EP0840070A1 - Air extractor for ventilator - Google Patents
Air extractor for ventilator Download PDFInfo
- Publication number
- EP0840070A1 EP0840070A1 EP97402631A EP97402631A EP0840070A1 EP 0840070 A1 EP0840070 A1 EP 0840070A1 EP 97402631 A EP97402631 A EP 97402631A EP 97402631 A EP97402631 A EP 97402631A EP 0840070 A1 EP0840070 A1 EP 0840070A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- extractor according
- diameter
- extractor
- cup
- central part
- 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
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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
Definitions
- the invention relates to an air extractor for ventilation.
- the invention aims to propose an extractor of the type in question presenting a simpler embodiment and less expensive.
- the invention relates to an extractor of the type defined above in which the upper part present in the form of a cup of general shape circular with an offset central part axially, further away from the median plane of the part inner than the outer annular part.
- the extractor 1 according to the invention is intended for be fixed on a duct 2.
- the extractor 1 comprises a flange corresponding to conduit 2 and facilitating the attachment to this conduit.
- Extractor 1 has a general axis of symmetry 3 which, when the extractor 1 is mounted, is placed vertically or substantially vertically.
- extractor 1 can occupy any position.
- axis 3 is an axis of revolution, extractor 1 being of general shape circular around axis 3.
- the extractor 1 has a lower part 4 and an upper part 5.
- the two parts 4, 5 are placed opposite but separated from each other by being joined to one another the other by means of spacers such as 6. These spacers 6 extend parallel to axis 3.
- Parts 4 and 5 define a free space 7, open to the outside, forming a venturi.
- the free space 7 is in communication with a opening 8 in the lower part 4 at its upper end.
- This opening 8 is itself in communication with conduit 2.
- the lower part 4 has a shaped part 9 general frustoconical whose small base, upper, where is finds the opening 8, is turned towards the upper part 5 while the large base 11, lower, is turned opposite the top 5.
- the diameter of the large base 11 is of the order of 1.6 to 2.5 times the diameter d of the small base 10, or of opening 8.
- the angle ⁇ between the large base 11 and the wall inclined 9a of the part 9 is for example between 20 ° and 45 °.
- the lower part 4 comprises, in addition to a first part such as 9, a second piece 12 which, like the first piece 9, is shaped general frustoconical.
- the second part 12 is associated with the first part 9 so that their large bases 11, 13 are common or substantially common and that their small bases 10, 14 are opposite and separated from each other.
- the small base 10 can be overcome, towards the upper part 5, of a lip 10a, shown in the Figures 2 and 3, of substantially circular section, axis 3 and of diameter d identical to that of the small base 10.
- the height h 1 of the lip 10a -counted parallel to the axis 3- is of the order of 0.01 to 0.02 times the diameter d.
- the height h 2 -counted along the axis 3-between the free peripheral edge of the lip 10a and the upper part 5 is of the order of 0.45 to 0.8 times the diameter d.
- the upper part 5 is in the form of a flattened cup.
- This cup 5 is generally circular in shape.
- the cup 5 comprises a central part 15, transverse, axially offset from the part remaining annular outer 16.
- This axial offset is such that the central part 15 is further away from the median plane of the lower part 4 than is the outer annular part 16.
- the plane P can be the plane placed between the two bases 10, 11.
- the plane P can be defined by the large bases 11, 13.
- the outside diameter of the cup 5 is equal to or close to the outside diameter of the lower part 4 defined by the major base (s) 11, 13.
- the diameter of the central part 15 is equal to or close to the diameter of the opening 8. It is, in the modes shown, between 0.8 and 1.25 times the diameter d of the small base 10.
- the diameter of the central part 15 is, in the achievement considered, between 0.4 and 0.6 times approximately the outside diameter of the cup 5.
- the diameter of the central part 15 is of the order of half the outside diameter of the cup 5.
