the two coaxial elements spaced from one another so as to define between them a passage, and a conduit passing through the element lower and opening into the passage.
  • the lower and upper elements are limited by conical or frustoconical side walls, so that said passage has, in axial section, a general shape of venturi or convergent / divergent, along 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 above the roof of the building for which it is intended.
  • the conduit makes it possible to capture and channel the gases or fumes, which exit from this conduit through its upper end situated generally at the upper limit of the lower element, at the very place of the passage in the form of a venturi.
  • the gas or smoke fluid is then diverted and entrained in this passage towards the outside of the device and the outside atmosphere. The presence of wind accelerates this process.
  • Such a device is described, for example, in the document FR-A-1 403 955.
  • Such a static device is generally arranged at a height and is therefore liable to undergo ascending winds or plunging winds or horizontal winds.
  • one solution consists in using a mixed motorized system.
  • the motor can be activated by a programmed clock or pressure, hygrometric or other probe systems.
  • US-A-4,462,305 and EP-A-0 416 999 relate to static devices as described above, further comprising a centrifugal turbine having a motor disposed in the upper element and at least one blade arranged in space free between the upper and lower element.
  • Such dynamic devices make it possible to substantially improve the evacuation of gases or fumes discharged by rotation of the blade in the generally convergent / divergent or venturi shaped space.
  • the disadvantage of such static / dynamic devices lies in the fact that if the engine is stopped voluntarily or by a malfunction, the performance of the device is seriously impaired by the presence of immobile blades in the converging / diverging or shaped space. of venturi.
  • Static / dynamic devices for the discharge of gases or smoke are classified according to quality standards which are a function of their ability to evacuate the gases or smoke discharged regardless of the wind or operating conditions.
  • the invention aims to propose a device of the general type described in document EP-A-0 426 999 and whose qualities of evacuation of the gases or fumes discharged are appreciably improved when the centrifugal turbine is stopped, and what whatever the wind conditions.
  • the invention proposes a static / dynamic device for the evacuation of gaseous fluid, in particular of rejected gases or smoke, comprising an upper element and a lower element, superimposed, coaxial, rigidly fixed. 'to each other by connecting spacers.
  • the lower element comprises a lower bottom and a lower cap each of generally frustoconical shape, crossed coaxially by a pipe of given diameter opening at one of its ends, on the lower cap side, in the space between the two elements, the other end being fixed to the arrival of gaseous fluids.
  • the lower bottom and the lower 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 downward from the large base and in line with the surface of the lower cap.
  • the upper element includes an upper cap and an upper bottom. They are rigidly fixed to each other by their large common base.
  • the upper cap is provided with an annular lip, adjoining the large common base, directed downward from the large base and in line with the surface of the upper hat.
  • the device further comprises a centrifugal turbine having a motor located inside the upper element and comprising at least one blade.
  • the upper bottom has an axial cavity open towards the space, between elements, housing the blades, the latter having a lower radial edge flush with the lower base of the axial cavity.
  • the small base of the lower cap comprises an annular projection of axial direction having a given height h.
  • the device has dimensional ratios depending on the diameter of the pipe capable of optimizing the aerodynamic qualities of the device.
  • An advantage of the device according to the invention makes it possible to obtain appreciable improvements in the evacuation of gases and fumes, in particular in the case of ascending winds such that the device has an incidence between 30 and 90 ° relative to the direction of the wind. .
  • Another advantage of the device according to the invention makes it possible to obtain a space between the two upper and lower elements free of any blade at least when one is in inactive centrifugal turbine mode.
  • the invention relates to a static / dynamic device for discharging gases or fumes.
  • Such devices are intended in particular to be mounted on gaseous fluid discharge chimneys arranged on buildings for residential, or commercial, or industrial use.
  • Such a device generally has an axis 100 which, when the device is mounted on the chimney, is most often vertical or close to vertical.
  • axis 100 which, when the device is mounted on the chimney, is most often vertical or close to vertical.
  • the axis 100 is preferably an axis of revolution. It is in this variant that the following description is made. However, in other embodiments, the axis 100 is only of symmetry or even only defines the general direction of the device 1.
