EP3343121A1 - Vent for extracting or blowing air - Google Patents

Vent for extracting or blowing air Download PDF

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Publication number
EP3343121A1
EP3343121A1 EP17209501.0A EP17209501A EP3343121A1 EP 3343121 A1 EP3343121 A1 EP 3343121A1 EP 17209501 A EP17209501 A EP 17209501A EP 3343121 A1 EP3343121 A1 EP 3343121A1
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EP
European Patent Office
Prior art keywords
mouth
duct
modulation element
longitudinal axis
tubular
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
EP17209501.0A
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German (de)
French (fr)
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EP3343121B1 (en
Inventor
Laurent Demia
Dorian Fourmentin
Axel GAUDILLOT
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.)
Atlantic Climatisation and Ventilation SAS
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Atlantic Climatisation and Ventilation SAS
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Application filed by Atlantic Climatisation and Ventilation SAS filed Critical Atlantic Climatisation and Ventilation SAS
Publication of EP3343121A1 publication Critical patent/EP3343121A1/en
Application granted granted Critical
Publication of EP3343121B1 publication Critical patent/EP3343121B1/en
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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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/062—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser having one or more bowls or cones diverging in the flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser

Definitions

  • the invention relates to an air extraction or blowing mouth.
  • vents are connected to ventilation units or other equipment for extracting or blowing air into the building to be treated by means of ducts.
  • ventilation systems in particular centralized ventilation systems of the controlled mechanical ventilation type, often installed in the attic or roof terraces, are visible in the housing by these mouths that aesthetically mask the air inlet or outlet. .
  • vents can integrate additional functions, for example an orientation of the airflow by means of flaps, a control of a constant flow, a modulation of the flow according to the hygrometry of the room or a modulation of the flow in function a presence in the room.
  • the patent document KR 20-2015-0003460 discloses a mouth having a duct intended to be arranged in a wall and provided with a support flange on the wall, an outer front face plate having a front surface greater than the internal section of the duct and supporting the end of a central shaft also supported by the duct and on which can slide a modulation plate air flow through the mouth.
  • This type of mouth poses the following technical problem. If it has to be motorized, there are two possibilities of arranging the drive motor of the shaft.
  • the motor, the possible gears and the associated electronics can be arranged between the front plate and the flow modulation platform.
  • the thickness of the mouth and its size are important and problematic.
  • the motor may be disposed in the conduit at the back of the mouth near the other end of the shaft.
  • the motor, any gears and associated electronics are directly in the air flow through the mouth and pose a problem of pressure drop.
  • patent document US 2,558,421 relates to an air diffuser comprising a duct intended to be disposed in an orifice of a wall and provided with a radial support flange on the wall, a front plate secured to the duct and a flow modulation element mobile air from an open position to a closed position of the airflow exiting from or entering the mouth between the radial support flange of the duct and the facade plate, by axial displacement along the longitudinal axis of the duct .
  • the diffuser comprises a drive actuator of the modulation element held between the rear face of the facade plate and the modulation element and the modulation element is tubular with the same longitudinal axis as the conduit.
  • the diffuser described in this document poses a problem of guiding the flow of air within it, which is disturbed.
  • the invention solves these problems by proposing an air extraction or blowing mouth modulating the flow rate by restricting its pressure losses and which is of limited size, of optimal aesthetics because having no orifice passage air visible from the outside and excellent mechanical stability, while being particularly simple manufacturing.
  • an air extraction or insufflation mouth comprising a duct intended to be disposed in an orifice of a wall and provided with a radial support flange on said wall, a plate integral with said duct and a moving air volume modulation element from an open position to a position closed air flow exiting from or entering the mouth between said radial support flange of the duct and said facade plate, by axial displacement along the longitudinal axis of said duct, mouth comprising a drive actuator of said element modulation device maintained between the rear face of said facade plate and said modulation element and said modulation element being tubular with the same longitudinal axis as said conduit, said modulation element comprising a tubular support part having the same longitudinal axis as said conduit, of generator right and in translation on the inner face of the duct, mouth characterized in that said support portion carries at least one guide portion of the air flow, tubular longitudinal axis parallel to the longitudinal axis of said duct, said support portion having orifices adapted to ensure
  • tubular it is of course understood a form having a passage in its center
  • the tubular constitution of the modulation element ensures an optimal space saving in the thickness of the mouth.
  • This arrangement also ensures a mechanical robustness of all the parts constituting the mouth.
  • the pressure drop in the open position is greatly reduced, which can reduce the operating pressure of the ventilation unit, and thus the noise and consumption generated.
  • tubular generator right it is of course a hollow cylindrical shape, circular section, square or other.
  • said guide portion of the tubular air flow is of the same longitudinal axis as said conduit.
  • the guide portion of the tubular air flow is radially flared curve generator.
  • This shape of the guiding portion ensures optimal guidance of the air flow out of or into the mouth between the radial support flange of the duct and said facade plate and reduces the pressure losses.
  • said support portion carries two airflow guide portions, front and rear, tubular longitudinal axis parallel to the longitudinal axis of said conduit, the support portion having orifices capable of ensuring the passage of the flow of air exiting from or entering the mouth between said radial support flange of the duct and said face plate towards said guide portions, in the open position, and towards a channel disposed between the two guide parts, in an intermediate position between said open position and said closed position.
  • the two said air flow guide portions, front and rear, tubular are of the same longitudinal axis as said duct.
  • the two so-called guide portions of the air flow, front and rear, tubular are radially flared curve generator.
  • This shape of the guiding portions ensures optimum guidance of the air flow exiting from or entering the mouth between the radial support flange of the duct and said facade plate and reduces the pressure losses.
  • the front end of said modulation element is in abutment substantially airtight against said front plate, in open position.
  • the front end of said modulation element comprises at least one interlocking notch with a fixed part of said front plate.
  • the facade plate may be secured to the conduit by means of feet carried by the rear of the facade plate and said fixed part of said front plate is one of these feet.
  • the front end of said modulation element comprises a radial flange coming into abutment substantially sealed against said radial support flange, in closed position.
  • the modulation element is translationally driven by a screw and nut arrangement.
  • said drive actuator of said modulation element is integral with said front plate and said modulation element comprises a tapping or a rack with a longitudinal axis parallel to the longitudinal axis of the pipe and cooperating with a linked screw.
  • actuator which is a rotary motor, this tapping, this rack or this screw having a height strictly greater than the displacement amplitude of said modulation element.
  • said drive actuator is connected to a worm with a longitudinal axis perpendicular to the longitudinal axis of the duct, the drive actuator rotating said worm on which is moved a connected nut. by a first lever articulated to said front plate and by a second lever articulated to said modulation element.
  • said integral part of said radial support flange also carries a third lever articulated to said front plate and a fourth lever articulated to said modulation element.
  • the mouth is equipped with at least one energy recovery device at least partially ensuring its self-power supply and providing an electrical signal and in that it comprises an electronic processing device of said electrical signal.
  • the mouth can also be powered by replaceable batteries or by a wire feed from a ventilation group.
  • said energy recovery device comprises a turbine disposed within the conduit, said turbine being connected to a generator transforming its mechanical rotational energy into said electrical signal, the latter being correlated to the air flow through the mouth.