- the axial offset of the central part 15 by relative to the annular outer part 16 - along the axis 3- is about a tenth of the diameter of the part central 15, and preferably of the order of 0.15 to 0.5 times the diameter d of the small base 10.
- the transverse central part 15 is flat or substantially flat, as is the exterior ring finger 16.
- the transverse central part 15 is connected to the annular outer part 16 by a wall of connection 17 of generally frustoconical shape, inclined by in relation to axis 3.
- This connecting wall 17 is on the side of the central part 15 and its large diameter of the side of the annular outer part 16.
- the angle of inclination of the connection wall 17 on axis 3 is between 15 ° and 45 °.
- this angle is of the order of 20 °.
- the upper part forming a cup 5 comprises in the embodiment shown, an outer edge 18 falling towards the midplane P.
- the axial length of the falling outer edge 18 is of the order of one third or two thirds of the axial offset of the central part 15 relative to the external part ring finger 16.
- the angle of inclination of the falling outer edge 18 on axis 3 can be of the same order of magnitude as that of the connection wall 17.
- Extractor 1 is then of type static.
- Space 19 allows the housing of the blade or blades 20 of a turbine 21 fixed to the cup 5 while being placed at opposite of the lower part 4.
- the extractor 1 can then be of the static type or, when the turbine 21 is operating, of dynamic type.
- the extractor 1 includes such a turbine, it is preferable that it be provided with a cover protection 22.
- This protective cover 22 is fixed to the cup 5, on the side opposite the lower part 4.
- Such a cover 22 has a generally conical shape or frustoconical with, in the latter case, a wall upper transverse 23.
- Such a cover 22 can be fixed to the part outer annular 16 in the vicinity of the falling edge 18.
- An opening 24 may be provided between the cover 22 and the annular outer part 16 so as to allow the air circulation inside the cover 22.
- the cover 22 is of generally frustoconical shape, for improve air circulation, and therefore the cooling of the turbine 21, an opening is provided 23a formed in the upper wall 23 of the cover 22.
- the wall 23 is surmounted by a hat 25, of generally conical shape.
- the base 25a of the cap 25 is fixed to the wall 23 with a space 26 between them for the evacuation of air from opening 23a.
- the extractor When the extractor is of dynamic type, it can optionally have a lower part 4 with a part single 9 as shown in Figure 3 or with two pieces such as 9 and 12.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Apparatus For Making Beverages (AREA)
- Extraction Or Liquid Replacement (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Medicines Containing Plant Substances (AREA)
- Food-Manufacturing Devices (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
Description
L'invention concerne un extracteur d'air destiné à la ventilation.The invention relates to an air extractor for ventilation.
On connaít déjà différentes formes de réalisation d'extracteur d'air pour la ventilation de locaux.We already know different embodiments air extractor for ventilation of premises.
On peut se référer en particulier aux documents FR-A-2.374.591, FR-A-2.438.795, FR-A-2.474.651, FR-A-2.514.469, FR-A-2.518.710, FR-A-2.647.881, FR-A-2.651.563, FR-A-2.658.271 et FR-A-2.709.534.We can refer in particular to documents FR-A-2,374,591, FR-A-2.438.795, FR-A-2.474.651, FR-A-2.514.469, FR-A-2.518.710, FR-A-2.647.881, FR-A-2.651.563, FR-A-2,658,271 and FR-A-2,709,534.
Ces différents documents révèlent un extracteur du type comportant une partie inférieure et une partie supérieure placées en regard mais écartées l'une de l'autre en étant solidarisées l'une à l'autre au moyen d'entretoises, définissant entre elles un espace libre ouvert formant venturi en communication avec une ouverture ménagée dans la partie inférieure.These various documents reveal an extractor of the type with a lower part and a part superior placed opposite but separated from each other by being joined to each other by means spacers, defining between them a free space open forming venturi in communication with an opening formed in the lower part.
L'invention vise à proposer un extracteur du type en question présentant une forme de réalisation plus simple et moins coûteuse.The invention aims to propose an extractor of the type in question presenting a simpler embodiment and less expensive.