  • the device comprises a lower element 3, an upper element 2; the organs 4 of association of the lower 3 and upper 2 elements so that they are spaced coaxially and facing one another which provides between them a free passage 8 for gases or fumes.
  • the free passage 8 in axial cross section has a general convergent / divergent shape.
  • the device further comprises a conduit 7 for the gases or fumes passing through the lower element 3 and emerging through its downstream opening 15 in the passage 8 (the qualifier "downstream" means with respect to the normal direction of circulation of the 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 the like.
  • the device finally comprises a centrifugal turbine (30) with radial blades.
  • the lower element 3 comprises a lower bottom 5 and a lower cap 6, each of generally frustoconical shape.
  • the lower bottom 5 and the lower cap 6 are crossed coaxially by the pipe 7 having a given diameter d.
  • the pipe 7 opens at 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 arrival of the gaseous fluid, namely the chimney .
  • the pipe 7 has at its space-side end 8 a radial annular projection 21 on which the small base of the lower cap 6 abuts in abutment.
  • the lower bottom 5 and the lower 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 cap 6.
  • the lower base according to the invention comprises a peripheral crown 17c parallel to the frustoconical surface of the lower cap 6.
  • One of the characteristics of the present invention lies in the fact that the annular lip 10 comes in direct extension of the frustoconical surface of the cap lower 6 and the fact that the connecting spacers 4 rest on the frustoconical surface of the upper cap 6.
  • each of the spacers 4 may, for example, be provided, at its lower end, with a lower connecting lug 18 in a service position of the spacer, this lower tab 18 is parallel to, and in contact with and integral with the frustoconical surface of the lower cap 6 and extends in a tangential direction.
  • the lower connecting tab 18 can be in one piece with the spacer, in another embodiment of the invention the lower tab 18 can be attached to the end of the spacer 4.
  • 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 includes a transverse base opposite a transverse flat of the peripheral crown 17c of the lower base 5. They together define a transverse base for mounting and securing the end of the lower element side 3 of a spacer 4 on the element lower 3.
  • the upper element 2 comprises an upper cap and an upper base 11. They are rigidly fixed to each other by a large common base.
  • the upper bottom 11 and the upper cap 12 each comprise a transverse peripheral crown 17a, 17b opposite.
  • These transverse peripheral rings 17a, 17b define a transverse strip for mounting and securing the end of the upper element side 2 of the spacers 4 on the element upper 2.
  • each spacer 4 may, for example, include an upper connecting tab, parallel to the transverse strip and extending in a tangential direction.
  • the two embodiments cited for the lower tab 18 are also applicable for the upper tab.
  • the upper cap 12 further comprises an annular lip 14, extending from the peripheral crown 17a of the upper cap 12 and overlapping the peripheral crown 17b of the upper base 11.
  • the upper bottom 11 has an axial cavity 32 open towards the space 8 housing the blades 31 of the centrifugal turbine 30. Still according to a characteristic of the present invention, the blades 31 have a lower radial edge 34 flush with the lower base 35 of the axial cavity 32.
  • the motor 33 of the centrifugal turbine 30 is located inside the upper element, in the space defined between the upper bottom 11 and upper cap 12.
  • the upper cap 12 comprises a conical cap 40 extended by its large base and coaxially by a first truncated cone 41 having its small base common with the large base of the cap 40
  • the first truncated cone 41 is itself extended coaxially by a second truncated cone 42 having its small base common with the large base of the first truncated cone 41.
  • the upper base 11 comprises a first truncated cone 43 coaxial with the upper cap 12 of small base 17 on the space side 8.
  • the small base 17 is adapted to accommodate the cavity or an element of cavity 32 intended to house the blades 31.
  • the cavity element 32 has a frustoconical shape coaxial with the upper cap 12 and comprises a large base 35 on the space side 8 and a small base 36 closed on the upper cap side 12.
  • the cavity element 32 projects in part from the small base 17 of the first truncated cone 43 from the upper bottom 11 towards the space 8.
  • the cavity or the cavity element 32 can advantageously be provided with an annular lip 50 adjoining the base 35 peripheral to this base and directed upwards.
  • a space is provided between the two transverse peripheral rings 17a, 17b in such a way that an annular peripheral access connecting the outside and the inside is produced. of the upper element 2 and thus allowing the cooling of the motor 33.
  • the space could be provided between the conical cap 40 and the first truncated cone 41 of the upper cap 12.
  • the small base of the lower cap comprises an annular projection 16 of axial direction and of height h.