  • the energy recovery device may also be a solar panel capturing the lighting of the room to be ventilated, the photovoltaic cell of which is preferably placed on the visible face of the facade plate.
  • Said turbine is advantageously a helical turbine whose axis of rotation is substantially parallel to the longitudinal axis of said duct.
  • Said facade plate may have a front surface greater than the inner section of said duct.
  • Said facade plate may have its smallest frontal dimension greater than the maximum diameter of said flange of said duct.
  • a control device of said actuator is included on a printed circuit board on said mouth.
  • control device is slaved according to the state of a sensor connected to said printed circuit and / or according to a flow measurement in the sheath in fluid communication with the mouth and / or according to a control instruction provided by the user.
  • the invention also relates to a ventilation installation provided with a fan and a network of ducts, characterized in that it comprises at least one such mouth in air communication with said network and said fan.
  • the Figures 1 to 3 represent a first embodiment of a mouth according to the invention.
  • This mouth of extraction or air insufflation comprises a conduit 1 intended to be disposed in an orifice of a wall and provided with a radial flange 1A support on the wall, a front plate 2 secured to the duct 1 and an air flow modulation element 3 movable from an open position to a closed position of the flow of air exiting from or entering the mouth between the radial support flange 1A of the duct and the front plate 2 , by axial displacement along the longitudinal axis A of the duct.
  • the face plate 2 has a front surface greater than the inner section of the duct 1 and advantageously has its smallest frontal dimension greater than the maximum diameter of said flange 1A of said duct.
  • a ventilation installation provided with a fan and a network of ducts, comprises at least one such mouth in air communication with the network and the fan.
  • the mouth comprises a drive actuator 4 of the modulation element 3 held between the rear face of the front plate 2 and the modulation element 3.
  • the modulation element 3 comprises a tubular 3D support part having the same longitudinal axis A as the duct 1, of the right generator and in translation on the internal face of the duct.
  • This part of 3D support is here represented by circular section cooperating directly with the conduit 1 itself circular, but one or the other may be any section such as square.
  • this 3D support part carries a guide portion 3A of the tubular air flow of longitudinal axis parallel to the longitudinal axis A of the duct, the 3D support portion comprising 3D2 orifices adapted to ensure the flow of air leaving or entering the mouth between the radial support flange 1A of the duct and the front plate 2 towards the 3D guide portion, in the open position.
  • the guide portion 3A of the tubular air flow is of the same longitudinal axis A as the radially flared curve of the duct and generator.
  • the 3D support part thus comprises 3D2 orifices adapted to ensure the passage of the air flow exiting from or entering the mouth between the radial support flange 1A of the duct and the front plate 2 towards the guiding portion 3A, in open position ( figure 3 ), and in an intermediate position ( figure 2 ) between the open position and the closed position ( figure 1 ).
  • the front end of the modulation element 3, and more precisely of the 3D support part, comprises at least one interlocking notch with a fixed part of the front plate 2. More precisely , the faceplate 2 is secured to the duct 1 by means of feet 2A carried by the rear of this facade plate and screwed and this fixed part of the facade plate 2 is one of these feet 2A, a longitudinal flange of which is nested. in this notch this to block in rotation said modulation element.
  • the drive actuator 4 of the modulation element 3 is integral with the front plate 2 and the modulation element 3 comprises a tapping or a rack 7 cooperating with a screw 6 connected to the actuator 4 which is a rotary engine, this tapping, this rack 7 or this screw having a height strictly greater than the displacement of said modulation element 3 so as to ensure a complete race of the latter.
  • this tapping or rack 7 is constituted by a threaded section projecting in front of the guide portion 3A.
  • the mouth is also equipped with at least one energy recovery device at least partially ensuring its self-power supply and providing an electrical signal and comprises an electronic processing device of this electrical signal.
  • this energy recovery device comprises a helical turbine 7 'whose axis of rotation is substantially parallel to the longitudinal axis A of the duct, disposed at the rear of the guiding portion 3A, and this turbine 7 'is connected to a generator 8 transforming its mechanical rotational energy into the electrical signal potentially coupled to the position of the modulation element and correlated to the air flow through the mouth.
  • a control device of the actuator 4 is included on a printed circuit board on said mouth and is controlled according to the state of a sensor connected to said printed circuit and / or according to a flow measurement in the sheath in communication with fluid with the mouth and / or according to a command instruction provided by the user by radio or wired.
  • FIGS. 4 to 13 represent a second embodiment of a mouth according to the invention.
  • the modulation element 30 also comprises a rear support tubular portion 30D of the same longitudinal axis A as the duct 10 and of the right generator, and sliding on the inner face of the duct, in a simple translation parallel to the axis A.
  • This support portion 30D here carries two airflow guiding portions 30A and 30B rear, tubular longitudinal axis to the longitudinal axis A of the conduit 10, the support portion having 30D2 orifices adapted to provide the passage of the flow of air exiting from or entering the mouth between the radial support flange 10A of the duct and the front plate 20 towards the guide portions 30A, 30B, in the open position ( figure 6 ), and to a channel 30C disposed between the two guide parts, in an intermediate position ( figure 5 ) between the open position and said closed position ( figure 4 ).
  • the front end of the modulation element 30, and more precisely the support portion 30D comprises at least one notch 30A1 interlocking with a fixed portion of the facade plate 20. More specifically, the plate of frontage 20 is integral with the duct 10 by means of feet 20A carried by the rear of this face plate and screwed and this fixed part of the front plate 20 is one of these feet 20A whose longitudinal flange 20A1 is fitted in this notch thus blocking the rotation movement.
  • the drive actuator 40 of the modulation element 30 is integral with the front plate 20 and the modulation element 30 comprises a tapping or a rack 70 cooperating with a screw 60 connected to the actuator 40 which is a rotary motor, this tapping, this rack 70 or this screw having a height strictly greater than the displacement amplitude of said modulation element 30.
  • this tapping or rack 70 is constituted by a threaded section protruding forward of the front guide portion 30A.
  • the mouth is also equipped with at least one energy recovery device at least partially ensuring its self-power supply and providing an electrical signal and comprises an electronic processing device of this electrical signal.
  • this energy recovery device comprises a helical turbine 70 'whose axis of rotation is substantially parallel to the longitudinal axis A of the duct, disposed at the rear of the guiding portion 30A, and this turbine 70 'is connected to a generator 80 transforming its mechanical rotational energy into the electrical signal potentially coupled to the position of the modulation element and correlated to the air flow through the mouth.
  • a control device of the actuator 40 is included on a printed circuit board on said mouth and is controlled according to the state of a sensor connected to said printed circuit and / or according to a flow measurement in the sheath in communication with fluid with the mouth and / or according to a control instruction provided by the user.
  • the skilled person can play on the ratios of the passage surfaces of the air flow between these two passageways to identify the right compromise between at least one of the following criteria: turbine start flow, loss load in open position, maximum speed of the turbine, acoustic ...
  • the drive actuator 40 ' is connected to a worm 80 of longitudinal axis perpendicular to the longitudinal axis of the conduit, which it rotates and on which is moved a nut 90 connected by a first lever 100A articulated to the front plate 20 and a second lever 100B articulated to the modulation element 30 and more specifically to the front guide portion 30A.
  • the part carrying the actuator 40 'and the worm 80 also carries a third lever 100C hinged to the front plate 20 and a fourth lever 100D hinged to said modulation element 30 and more specifically to the front guide portion 30A, to strengthen the mechanical strength.
  • a control device of the actuator 40 ' is included on a printed circuit board on said mouth and is slaved according to the state of a sensor connected to said printed circuit and / or according to a measurement of flow in the sheath in communication fluid with the mouth and / or according to a user-provided control command.