A cet effet, l'invention concerne un extracteur du type défini plus haut dans lequel la partie supérieure se présente sous la forme d'une coupelle de forme générale circulaire comportant une partie centrale décalée axialement, plus écartée du plan médian de la partie intérieure que la partie extérieure annulaire.To this end, the invention relates to an extractor of the type defined above in which the upper part present in the form of a cup of general shape circular with an offset central part axially, further away from the median plane of the part inner than the outer annular part.
Les autres caractéristiques de l'invention résulteront de la description qui suivra en référence aux dessins annexés dans lesquels :
- la figure 1 est une vue schématique en coupe d'un plan axial vertical d'un extracteur selon l'invention de type statique, selon une première forme de réalisation ;
- la figure 2 est une vue correspondant à celle de la figure 1 d'une seconde variante de réalisation de l'extracteur statique ;
- la figure 3 est une vue schématique correspondant à celle de la figure 1 d'une variante de réalisation correspondant à un extracteur pouvant fonctionner de façon statique ou dynamique.
- Figure 1 is a schematic sectional view of a vertical axial plane of an extractor according to the invention of the static type, according to a first embodiment;
- Figure 2 is a view corresponding to that of Figure 1 of a second alternative embodiment of the static extractor;
- Figure 3 is a schematic view corresponding to that of Figure 1 of an alternative embodiment corresponding to an extractor that can operate statically or dynamically.
L'extracteur 1, selon l'invention, est destiné à
être fixé sur un conduit 2.The
Le cas échéant, l'extracteur 1 comporte une
collerette correspondant au conduit 2 et facilitant la
fixation à ce conduit.Where appropriate, the
L'extracteur 1 présente un axe général de symétrie
3 qui, lorsque l'extracteur 1 est monté, est placé
verticalement ou sensiblement verticalement.
C'est par rapport à cette position montée qu'est
faite la description, étant entendu qu'avant montage,
l'extracteur 1 peut occuper n'importe quelle position.It is in relation to this mounted position that
make the description, it being understood that before mounting,
D'une façon générale, l'axe 3 est un axe de
révolution, l'extracteur 1 étant de forme générale
circulaire autour de l'axe 3.In general,
L'extracteur 1 comporte une partie inférieure 4 et
une partie supérieure 5. The
Les deux parties 4, 5 sont placées en regard mais
écartées l'une de l'autre en étant solidarisées l'une à
l'autre au moyen d'entretoises telles que 6. Ces
entretoises 6 s'étendent parallèlement à l'axe 3.The two
Les parties 4 et 5 définissent entre elles un
espace libre 7, ouvert vers l'extérieur, formant venturi.
L'espace libre 7 est en communication avec une ouverture 8 ménagée dans la partie inférieure 4 à son extrémité supérieure.The free space 7 is in communication with a opening 8 in the lower part 4 at its upper end.
Cette ouverture 8 est elle-même en communication avec le conduit 2.This opening 8 is itself in communication with conduit 2.