  • this axial annular projection 16 can be produced by the end 15 of the pipe 7 projecting from the small base of the lower cap 6 towards the 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 lower element 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 (namely in the embodiment shown in the figures, the distance separating the end 15 of the large base 35 from the cavity element 32), the dimensional ratio H / d is advantageously between 0.25 and 0.80 The dimensional ratio H / d is preferably substantially equal to 0.5.
  • the angle ⁇ is advantageously between 15 ° and 45 ° and preferably substantially equal to 30 °.
  • angles ⁇ and ⁇ are advantageously between 0 ° and 30 ° and preferably equal to 22 °.
  • the angle ⁇ be advantageously between 0 ° and 30 ° and preferably substantially equal to 22 °.
  • d2 be the diameter of the small closed base 36 of the cavity element 32
  • the dimensional ratio d2 / d is advantageously between 0.8 and 2 and preferably substantially equal to 1.12.
  • d3 be the diameter of the large open base 35 of the cavity element 32
  • the dimensional ratio d3 / d is advantageously between 1 and 2.25 and preferably substantially equal to 1.31.
  • d4 be the axial height of the axial cavity 32
  • the dimensional ratio d4 / d is advantageously between 0.2 and 0.5 and preferably substantially equal to 0.28.
  • the cavity element 32 projects from the small base 17 of the first truncated cone 43 of the upper bottom 11 between half and all of its axial height d4.
  • the projecting part of the cavity element 32 is substantially equal to 0.18 x d.
  • the angle ⁇ is advantageously between 45 ° and 90 ° and preferably substantially equal to 75 °.
  • the frustoconical surface of the first truncated cone 41 of the upper cap 12 makes an angle of the order of 60 ° plus or minus 10 ° with its large base.
  • the frustoconical surface of the conical cap 40 of the upper cap 12 advantageously forms an angle of the order of 12 ° plus or minus 5 ° with its large base.
  • the distance separating the small closed base 36 of the cavity element 32 from the top of the conical cap 40 is advantageously and preferably of the order of 0.8 x d.
  • the annular lip 50 adjoining the base 35 makes an angle of about 22 ° plus or minus 10 ° with the base 35 and a width of about 0.1 x d.
  • the device comprises three connecting struts 4 arranged every 120 ° at its periphery.
  • the spacers 4 are flat in shape with rounded edges, of radial length t3 and of width e3.
  • the dimensional ratio t3 / d is advantageously between 0.04 and 0.07 and preferably substantially equal to 0.05.
  • the dimensional ratio e3 / t3 is advantageously between 0.2 and 0.5.
  • the angle ⁇ is advantageously between 45 ° and 70 ° and preferably substantially equal to 45 °.
  • transverse peripheral rings 17a, 17d 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 radial length t3 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 d3 of the large open base 36 of the cavity 32 increased by the annular crown 50.
  • this mesh element comprises meshes of 20 mm x 20 mm to more or less 2mm.
  • the motor 33 is located in the space 51 defined by the upper cap 12 and the upper base 11 and has a motor axis 52 coaxial with the axis 100 of the device, emerging in the axial cavity 32 and on which the blades 31 are mounted by means of a means 53.
  • the distal 54 and upper radial 55 edges of the blades 31 can advantageously match the surface of the cavity 32.
  • the lower radial edges 34 of the blades 31 are extended by blade elements 56 articulated in rotation around said radial edges 34. This rotation is ensured by one or more hinges 58. These elements blades 56 are articulated in rotation between a first position at rest where the blade elements 56 are substantially perpendicular to the blades 31 when the motor 33 is not activated, and a second active position where each blade element 56 is substantially in the same plane as the associated blade 31 when the motor 33 is activated.
  • the blade elements 56 are forced into the rest position by an elastic element 57.
  • the transition from the rest position to the active position when the motor is in operation is due to the inertial and centrifugal forces induced by the rotation printed by the motor 33 on the blades 31 and on the blade elements 56.
  • the device according to the invention comprises two large blades 31 intersecting on the axis 100 so as to create four half -blades.
  • the two blades 31 intersect at right angles.
  • each half-blade 31a comprises a blade element 56 in a quarter of a circle.
  • the blade elements 56 are perpendicular to the half-blades 31a and in combination form a cover closing the lower base 35 of the cavity 32.
  • the performance of the device is not disturbed by the presence of the blades 31, these being masked by the blade elements 56.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Electrostatic Separation (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Nozzles (AREA)
EP94401888A 1993-09-03 1994-08-24 Statische, dynamische Gasabfuhreinrichtung Expired - Lifetime EP0641972B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9310517 1993-09-03
FR9310517A FR2709534B1 (fr) 1993-09-03 1993-09-03 Dispositif statique/dynamique pour l'évacuation de fluide gazeux.