Abstract

L'invention concerne une bouche d'extraction ou d'insufflation d'air comportant un conduit (1, 10) destiné à être disposé dans un orifice d'une paroi et pourvu d'une bride radiale (1A, 10A) d'appui sur ladite paroi, une plaque de façade (2) solidaire dudit conduit (1, 10) et un élément de modulation du débit d'air (3, 30) mobile d'une position ouverte à une position fermée du flux d'air sortant de ou entrant dans la bouche entre ladite bride (1A, 10A) radiale d'appui du conduit et ladite plaque de façade (2, 20), par déplacement axial le long de l'axe longitudinal (A) dudit conduit, bouche comportant un actionneur d'entraînement (4, 40, 40') dudit élément de modulation (3, 30) maintenu entre la face arrière de ladite plaque de façade (2, 20) et ledit élément de modulation (3, 30) et ledit élément de modulation (3, 30) étant tubulaire de même axe longitudinal (A) que ledit conduit, ledit élément de modulation (3, 30) comportant une partie de support (3D, 30D) tubulaire de même axe longitudinal (A) que ledit conduit, de génératrice droite et en translation sur la face interne du conduit.The invention relates to an air extraction or insufflation mouth comprising a duct (1, 10) intended to be arranged in an orifice of a wall and provided with a radial support flange (1A, 10A) on said wall, a front plate (2) integral with said duct (1, 10) and an air flow modulation element (3, 30) movable from an open position to a closed position of the outgoing air flow of or entering the mouth between said radial support flange (1A, 10A) of the duct and said face plate (2, 20), by axial displacement along the longitudinal axis (A) of said duct, mouth having a driving actuator (4, 40, 40 ') of said modulation element (3, 30) held between the rear face of said facade plate (2, 20) and said modulation element (3, 30) and said modulation (3, 30) being tubular with the same longitudinal axis (A) as said conduit, said modulation element (3, 30) having a support portion (3D, 30D) tu bulaire of the same longitudinal axis (A) as said conduit, of right generator and in translation on the inner face of the conduit.

Selon l'invention, ladite partie de support porte au moins une partie de guidage (3A) du flux d'air, tubulaire d'axe longitudinal parallèle à l'axe longitudinal (A) dudit conduit, ladite partie de support (3D) comportant des orifices (3D2) aptes à assurer le passage du flux d'air sortant de ou entrant dans la bouche entre ladite bride (1A) radiale d'appui du conduit et ladite plaque de façade (2) vers ladite partie de guidage, en position ouverte.

Figure imgaf001
According to the invention, said support portion carries at least one guide portion (3A) of the tubular air flow of longitudinal axis parallel to the longitudinal axis (A) of said duct, said support portion (3D) comprising orifices (3D2) capable of ensuring the passage of the flow of air exiting from or entering the mouth between said radial support flange (1A) of the duct and said front plate (2) towards said guiding portion, in position opened.
Figure imgaf001

Description

L'invention concerne une bouche d'extraction ou d'insufflation d'air.The invention relates to an air extraction or blowing mouth.

Ces bouches sont connectées à des unités de ventilation ou d'autres équipements d'extraction ou d'insufflation d'air dans le bâtiment à traiter au moyen de gaines. Ces systèmes de ventilation, en particulier des systèmes de ventilation centralisés de type ventilation mécanique contrôlée, souvent installés dans les combles ou les toitures terrasses, sont visibles dans le logement par ces bouches qui masquent de façon esthétique l'entrée ou la sortie d'air.These vents are connected to ventilation units or other equipment for extracting or blowing air into the building to be treated by means of ducts. These ventilation systems, in particular centralized ventilation systems of the controlled mechanical ventilation type, often installed in the attic or roof terraces, are visible in the housing by these mouths that aesthetically mask the air inlet or outlet. .

Ces bouches peuvent intégrer des fonctions supplémentaires, par exemple une orientation du flux d'air au moyen de volets, un contrôle d'un débit constant, une modulation du débit en fonction de l'hygrométrie de la pièce ou une modulation du débit en fonction d'une présence dans la pièce.These vents can integrate additional functions, for example an orientation of the airflow by means of flaps, a control of a constant flow, a modulation of the flow according to the hygrometry of the room or a modulation of the flow in function a presence in the room.

Le document de brevet KR 20-2015-0003460 décrit une bouche comportant un conduit destiné à être disposé dans une paroi et pourvu d'une bride d'appui sur la paroi, une plaque de façade avant extérieure de surface frontale supérieure à la section intérieure du conduit et supportant l'extrémité d'un arbre central également supporté par le conduit et sur lequel peut coulisser un plateau de modulation du débit d'air traversant la bouche.The patent document KR 20-2015-0003460 discloses a mouth having a duct intended to be arranged in a wall and provided with a support flange on the wall, an outer front face plate having a front surface greater than the internal section of the duct and supporting the end of a central shaft also supported by the duct and on which can slide a modulation plate air flow through the mouth.

Ce type de bouche pose le problème technique suivant. Si elle doit être motorisée, il existe deux possibilités d'agencement du moteur d'entraînement de l'arbre.This type of mouth poses the following technical problem. If it has to be motorized, there are two possibilities of arranging the drive motor of the shaft.

Le moteur, les éventuels engrenages et l'électronique associés peuvent être disposés entre la plaque de façade et le plateau de modulation du débit. Cependant, dans ce cas, l'épaisseur de la bouche et son encombrement sont importantes et problématiques.The motor, the possible gears and the associated electronics can be arranged between the front plate and the flow modulation platform. However, in this case, the thickness of the mouth and its size are important and problematic.

Le moteur peut être disposé dans le conduit à l'arrière de la bouche à proximité de l'autre extrémité de l'arbre. Cependant, dans ce cas, le moteur, les éventuels engrenages et l'électronique associés se trouvent directement dans le flux d'air traversant la bouche et posent un problème de perte de charge.The motor may be disposed in the conduit at the back of the mouth near the other end of the shaft. However, in this case, the motor, any gears and associated electronics are directly in the air flow through the mouth and pose a problem of pressure drop.

Par ailleurs, le document de brevet US 2 558 421 concerne un diffuseur d'air comportant un conduit destiné à être disposé dans un orifice d'une paroi et pourvu d'une bride radiale d'appui sur la paroi, une plaque de façade solidaire du conduit et un élément de modulation du débit d'air mobile d'une position ouverte à une position fermée du flux d'air sortant de ou entrant dans la bouche entre la bride radiale d'appui du conduit et la plaque de façade, par déplacement axial le long de l'axe longitudinal du conduit.In addition, the patent document US 2,558,421 relates to an air diffuser comprising a duct intended to be disposed in an orifice of a wall and provided with a radial support flange on the wall, a front plate secured to the duct and a flow modulation element mobile air from an open position to a closed position of the airflow exiting from or entering the mouth between the radial support flange of the duct and the facade plate, by axial displacement along the longitudinal axis of the duct .