Dans les variantes de réalisation des figures 1 et
3, la partie inférieure 4 comporte une pièce 9 de forme
générale tronconique dont la petite base, supérieure, où se
trouve l'ouverture 8, est tournée vers la partie supérieure
5 tandis que la grande base 11, inférieure, est tournée
vers l'opposé de la partie supérieure 5.In the variant embodiments of FIGS. 1 and
3, the lower part 4 has a shaped part 9
general frustoconical whose small base, upper, where is
finds the opening 8, is turned towards the
Le diamètre de la grande base 11 est de l'ordre de
1,6 à 2,5 fois le diamètre d de la petite base 10, ou de
l'ouverture 8.The diameter of the
L'angle α entre la grande base 11 et la paroi
inclinée 9a de la pièce 9 est par exemple compris entre 20°
et 45°.The angle α between the
Dans le cas de la figure 2, la partie inférieure 4
comporte, outre une première pièce telle que 9, une seconde
pièce 12 qui, comme la première pièce 9, est de forme
générale tronconique. In the case of Figure 2, the lower part 4
comprises, in addition to a first part such as 9, a
La seconde pièce 12 est associée à la première
pièce 9 de manière que leurs grandes bases 11, 13 soient
communes ou sensiblement communes et que leurs petites
bases 10, 14 soient opposées et écartées l'une de l'autre.The
La petite base 10 peut être surmontée, vers la
partie supérieure 5, d'une lèvre 10a, représentée sur les
figures 2 et 3, de section sensiblement circulaire, d'axe 3
et de diamètre d identique à celui de la petite base 10.The
La hauteur h1 de la lèvre 10a -comptée
parallèlement à l'axe 3- est de l'ordre de 0,01 à 0,02 fois
le diamètre d.The height h 1 of the
En outre, la hauteur h2 -comptée suivant l'axe 3-entre
la bord périphérique libre de la lèvre 10a et la
partie supérieure 5 est de l'ordre de 0,45 à 0,8 fois le
diamètre d.In addition, the height h 2 -counted along the axis 3-between the free peripheral edge of the
La partie supérieure 5 se présente sous la forme
d'une coupelle aplatie.The
Cette coupelle 5 est de forme générale circulaire.This
La coupelle 5 comprend une partie centrale 15,
transversale, décalée axialement par rapport à la partie
restante extérieure annulaire 16.The
Ce décalage axial est tel que la partie centrale 15
est plus écartée du plan médian de la partie inférieure 4
que ne l'est la partie extérieure annulaire 16. This axial offset is such that the
On entend ici par plan médian de la partie inférieure 4 un plan P, transversal, passant par la partie médiane de la partie inférieure 4.Here we mean by median plane of the part lower 4 a plane P, transverse, passing through the part lower middle 4.
Par exemple, dans le cas d'une partie inférieure 4
ayant la forme de réalisation selon les figures 1 et 3, le
plan P peut être le plan placé entre les deux bases 10, 11.For example, in the case of a lower part 4
having the embodiment according to Figures 1 and 3, the
plane P can be the plane placed between the two
Dans le cas de la variante de réalisation de la
figure 2, le plan P peut être défini par les grandes bases
11, 13.In the case of the alternative embodiment of the
figure 2, the plane P can be defined by the
Le diamètre extérieur de la coupelle 5 est égal ou
voisin du diamètre d extérieur de la partie inférieure 4
définie par la ou les grandes bases 11, 13.The outside diameter of the
Le diamètre de la partie centrale 15 est égal ou
voisin du diamètre de l'ouverture 8. Il est, dans les modes
de réalisation représentés, compris entre 0,8 et 1,25 fois
le diamètre d de la petite base 10.The diameter of the
Le diamètre de la partie centrale 15 est, dans la
réalisation considérée, compris entre 0,4 et 0,6 fois
environ le diamètre extérieur de la coupelle 5.The diameter of the
En particulier, le diamètre de la partie centrale
15 est de l'ordre de la moitié du diamètre extérieur de la
coupelle 5.In particular, the diameter of the
Le décalage axial de la partie centrale 15 par
rapport à la partie extérieure annulaire 16 -suivant l'axe
3- est de l'ordre du dixième du diamètre de la partie
centrale 15, et de préférence, de l'ordre de 0,15 à 0,5
fois le diamètre d de la petite base 10. The axial offset of the
La partie centrale transversale 15 est plane ou
sensiblement plane, de même que la partie extérieure
annulaire 16.The transverse
La partie centrale transversale 15 est raccordée à
la partie extérieure annulaire 16 par une paroi de
raccordement 17 de forme générale tronconique, inclinée par
rapport à l'axe 3.The transverse
Le petit diamètre de cette paroi de raccordement 17
se trouve du côté de la partie centrale 15 et son grand
diamètre du côté de la partie extérieure annulaire 16.The small diameter of this connecting
L'angle d'inclinaison de la paroi de raccordement
17 sur l'axe 3 est compris entre 15° et 45°.The angle of inclination of the
Dans la réalisation représentée sur les dessins, cet angle est de l'ordre de 20°.In the embodiment shown in the drawings, this angle is of the order of 20 °.