Publications (2)

Publication Number Publication Date
EP0641972A1 true EP0641972A1 (de) 1995-03-08
EP0641972B1 EP0641972B1 (de) 1997-01-22

Family

ID=9450550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94401888A Expired - Lifetime EP0641972B1 (de) 1993-09-03 1994-08-24 Statische, dynamische Gasabfuhreinrichtung

Country Status (5)

Country Link
EP (1) EP0641972B1 (de)
AT (1) ATE148213T1 (de)
DE (1) DE69401553T2 (de)
ES (1) ES2101463T3 (de)
FR (1) FR2709534B1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0772003A1 (de) * 1995-11-03 1997-05-07 André Amphoux Gerät zum Absaugen eines Gases aus einer Leitung um es abzuführen
EP0840070A1 (de) * 1996-11-05 1998-05-06 André Amphoux Entlüftungseinrichtung zur Belüftungsanlage
WO1999039866A1 (de) * 1998-02-03 1999-08-12 Lang Guenter Einrichtung zur reinigung des arbeitsbereichs an zerspanungsmaschinen
EP1120610A2 (de) * 2000-01-28 2001-08-01 Holland Heating B.V. Anordnung für einen Dachlüfter
FR2842586A1 (fr) 2002-07-17 2004-01-23 Invent Or Dispositif d'extraction de gaz
WO2006004450A2 (en) * 2004-07-06 2006-01-12 PRZEDSIEBIORSTWO USLUGOWO-PRODUKCYJNE I WDRAZANIA POSTEPU TECHNICZNEGO 'UNIVERSAL'Sp.z o.o. Hybrid ventilating cap
RU2614421C1 (ru) * 2016-02-18 2017-03-28 Акционерное общество "Научно-производственный центр газотурбостроения "Салют" (АО "НПЦ газотурбостроения "Салют") Биротативный компрессор
US10288082B2 (en) 2016-11-15 2019-05-14 Carnes Company, Inc. Centrifugal fan assembly including cooling vanes and a cooling plate
CN111197760A (zh) * 2018-11-20 2020-05-26 宁波方太厨具有限公司 防倒风烟管

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2749930B1 (fr) 1996-06-18 1998-09-04 Amphoux Andre Bouche d'extraction pour la ventilation d'une piece et systeme statique ou statomecanique incluant une telle bouche
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
FR2775759B1 (fr) 1998-03-04 2000-06-16 Michel Zaniewski Systeme de securite incorpore pour extracteur de fumees
FR2781278B1 (fr) * 1998-07-17 2000-09-29 Andre Amphoux Dispositif mixte, statique/dynamique pour l'evacuation de fluides 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
RU2653643C1 (ru) * 2017-09-28 2018-05-11 Акционерное общество "Научно-исследовательский и конструкторский институт центробежных и роторных компрессоров им. В.Б. Шнеппа" Центробежный многоступенчатый компрессорный агрегат