Le diffuseur comporte un actionneur d'entraînement de l'élément de modulation maintenu entre la face arrière de la plaque de façade et l'élément de modulation et l'élément de modulation est tubulaire de même axe longitudinal que le conduit.The diffuser comprises a drive actuator of the modulation element held between the rear face of the facade plate and the modulation element and the modulation element is tubular with the same longitudinal axis as the conduit.

Le diffuseur décrit dans ce document pose un problème de guidage du flux d'air en son sein, qui est perturbé.The diffuser described in this document poses a problem of guiding the flow of air within it, which is disturbed.

L'invention résout ces problèmes en proposant une bouche d'extraction ou d'insufflation d'air modulant le débit en restreignant ses pertes de charges et qui soit d'encombrement restreint, d'esthétique optimale car ne présentant pas d'orifice de passage d'air visible de l'extérieur et de stabilité mécanique excellente, tout en étant de fabrication particulièrement simple.The invention solves these problems by proposing an air extraction or blowing mouth modulating the flow rate by restricting its pressure losses and which is of limited size, of optimal aesthetics because having no orifice passage air visible from the outside and excellent mechanical stability, while being particularly simple manufacturing.

Pour ce faire, l'invention propose une bouche d'extraction ou d'insufflation d'air comportant un conduit destiné à être disposé dans un orifice d'une paroi et pourvu d'une bride radiale d'appui sur ladite paroi, une plaque de façade solidaire dudit conduit et un élément de modulation du débit d'air mobile d'une position ouverte à une position fermée du flux d'air sortant de ou entrant dans la bouche entre ladite bride radiale d'appui du conduit et ladite plaque de façade, par déplacement axial le long de l'axe longitudinal dudit conduit, bouche comportant un actionneur d'entraînement dudit élément de modulation maintenu entre la face arrière de ladite plaque de façade et ledit élément de modulation et ledit élément de modulation étant tubulaire de même axe longitudinal que ledit conduit, ledit élément de modulation comportant une partie de support tubulaire de même axe longitudinal que ledit conduit, de génératrice droite et en translation sur la face interne du conduit, bouche caractérisée en ce que ladite partie de support porte au moins une partie de guidage du flux d'air, tubulaire d'axe longitudinal parallèle à l'axe longitudinal dudit conduit, ladite partie de support comportant des orifices aptes à assurer le passage du flux d'air sortant de ou entrant dans la bouche entre ladite bride radiale d'appui du conduit et ladite plaque de façade vers ladite partie de guidage, en position ouverte.To do this, the invention proposes an air extraction or insufflation mouth comprising a duct intended to be disposed in an orifice of a wall and provided with a radial support flange on said wall, a plate integral with said duct and a moving air volume modulation element from an open position to a position closed air flow exiting from or entering the mouth between said radial support flange of the duct and said facade plate, by axial displacement along the longitudinal axis of said duct, mouth comprising a drive actuator of said element modulation device maintained between the rear face of said facade plate and said modulation element and said modulation element being tubular with the same longitudinal axis as said conduit, said modulation element comprising a tubular support part having the same longitudinal axis as said conduit, of generator right and in translation on the inner face of the duct, mouth characterized in that said support portion carries at least one guide portion of the air flow, tubular longitudinal axis parallel to the longitudinal axis of said duct, said support portion having orifices adapted to ensure the passage of the flow of air exiting from or entering the mouth between said radial flange supporting the conduit and said faceplate to said guide portion, in the open position.

Par « tubulaire », il est bien évidemment entendu une forme présentant un passage en son centreBy "tubular", it is of course understood a form having a passage in its center

La constitution tubulaire de l'élément de modulation assure un gain d'encombrement optimal en épaisseur de la bouche.The tubular constitution of the modulation element ensures an optimal space saving in the thickness of the mouth.

Cet agencement assure également une robustesse mécanique de l'ensemble des pièces constituant la bouche.This arrangement also ensures a mechanical robustness of all the parts constituting the mouth.

Le flux d'air sortant de ou entrant dans la bouche entre ladite bride radiale d'appui du conduit et ladite plaque de façade s'écoule sur sensiblement 360 degrés et l'élément de modulation assure son obturation sur une section sensiblement axisymétrique. Le passage d'air dans le conduit est donc invisible de la pièce équipée ce qui assure un effet esthétique.The flow of air exiting from or entering the mouth between said radial support flange of the duct and said facade plate flows over substantially 360 degrees and the modulation element closes on a substantially axisymmetric section. The passage of air in the duct is therefore invisible from the fitted room which ensures an aesthetic effect.

De plus, par une telle constitution, il est aisé par construction de modifier la section de passage du flux d'air au travers de la bouche.In addition, by such a constitution, it is easy by construction to change the passage section of the air flow through the mouth.

Grâce à l'invention, également, la perte de charge en position ouverte est fortement diminuée, ce qui peut permettre de diminuer la pression de fonctionnement du groupe de ventilation, et de ce fait le bruit et la consommation générés.Thanks to the invention, also, the pressure drop in the open position is greatly reduced, which can reduce the operating pressure of the ventilation unit, and thus the noise and consumption generated.

Enfin, une telle bouche peut aisément assurer deux niveaux de débit d'extraction ou d'insufflation d'air.Finally, such a mouth can easily provide two levels of extraction flow or air insufflation.

Par « tubulaire de génératrice droite », il est bien évidemment entendu une forme cylindrique creuse, de section circulaire, carrée ou autre.By "tubular generator right", it is of course a hollow cylindrical shape, circular section, square or other.

Le mouvement en translation, simple permet à la bouche d'avoir une bonne robustesse à l'encrassement avec des pièces relativement simples à fabriquer et à assembler.The movement in translation, simple allows the mouth to have a good resistance to fouling with relatively simple parts to manufacture and assemble.

Selon un mode de réalisation préféré, ladite partie de guidage du flux d'air tubulaire est de même axe longitudinal que ledit conduit.According to a preferred embodiment, said guide portion of the tubular air flow is of the same longitudinal axis as said conduit.

Avantageusement, la partie de guidage du flux d'air tubulaire est de génératrice courbe radialement évasée.Advantageously, the guide portion of the tubular air flow is radially flared curve generator.

Cette forme de la partie de guidage assure un guidage optimal du flux d'air sortant de ou entrant dans la bouche entre la bride radiale d'appui du conduit et ladite plaque de façade et diminue les pertes de charge.This shape of the guiding portion ensures optimal guidance of the air flow out of or into the mouth between the radial support flange of the duct and said facade plate and reduces the pressure losses.