La partie supérieure formant coupelle 5 comporte
dans la réalisation représentée, un bord extérieur 18
tombant vers le plan médian P.The upper part forming a
La longueur axiale du bord extérieur tombant 18 est
de l'ordre du tiers ou des deux tiers du décalage axial de
la partie centrale 15 par rapport à la partie extérieure
annulaire 16.The axial length of the falling
L'angle d'inclinaison du bord extérieur tombant 18
sur l'axe 3 peut être du même ordre de grandeur que celui
de la paroi de raccordement 17.The angle of inclination of the falling
Dans les réalisations objets des figures 1 et 2,
l'espace 19 ménagé par la partie centrale 15 et la paroi de
raccordement 17 est vide. L'extracteur 1 est alors de type
statique.In the embodiments of Figures 1 and 2,
the
L'espace 19 permet le logement de la ou des pales
20 d'une turbine 21 fixée à la coupelle 5 en étant placé à
l'opposé de la partie inférieure 4.
L'extracteur 1 peut alors être de type statique ou,
lorsque la turbine 21 fonctionne, de type dynamique.The
Lorsque l'extracteur 1 comporte une telle turbine,
il est préférable qu'il soit pourvu d'un capot de
protection 22.When the
Ce capot de protection 22 est fixé à la coupelle 5,
du côté opposé à la partie inférieure 4.This
Un tel capot 22 présente une forme générale conique
ou tronconique avec, dans ce dernier cas, une paroi
transversale supérieure 23.Such a
Un tel capot 22 peut être fixé à la partie
extérieure annulaire 16 au voisinage du bord tombant 18.
Une ouverture 24 peut être prévue entre le capot 22 et la
partie extérieure annulaire 16 de manière à permettre la
circulation de l'air à l'intérieur du capot 22.Such a
En outre, dans le mode de réalisation représenté,
où le capot 22 est de forme générale tronconique, pour
améliorer la circulation de l'air, et donc le
refroidissement de la turbine 21, on prévoit une ouverture
23a ménagée dans la paroi supérieure 23 du capot 22. Furthermore, in the embodiment shown,
where the
Comme représenté à la figure 3, la paroi 23 est
surmontée d'un chapeau 25, de forme générale conique. La
base 25a du chapeau 25 est fixée à la paroi 23 avec un
espace 26 entre eux pour l'évacuation de l'air provenant de
l'ouverture 23a.As shown in Figure 3, the
Lorsque l'extracteur est de type dynamique, il peut comporter, au choix, une partie inférieure 4 avec une pièce unique 9 telle que cela est représenté sur la figure 3 ou avec deux pièces telles que 9 et 12.When the extractor is of dynamic type, it can optionally have a lower part 4 with a part single 9 as shown in Figure 3 or with two pieces such as 9 and 12.