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438795A2 (fr) * 1978-10-13 1980-05-09 Amphoux Andre Aspirateur statico-dynamique de fluides gazeux
FR2459424A1 (fr) * 1979-06-18 1981-01-09 Zaniewski Michel Dispositif d'aeration des locaux et de tirage des cheminees
EP0079256A1 (de) * 1981-10-13 1983-05-18 André Amphoux Statische, dynamische und mechanische Absaugeinrichtung von Gasen
US4523434A (en) * 1984-01-14 1985-06-18 Yoo Byung Eun Air ventilator
EP0416999A1 (de) * 1989-09-06 1991-03-13 André Amphoux Vorrichtung zum Absaugen von Abluft

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438795A2 (fr) * 1978-10-13 1980-05-09 Amphoux Andre Aspirateur statico-dynamique de fluides gazeux
FR2459424A1 (fr) * 1979-06-18 1981-01-09 Zaniewski Michel Dispositif d'aeration des locaux et de tirage des cheminees
EP0079256A1 (de) * 1981-10-13 1983-05-18 André Amphoux Statische, dynamische und mechanische Absaugeinrichtung von Gasen
US4462305A (en) * 1981-10-13 1984-07-31 Andre Amphoux Static, dynamic and mechanical aspirator for a gaseous fluid
US4523434A (en) * 1984-01-14 1985-06-18 Yoo Byung Eun Air ventilator
EP0416999A1 (de) * 1989-09-06 1991-03-13 André Amphoux Vorrichtung zum Absaugen von Abluft

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0772003A1 (de) * 1995-11-03 1997-05-07 André Amphoux Gerät zum Absaugen eines Gases aus einer Leitung um es abzuführen
FR2740862A1 (fr) * 1995-11-03 1997-05-09 Amphoux Andre Dispositif pour aspirer un fluide gazeux a travers un conduit pour le rejeter a l'exterieur de celui-ci
EP0840070A1 (de) * 1996-11-05 1998-05-06 André Amphoux Entlüftungseinrichtung zur Belüftungsanlage
FR2755505A1 (fr) * 1996-11-05 1998-05-07 Amphoux Andre Extracteur d'air destine a la ventilation
WO1999039866A1 (de) * 1998-02-03 1999-08-12 Lang Guenter Einrichtung zur reinigung des arbeitsbereichs an zerspanungsmaschinen
US6161994A (en) * 1998-02-03 2000-12-19 Lang; Gunter Device for cleaning the working area of chip removal machines
EP1120610A2 (de) * 2000-01-28 2001-08-01 Holland Heating B.V. Anordnung für einen Dachlüfter
EP1120610A3 (de) * 2000-01-28 2002-11-06 Holland Heating B.V. Anordnung für einen Dachlüfter
FR2842586A1 (fr) 2002-07-17 2004-01-23 Invent Or Dispositif d'extraction de gaz
WO2006004450A2 (en) * 2004-07-06 2006-01-12 PRZEDSIEBIORSTWO USLUGOWO-PRODUKCYJNE I WDRAZANIA POSTEPU TECHNICZNEGO 'UNIVERSAL'Sp.z o.o. Hybrid ventilating cap
WO2006004450A3 (en) * 2004-07-06 2007-05-03 Przed Uslugowo Prod I Wdrazani Hybrid ventilating cap
RU2614421C1 (ru) * 2016-02-18 2017-03-28 Акционерное общество "Научно-производственный центр газотурбостроения "Салют" (АО "НПЦ газотурбостроения "Салют") Биротативный компрессор
US10288082B2 (en) 2016-11-15 2019-05-14 Carnes Company, Inc. Centrifugal fan assembly including cooling vanes and a cooling plate
CN111197760A (zh) * 2018-11-20 2020-05-26 宁波方太厨具有限公司 防倒风烟管
CN111197760B (zh) * 2018-11-20 2021-08-20 宁波方太厨具有限公司 防倒风烟管

Also Published As

Publication number Publication date
FR2709534A1 (fr) 1995-03-10
DE69401553T2 (de) 1997-09-25
DE69401553D1 (de) 1997-03-06
EP0641972B1 (de) 1997-01-22
ES2101463T3 (es) 1997-07-01
FR2709534B1 (fr) 1996-02-09
ATE148213T1 (de) 1997-02-15

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