Selon un autre mode de réalisation, ladite partie de support porte deux parties de guidage du flux d'air, avant et arrière, tubulaires d'axe longitudinal parallèle à l'axe longitudinal dudit conduit, la partie de support comportant des orifices aptes à assurer le passage du flux d'air sortant de ou entrant dans la bouche entre ladite bride radiale d'appui du conduit et ladite plaque de façade vers lesdites parties de guidage, en position ouverte, et vers un canal disposé entre les deux parties de guidage, dans une position intermédiaire entre ladite position ouverte et ladite position fermée.According to another embodiment, said support portion carries two airflow guide portions, front and rear, tubular longitudinal axis parallel to the longitudinal axis of said conduit, the support portion having orifices capable of ensuring the passage of the flow of air exiting from or entering the mouth between said radial support flange of the duct and said face plate towards said guide portions, in the open position, and towards a channel disposed between the two guide parts, in an intermediate position between said open position and said closed position.

De préférence, les deux dites parties de guidage du flux d'air, avant et arrière, tubulaires sont de même axe longitudinal que ledit conduit.Preferably, the two said air flow guide portions, front and rear, tubular are of the same longitudinal axis as said duct.

Avantageusement, les deux dites parties de guidage du flux d'air, avant et arrière, tubulaires sont de génératrice courbe radialement évasée.Advantageously, the two so-called guide portions of the air flow, front and rear, tubular are radially flared curve generator.

Cette forme des parties de guidage assure un guidage optimal du flux d'air sortant de ou entrant dans la bouche entre la bride radiale d'appui du conduit et ladite plaque de façade et diminue les pertes de charge.This shape of the guiding portions ensures optimum guidance of the air flow exiting from or entering the mouth between the radial support flange of the duct and said facade plate and reduces the pressure losses.

De préférence, l'extrémité avant dudit élément de modulation est en butée sensiblement étanche à l'air contre ladite plaque de façade, en position ouverte.Preferably, the front end of said modulation element is in abutment substantially airtight against said front plate, in open position.

Avantageusement, l'extrémité avant dudit élément de modulation comporte au moins une encoche d'emboîtement avec une partie fixe de ladite plaque de façade.Advantageously, the front end of said modulation element comprises at least one interlocking notch with a fixed part of said front plate.

La plaque de façade peut être solidaire du conduit au moyen de pieds portés par l'arrière de cette plaque de façade et ladite partie fixe de ladite plaque de façade est un de ces pieds.The facade plate may be secured to the conduit by means of feet carried by the rear of the facade plate and said fixed part of said front plate is one of these feet.

De préférence, l'extrémité avant dudit élément de modulation comporte une bride radiale venant en butée sensiblement étanche contre ladite bride radiale d'appui, en position fermée.Preferably, the front end of said modulation element comprises a radial flange coming into abutment substantially sealed against said radial support flange, in closed position.

De préférence, l'élément de modulation est entraîné en translation par un agencement de vis et d'écrou.Preferably, the modulation element is translationally driven by a screw and nut arrangement.

Selon une première variante, ledit actionneur d'entraînement dudit élément de modulation est solidaire de ladite plaque de façade et ledit élément de modulation comporte un taraudage ou une crémaillère d'axe longitudinal parallèle à l'axe longitudinal du conduite et coopérant avec une vis liée audit actionneur qui est un moteur rotatif, ce taraudage, cette crémaillère ou cette vis ayant une hauteur strictement supérieure à l'amplitude de déplacement dudit élément de modulation.According to a first variant, said drive actuator of said modulation element is integral with said front plate and said modulation element comprises a tapping or a rack with a longitudinal axis parallel to the longitudinal axis of the pipe and cooperating with a linked screw. actuator which is a rotary motor, this tapping, this rack or this screw having a height strictly greater than the displacement amplitude of said modulation element.

Selon une seconde variante, ledit actionneur d'entraînement est connecté à une vis sans fin d'axe longitudinal perpendiculaire à l'axe longitudinal du conduit, l'actionneur d'entraînement entraînant en rotation ladite vis sans fin sur laquelle est déplacé un écrou connecté par un premier levier articulé à ladite plaque de façade et par un deuxième levier articulé audit élément de modulation.According to a second variant, said drive actuator is connected to a worm with a longitudinal axis perpendicular to the longitudinal axis of the duct, the drive actuator rotating said worm on which is moved a connected nut. by a first lever articulated to said front plate and by a second lever articulated to said modulation element.

De préférence, ladite pièce solidaire de ladite bride radiale d'appui porte également un troisième levier articulé à ladite plaque de façade et par un quatrième levier articulé audit élément de modulation.Preferably, said integral part of said radial support flange also carries a third lever articulated to said front plate and a fourth lever articulated to said modulation element.

Avantageusement, la bouche est équipée d'au moins un dispositif de récupération d'énergie assurant au moins partiellement son auto-alimentation électrique et fournissant un signal électrique et en ce qu'elle comporte un dispositif de traitement électronique dudit signal électrique.Advantageously, the mouth is equipped with at least one energy recovery device at least partially ensuring its self-power supply and providing an electrical signal and in that it comprises an electronic processing device of said electrical signal.

En variante, la bouche peut également être alimentée au moyen de piles remplaçables ou par une alimentation filaire issue d'un groupe de ventilation.Alternatively, the mouth can also be powered by replaceable batteries or by a wire feed from a ventilation group.

Avantageusement, ledit dispositif de récupération d'énergie comporte une turbine disposée au sein du conduit, ladite turbine étant connectée à un générateur transformant son énergie mécanique de rotation en ledit signal électrique, ce dernier étant corrélé au débit d'air traversant la bouche.Advantageously, said energy recovery device comprises a turbine disposed within the conduit, said turbine being connected to a generator transforming its mechanical rotational energy into said electrical signal, the latter being correlated to the air flow through the mouth.

Le dispositif de récupération d'énergie peut également être un panneau solaire captant l'éclairage du local à ventiler dont la cellule photovoltaïque est de préférence placée sur la face visible de la plaque de façade.The energy recovery device may also be a solar panel capturing the lighting of the room to be ventilated, the photovoltaic cell of which is preferably placed on the visible face of the facade plate.

Ladite turbine est avantageusement une turbine hélicoïde dont l'axe de rotation est sensiblement parallèle à l'axe longitudinal dudit conduit.Said turbine is advantageously a helical turbine whose axis of rotation is substantially parallel to the longitudinal axis of said duct.

Ladite plaque de façade peut être de surface frontale supérieure à la section intérieure dudit conduit.Said facade plate may have a front surface greater than the inner section of said duct.

Ladite plaque de façade peut avoir sa plus petite dimension frontale supérieure au diamètre maximal de ladite bride dudit conduit.Said facade plate may have its smallest frontal dimension greater than the maximum diameter of said flange of said duct.

De préférence, un dispositif de commande du dit actionneur est compris sur un circuit imprimé embarqué sur la dite bouche.Preferably, a control device of said actuator is included on a printed circuit board on said mouth.

Et avantageusement, le dispositif de commande est asservi selon l'état d'un capteur connecté au dit circuit imprimé et/ou selon une mesure de débit dans la gaine en communication de fluide avec la bouche et/ou selon une instruction de commande fournie par l'utilisateur.And advantageously, the control device is slaved according to the state of a sensor connected to said printed circuit and / or according to a flow measurement in the sheath in fluid communication with the mouth and / or according to a control instruction provided by the user.