Claims (23)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9613459A FR2755505B1 (en) | 1996-11-05 | 1996-11-05 | AIR EXTRACTOR FOR VENTILATION |
FR9613459 | 1996-11-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0840070A1 true EP0840070A1 (en) | 1998-05-06 |
EP0840070B1 EP0840070B1 (en) | 2003-03-05 |
Family
ID=9497330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97402631A Expired - Lifetime EP0840070B1 (en) | 1996-11-05 | 1997-11-04 | Air extractor |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0840070B1 (en) |
AT (1) | ATE233882T1 (en) |
DE (1) | DE69719448T2 (en) |
ES (1) | ES2194169T3 (en) |
FR (1) | FR2755505B1 (en) |
HU (1) | HU221570B (en) |
PL (1) | PL184815B1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2869976A1 (en) * | 2004-05-06 | 2005-11-11 | Andre Amphoux | STATIC-TYPE AIR EXTRACTOR COMPRISING A SUPERIOR PART WHOSE EXTERNAL FACE IS INCLINED |
CN104121614A (en) * | 2014-07-25 | 2014-10-29 | 宁波方太厨具有限公司 | Rectification acceleration disk structure for range hood |
RU219718U1 (en) * | 2022-11-29 | 2023-08-01 | Андрей Николаевич Ирецкий | DEFLECTOR FOR SMOKE EXHAUST AND EXHAUST VENTILATION SYSTEMS |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2782781B1 (en) | 1998-09-02 | 2000-09-29 | Andre Amphoux | SAFETY DEVICE FOR GAS EVACUATION SYSTEMS |
FR2842586B1 (en) * | 2002-07-17 | 2005-05-20 | Invent Or | DEVICE FOR EXTRACTING GAS |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2262777A1 (en) * | 1974-02-28 | 1975-09-26 | Junqua Yves | Static chimney ventilator - housing with concave sides and gutter above, generating depression by wind deflection |
FR2374591A1 (en) | 1976-12-14 | 1978-07-13 | Amphoux Andre | Vacuum inducer for chimney stack - has baffle plate and venturi induced by cross-draught over cones separated by fins |
FR2435672A1 (en) * | 1978-09-06 | 1980-04-04 | Grp Interet Eco Maison | Natural draught roof ventilator - has cone shaped skirt on end of vertical external duct with flat topped S=shaped cap |
FR2438795A2 (en) | 1978-10-13 | 1980-05-09 | Amphoux Andre | Gas and noise absorber for factory chimney - has perforated steel sections holding glass fibre or rock wool acoustic absorbers |
FR2474651A1 (en) | 1980-01-25 | 1981-07-31 | Amphoux Andre | INSTALLATION OF REJECTION IN THE AMBIENT ATMOSPHERE OF A HIGH SPEED PRESSURE GASEOUS FLUID |
FR2514469A1 (en) | 1981-10-13 | 1983-04-15 | Amphoux Andre | STATIC, DYNAMIC AND MECHANICAL GAS FLUID VACUUM DEVICE |
FR2518710A1 (en) | 1981-12-18 | 1983-06-24 | Amphoux Andre | PERFECTLY STATIC GAS FLUID VACUUM CLEANER |
FR2647881A1 (en) | 1989-05-30 | 1990-12-07 | Amphoux Andre | MIXED VENTILATION DEVICE FOR A HOUSE |
FR2651563A1 (en) | 1989-09-06 | 1991-03-08 | Amphoux Andre | GAS SUCTION DEVICE. |
FR2658271A1 (en) | 1990-02-09 | 1991-08-16 | Amphoux Andre | Device for sucking in and discharging gases or fumes and installation comprising a plurality of such devices |
EP0641972A1 (en) * | 1993-09-03 | 1995-03-08 | André Amphoux | Static dynamic device for gaseous fluid removal |
-
1996
- 1996-11-05 FR FR9613459A patent/FR2755505B1/en not_active Expired - Lifetime
-
1997
- 1997-11-03 HU HU9701790A patent/HU221570B/en not_active IP Right Cessation
- 1997-11-04 AT AT97402631T patent/ATE233882T1/en not_active IP Right Cessation
- 1997-11-04 DE DE69719448T patent/DE69719448T2/en not_active Expired - Fee Related
- 1997-11-04 EP EP97402631A patent/EP0840070B1/en not_active Expired - Lifetime
- 1997-11-04 ES ES97402631T patent/ES2194169T3/en not_active Expired - Lifetime
- 1997-11-05 PL PL97323000A patent/PL184815B1/en not_active IP Right Cessation
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2262777A1 (en) * | 1974-02-28 | 1975-09-26 | Junqua Yves | Static chimney ventilator - housing with concave sides and gutter above, generating depression by wind deflection |
FR2374591A1 (en) | 1976-12-14 | 1978-07-13 | Amphoux Andre | Vacuum inducer for chimney stack - has baffle plate and venturi induced by cross-draught over cones separated by fins |
FR2435672A1 (en) * | 1978-09-06 | 1980-04-04 | Grp Interet Eco Maison | Natural draught roof ventilator - has cone shaped skirt on end of vertical external duct with flat topped S=shaped cap |
FR2438795A2 (en) | 1978-10-13 | 1980-05-09 | Amphoux Andre | Gas and noise absorber for factory chimney - has perforated steel sections holding glass fibre or rock wool acoustic absorbers |
FR2474651A1 (en) | 1980-01-25 | 1981-07-31 | Amphoux Andre | INSTALLATION OF REJECTION IN THE AMBIENT ATMOSPHERE OF A HIGH SPEED PRESSURE GASEOUS FLUID |
FR2514469A1 (en) | 1981-10-13 | 1983-04-15 | Amphoux Andre | STATIC, DYNAMIC AND MECHANICAL GAS FLUID VACUUM DEVICE |
FR2518710A1 (en) | 1981-12-18 | 1983-06-24 | Amphoux Andre | PERFECTLY STATIC GAS FLUID VACUUM CLEANER |
FR2647881A1 (en) | 1989-05-30 | 1990-12-07 | Amphoux Andre | MIXED VENTILATION DEVICE FOR A HOUSE |
EP0404615A1 (en) * | 1989-05-30 | 1990-12-27 | André Amphoux | Combined ventilation appliance for a living room |
FR2651563A1 (en) | 1989-09-06 | 1991-03-08 | Amphoux Andre | GAS SUCTION DEVICE. |
FR2658271A1 (en) | 1990-02-09 | 1991-08-16 | Amphoux Andre | Device for sucking in and discharging gases or fumes and installation comprising a plurality of such devices |
EP0641972A1 (en) * | 1993-09-03 | 1995-03-08 | André Amphoux | Static dynamic device for gaseous fluid removal |
FR2709534A1 (en) | 1993-09-03 | 1995-03-10 | Amphoux Andre | Static / dynamic device for evacuating gaseous fluid. |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2869976A1 (en) * | 2004-05-06 | 2005-11-11 | Andre Amphoux | STATIC-TYPE AIR EXTRACTOR COMPRISING A SUPERIOR PART WHOSE EXTERNAL FACE IS INCLINED |
WO2005116526A1 (en) * | 2004-05-06 | 2005-12-08 | Amphoux Andre | Static-type air extractor comprising an upper part whose outer surface is inclined |
CN104121614A (en) * | 2014-07-25 | 2014-10-29 | 宁波方太厨具有限公司 | Rectification acceleration disk structure for range hood |
CN104121614B (en) * | 2014-07-25 | 2016-12-28 | 宁波方太厨具有限公司 | A kind of rectification acceleration dish structure used for range hood |
RU219718U1 (en) * | 2022-11-29 | 2023-08-01 | Андрей Николаевич Ирецкий | DEFLECTOR FOR SMOKE EXHAUST AND EXHAUST VENTILATION SYSTEMS |
Also Published As
Publication number | Publication date |
---|---|
FR2755505B1 (en) | 1999-01-15 |
HUP9701790A2 (en) | 1998-07-28 |
FR2755505A1 (en) | 1998-05-07 |
HUP9701790A3 (en) | 1999-09-28 |
PL323000A1 (en) | 1998-05-11 |
ES2194169T3 (en) | 2003-11-16 |
DE69719448T2 (en) | 2004-01-15 |
PL184815B1 (en) | 2002-12-31 |
HU221570B (en) | 2002-11-28 |
ATE233882T1 (en) | 2003-03-15 |
DE69719448D1 (en) | 2003-04-10 |
EP0840070B1 (en) | 2003-03-05 |
HU9701790D0 (en) | 1997-12-29 |
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