L'invention concerne également une installation de ventilation munie d'un ventilateur et d'un réseau de gaines, caractérisée en ce qu'elle comporte au moins une telle bouche en communication d'air avec ledit réseau et ledit ventilateur.The invention also relates to a ventilation installation provided with a fan and a network of ducts, characterized in that it comprises at least one such mouth in air communication with said network and said fan.

L'invention est décrite ci-après à l'aide de figures ne représentant que des modes de réalisation préférés de l'invention.

  • La figure 1 est une vue en perspective et en coupe longitudinale d'une bouche conforme à un premier mode de réalisation de l'invention, en position fermée.
  • La figure 2 est une vue en perspective et en coupe longitudinale d'une bouche conforme à un premier mode de réalisation de l'invention, en position intermédiaire.
  • La figure 3 est une vue en perspective et en coupe longitudinale d'une bouche conforme à un premier mode de réalisation de l'invention, en position ouverte.
  • La figure 4 est une vue en perspective et en coupe longitudinale d'une bouche conforme à un second mode de réalisation de l'invention, en position fermée.
  • La figure 5 est une vue en perspective et en coupe longitudinale d'une bouche conforme à ce second mode de réalisation de l'invention, en position intermédiaire.
  • La figure 6 est une vue en perspective et en coupe longitudinale d'une bouche conforme à ce second mode de réalisation de l'invention, en position ouverte.
  • La figure 7 est une vue en perspective et en coupe longitudinale d'une bouche conforme à ce second mode de réalisation de l'invention, en cours d'ouverture.
  • La figure 8 est une vue en coupe transversale d'une bouche conforme à ce second mode de réalisation de l'invention.
  • La figure 9 est une vue en perspective et en coupe longitudinale d'une bouche conforme à une variante de ce second mode de réalisation de l'invention, en position fermée.
  • La figure 10 est une vue en perspective et en coupe longitudinale d'une bouche conforme à cette variante de ce second mode de réalisation de l'invention, en position intermédiaire.
  • La figure 11 est une vue en perspective et en coupe longitudinale d'une bouche conforme à cette variante de ce second mode de réalisation de l'invention, en position ouverte.
  • La figure 12 est une vue en coupe longitudinale d'une bouche conforme à cette variante de ce second mode de réalisation de l'invention, en cours d'ouverture.
  • La figure 13 est une vue en perspective et en coupe longitudinale de détail d'une bouche conforme à cette variante de ce second mode de réalisation de l'invention, en position intermédiaire où certains composants ont été enlevés.
The invention is described below with the aid of figures representing only preferred embodiments of the invention.
  • The figure 1 is a perspective view in longitudinal section of a mouth according to a first embodiment of the invention, in the closed position.
  • The figure 2 is a perspective view in longitudinal section of a mouth according to a first embodiment of the invention, in the intermediate position.
  • The figure 3 is a perspective view in longitudinal section of a mouth according to a first embodiment of the invention, in the open position.
  • The figure 4 is a perspective view in longitudinal section of a mouth according to a second embodiment of the invention, in the closed position.
  • The figure 5 is a perspective view in longitudinal section of a mouth according to this second embodiment of the invention, in the intermediate position.
  • The figure 6 is a perspective view in longitudinal section of a mouth according to this second embodiment of the invention, in the open position.
  • The figure 7 is a perspective view in longitudinal section of a mouth according to this second embodiment of the invention, being opened.
  • The figure 8 is a cross-sectional view of a mouth according to this second embodiment of the invention.
  • The figure 9 is a perspective view in longitudinal section of a mouth according to a variant of this second embodiment of the invention, in the closed position.
  • The figure 10 is a perspective view in longitudinal section of a mouth according to this variant of this second embodiment of the invention, in the intermediate position.
  • The figure 11 is a perspective view in longitudinal section of a mouth according to this variant of this second embodiment of the invention, in the open position.
  • The figure 12 is a longitudinal sectional view of a mouth according to this variant of this second embodiment of the invention, being opened.
  • The figure 13 is a perspective view and in longitudinal section of detail of a mouth according to this variant of this second embodiment of the invention, in the intermediate position where some components have been removed.

Les figures 1 à 3 représentent un premier mode de réalisation d'une bouche conforme à l'invention.The Figures 1 to 3 represent a first embodiment of a mouth according to the invention.

Cette bouche d'extraction ou d'insufflation d'air comporte un conduit 1 destiné à être disposé dans un orifice d'une paroi et pourvu d'une bride radiale 1A d'appui sur la paroi, une plaque de façade 2 solidaire du conduit 1 et un élément de modulation du débit d'air 3 mobile d'une position ouverte à une position fermée du flux d'air sortant de ou entrant dans la bouche entre la bride 1A radiale d'appui du conduit et la plaque de façade 2, par déplacement axial le long de l'axe longitudinal A du conduit.This mouth of extraction or air insufflation comprises a conduit 1 intended to be disposed in an orifice of a wall and provided with a radial flange 1A support on the wall, a front plate 2 secured to the duct 1 and an air flow modulation element 3 movable from an open position to a closed position of the flow of air exiting from or entering the mouth between the radial support flange 1A of the duct and the front plate 2 , by axial displacement along the longitudinal axis A of the duct.

La plaque de façade 2 est de surface frontale supérieure à la section intérieure du conduit 1 et a avantageusement sa plus petite dimension frontale supérieure au diamètre maximal de ladite bride 1A dudit conduit.The face plate 2 has a front surface greater than the inner section of the duct 1 and advantageously has its smallest frontal dimension greater than the maximum diameter of said flange 1A of said duct.

Une installation de ventilation munie d'un ventilateur et d'un réseau de gaines, comporte au moins une telle bouche en communication d'air avec le réseau et le ventilateur.A ventilation installation provided with a fan and a network of ducts, comprises at least one such mouth in air communication with the network and the fan.

La bouche comporte un actionneur d'entraînement 4 de l'élément de modulation 3 maintenu entre la face arrière de la plaque de façade 2 et l'élément de modulation 3.The mouth comprises a drive actuator 4 of the modulation element 3 held between the rear face of the front plate 2 and the modulation element 3.

L'élément de modulation 3 comporte une partie de support 3D tubulaire de même axe longitudinal A que le conduit 1, de génératrice droite et en translation sur la face interne du conduit. Cette partie de support 3D est ici représentée de section circulaire coopérant directement avec le conduit 1 lui-même circulaire, mais l'une ou l'autre peuvent être de section quelconque comme par exemple carrée.The modulation element 3 comprises a tubular 3D support part having the same longitudinal axis A as the duct 1, of the right generator and in translation on the internal face of the duct. This part of 3D support is here represented by circular section cooperating directly with the conduit 1 itself circular, but one or the other may be any section such as square.

Selon ce premier mode de réalisation, cette partie de support 3D porte une partie de guidage 3A du flux d'air, tubulaire d'axe longitudinal parallèle à l'axe longitudinal A du conduit, la partie de support 3D comportant des orifices 3D2 aptes à assurer le passage du flux d'air sortant de ou entrant dans la bouche entre la bride radiale 1A d'appui du conduit et la plaque de façade 2 vers la partie de guidage 3D, en position ouverte.According to this first embodiment, this 3D support part carries a guide portion 3A of the tubular air flow of longitudinal axis parallel to the longitudinal axis A of the duct, the 3D support portion comprising 3D2 orifices adapted to ensure the flow of air leaving or entering the mouth between the radial support flange 1A of the duct and the front plate 2 towards the 3D guide portion, in the open position.

Plus précisément, la partie de guidage 3A du flux d'air tubulaire est de même axe longitudinal A que le conduit et de génératrice courbe radialement évasée.More specifically, the guide portion 3A of the tubular air flow is of the same longitudinal axis A as the radially flared curve of the duct and generator.

La partie de support 3D comporte donc des orifices 3D2 aptes à assurer le passage du flux d'air sortant de ou entrant dans la bouche entre la bride 1A radiale d'appui du conduit et la plaque de façade 2 vers la partie de guidage 3A, en position ouverte (figure 3), et dans une position intermédiaire (figure 2) entre la position ouverte et la position fermée (figure 1).The 3D support part thus comprises 3D2 orifices adapted to ensure the passage of the air flow exiting from or entering the mouth between the radial support flange 1A of the duct and the front plate 2 towards the guiding portion 3A, in open position ( figure 3 ), and in an intermediate position ( figure 2 ) between the open position and the closed position ( figure 1 ).

Comme il sera précisé plus loin, l'extrémité avant de l'élément de modulation 3, et plus précisément de la partie de support 3D, comporte au moins une encoche d'emboîtement avec une partie fixe de la plaque de façade 2. Plus précisément, la plaque de façade 2 est solidaire du conduit 1 au moyen de pieds 2A portés par l'arrière de cette plaque de façade et vissés et cette partie fixe de la plaque de façade 2 est un de ces pieds 2A dont une bride longitudinale est emboîtée dans cette encoche ceci pour bloquer en rotation le dit élément de modulation.As will be explained below, the front end of the modulation element 3, and more precisely of the 3D support part, comprises at least one interlocking notch with a fixed part of the front plate 2. More precisely , the faceplate 2 is secured to the duct 1 by means of feet 2A carried by the rear of this facade plate and screwed and this fixed part of the facade plate 2 is one of these feet 2A, a longitudinal flange of which is nested. in this notch this to block in rotation said modulation element.

L'actionneur d'entraînement 4 de l'élément de modulation 3 est solidaire de la plaque de façade 2 et l'élément de modulation 3 comporte un taraudage ou une crémaillère 7 coopérant avec une vis 6 liée à l'actionneur 4 qui est un moteur rotatif, ce taraudage, cette crémaillère 7 ou cette vis ayant une hauteur strictement supérieure à l'amplitude de déplacement dudit élément de modulation 3 de manière à assurer une course complète de ce dernier.The drive actuator 4 of the modulation element 3 is integral with the front plate 2 and the modulation element 3 comprises a tapping or a rack 7 cooperating with a screw 6 connected to the actuator 4 which is a rotary engine, this tapping, this rack 7 or this screw having a height strictly greater than the displacement of said modulation element 3 so as to ensure a complete race of the latter.

Plus précisément, ce taraudage ou cette crémaillère 7 est constitué d'une section taraudée en saillie en avant de la partie de guidage 3A.More specifically, this tapping or rack 7 is constituted by a threaded section projecting in front of the guide portion 3A.

La bouche est par ailleurs équipée d'au moins un dispositif de récupération d'énergie assurant au moins partiellement son auto-alimentation électrique et fournissant un signal électrique et comporte un dispositif de traitement électronique de ce signal électrique.The mouth is also equipped with at least one energy recovery device at least partially ensuring its self-power supply and providing an electrical signal and comprises an electronic processing device of this electrical signal.

Selon le mode de réalisation représenté, ce dispositif de récupération d'énergie comporte une turbine 7' hélicoïde dont l'axe de rotation est sensiblement parallèle à l'axe longitudinal A du conduit, disposée à l'arrière de la partie de guidage 3A, et cette turbine 7' est connectée à un générateur 8 transformant son énergie mécanique de rotation en le signal électrique potentiellement couplé à la position de l'élément de modulation et corrélé au débit d'air traversant la bouche.According to the embodiment shown, this energy recovery device comprises a helical turbine 7 'whose axis of rotation is substantially parallel to the longitudinal axis A of the duct, disposed at the rear of the guiding portion 3A, and this turbine 7 'is connected to a generator 8 transforming its mechanical rotational energy into the electrical signal potentially coupled to the position of the modulation element and correlated to the air flow through the mouth.

Un dispositif de commande de l'actionneur 4 est compris sur un circuit imprimé embarqué sur la dite bouche et est asservi selon l'état d'un capteur connecté au dit circuit imprimé et/ou selon une mesure de débit dans la gaine en communication de fluide avec la bouche et/ou selon une instruction de commande fournie par l'utilisateur par voie radio ou filaire.A control device of the actuator 4 is included on a printed circuit board on said mouth and is controlled according to the state of a sensor connected to said printed circuit and / or according to a flow measurement in the sheath in communication with fluid with the mouth and / or according to a command instruction provided by the user by radio or wired.

Grâce à cet asservissement, la bouche peut donc ainsi être disposée selon trois positions :

  • une position fermée représentée sur la figure 1, où une bride radiale 3E de l'extrémité avant de la partie de support 3D est en butée sensiblement étanche contre la bride 1A radiale d'appui ;
  • une position intermédiaire représentée sur la figure 2, où le flux d'air sortant de ou entrant dans la bouche entre la bride 1A radiale d'appui du conduit et la plaque de façade 2 peut circuler sur une hauteur intermédiaire des orifices 3D2 de la partie de support ;
  • une position ouverte représentée sur la figure 3, où l'extrémité avant de la partie de support 3D est en butée contre la plaque de façade 2.
Thanks to this servo, the mouth can thus be arranged in three positions:
  • a closed position represented on the figure 1 , where a radial flange 3E of the front end of the support portion 3D is in substantially sealing abutment against the radial flange 1A support;
  • an intermediate position represented on the figure 2 , where the flow of air exiting from or entering the mouth between the radial support flange 1A of the duct and the facade plate 2 can circulate on an intermediate height of the openings 3D2 of the support portion;
  • an open position represented on the figure 3 , where the front end of the 3D support part is in abutment against the front plate 2.

Les figures 4 à 13 représentent un second mode de réalisation d'une bouche conforme à l'invention.The Figures 4 to 13 represent a second embodiment of a mouth according to the invention.

L'élément de modulation 30 comporte également une partie tubulaire arrière de support 30D de même axe longitudinal A que le conduit 10 et de génératrice droite, et coulissant sur la face interne du conduit, selon une simple translation parallèle à l'axe A.The modulation element 30 also comprises a rear support tubular portion 30D of the same longitudinal axis A as the duct 10 and of the right generator, and sliding on the inner face of the duct, in a simple translation parallel to the axis A.

Cette partie de support 30D porte ici deux parties de guidage du flux d'air, avant 30A et arrière 30B, tubulaires d'axe longitudinal à l'axe longitudinal A du conduit 10, la partie de support comportant des orifices 30D2 aptes à assurer le passage du flux d'air sortant de ou entrant dans la bouche entre la bride 10A radiale d'appui du conduit et la plaque de façade 20 vers les parties de guidage 30A, 30B, en position ouverte (figure 6), et vers un canal 30C disposé entre les deux parties de guidage, dans une position intermédiaire (figure 5) entre la position ouverte et ladite position fermée (figure 4).This support portion 30D here carries two airflow guiding portions 30A and 30B rear, tubular longitudinal axis to the longitudinal axis A of the conduit 10, the support portion having 30D2 orifices adapted to provide the passage of the flow of air exiting from or entering the mouth between the radial support flange 10A of the duct and the front plate 20 towards the guide portions 30A, 30B, in the open position ( figure 6 ), and to a channel 30C disposed between the two guide parts, in an intermediate position ( figure 5 ) between the open position and said closed position ( figure 4 ).

Ces deux dites parties de guidage 30A, 30B du flux d'air, avant et arrière, tubulaires sont de même axe longitudinal A que le conduit 10 et de génératrice courbe radialement évasée.These two so-called guide portions 30A, 30B of the air flow, front and rear, tubular are of the same longitudinal axis A as the duct 10 and generatrix curved radially flared.

Comme mieux visible sur la figure 8, l'extrémité avant de l'élément de modulation 30, et plus précisément de la partie de de support 30D, comporte au moins une encoche 30A1 d'emboîtement avec une partie fixe de la plaque de façade 20. Plus précisément, la plaque de façade 20 est solidaire du conduit 10 au moyen de pieds 20A portés par l'arrière de cette plaque de façade et vissés et cette partie fixe de la plaque de façade 20 est un de ces pieds 20A dont une bride longitudinale 20A1 est emboîtée dans cette encoche bloquant ainsi le mouvement de rotation.As better visible on the figure 8 , the front end of the modulation element 30, and more precisely the support portion 30D, comprises at least one notch 30A1 interlocking with a fixed portion of the facade plate 20. More specifically, the plate of frontage 20 is integral with the duct 10 by means of feet 20A carried by the rear of this face plate and screwed and this fixed part of the front plate 20 is one of these feet 20A whose longitudinal flange 20A1 is fitted in this notch thus blocking the rotation movement.

Selon une première variante représentée sur les figures 4 à 8, l'actionneur d'entraînement 40 de l'élément de modulation 30 est solidaire de la plaque de façade 20 et l'élément de modulation 30 comporte un taraudage ou une crémaillère 70 coopérant avec une vis 60 liée à l'actionneur 40 qui est un moteur rotatif, ce taraudage, cette crémaillère 70 ou cette vis ayant une hauteur strictement supérieure à l'amplitude de déplacement dudit élément de modulation 30.According to a first variant represented on Figures 4 to 8 , the drive actuator 40 of the modulation element 30 is integral with the front plate 20 and the modulation element 30 comprises a tapping or a rack 70 cooperating with a screw 60 connected to the actuator 40 which is a rotary motor, this tapping, this rack 70 or this screw having a height strictly greater than the displacement amplitude of said modulation element 30.

Plus précisément, ce taraudage ou cette crémaillère 70 est constitué d'une section taraudée en saillie en avant de la partie de guidage avant 30A.More specifically, this tapping or rack 70 is constituted by a threaded section protruding forward of the front guide portion 30A.

La bouche est par ailleurs équipée d'au moins un dispositif de récupération d'énergie assurant au moins partiellement son auto-alimentation électrique et fournissant un signal électrique et comporte un dispositif de traitement électronique de ce signal électrique.The mouth is also equipped with at least one energy recovery device at least partially ensuring its self-power supply and providing an electrical signal and comprises an electronic processing device of this electrical signal.

Selon le mode de réalisation représenté, ce dispositif de récupération d'énergie comporte une turbine 70' hélicoïde dont l'axe de rotation est sensiblement parallèle à l'axe longitudinal A du conduit, disposée à l'arrière de la partie de guidage 30A, et cette turbine 70' est connectée à un générateur 80 transformant son énergie mécanique de rotation en le signal électrique potentiellement couplé à la position de l'élément de modulation et corrélé au débit d'air traversant la bouche.According to the embodiment shown, this energy recovery device comprises a helical turbine 70 'whose axis of rotation is substantially parallel to the longitudinal axis A of the duct, disposed at the rear of the guiding portion 30A, and this turbine 70 'is connected to a generator 80 transforming its mechanical rotational energy into the electrical signal potentially coupled to the position of the modulation element and correlated to the air flow through the mouth.

Un dispositif de commande de l'actionneur 40 est compris sur un circuit imprimé embarqué sur la dite bouche et est asservi selon l'état d'un capteur connecté au dit circuit imprimé et/ou selon une mesure de débit dans la gaine en communication de fluide avec la bouche et/ou selon une instruction de commande fournie par l'utilisateur.A control device of the actuator 40 is included on a printed circuit board on said mouth and is controlled according to the state of a sensor connected to said printed circuit and / or according to a flow measurement in the sheath in communication with fluid with the mouth and / or according to a control instruction provided by the user.

Grâce à cet asservissement, la bouche peut donc ainsi être disposée selon trois positions :

  • une position fermée représentée sur la figure 4, où une bride radiale 30E de l'extrémité avant de la partie de de support 30D est en butée sensiblement étanche contre la bride 10A radiale d'appui, cette position assurant ainsi un faible débit d'air ;
  • une position intermédiaire représentée sur la figure 5, où le flux d'air sortant de ou entrant dans la bouche entre la bride 10A radiale d'appui du conduit et la plaque de façade 20 circule de manière privilégiée dans le canal 30C disposé entre les deux parties de guidage 30A, 30B ;
  • une position ouverte représentée sur la figure 6, où l'extrémité avant de la partie de support 30D est en butée contre la plaque de façade 20 et où le flux d'air circule à la fois dans le canal 30C et à l'arrière de la partie de guidage arrière 30B.
Thanks to this servo, the mouth can thus be arranged in three positions:
  • a closed position represented on the figure 4 , where a radial flange 30E of the front end of the support portion 30D is in substantially sealing abutment against the radial support flange 10A, this position thus ensuring a low air flow;
  • an intermediate position represented on the figure 5 , where the flow of air exiting from or entering the mouth between the radial support flange 10A of the duct and the front plate 20 preferably circulates in the channel 30C disposed between the two guide portions 30A, 30B;
  • an open position represented on the figure 6 , where the front end of the support portion 30D abuts against the faceplate 20 and where the airflow flows both in the channel 30C and at the rear of the rear guide portion 30B.

Ainsi, l'homme de métier peut jouer sur les ratios des surfaces de passage du flux d'air entre ces deux voies de passage pour identifier le bon compromis entre l'un au moins des critères suivants : débit de démarrage de la turbine, perte de charge en position ouverte, vitesse maxi de la turbine, acoustique...Thus, the skilled person can play on the ratios of the passage surfaces of the air flow between these two passageways to identify the right compromise between at least one of the following criteria: turbine start flow, loss load in open position, maximum speed of the turbine, acoustic ...

Ces ratios concernent à la fois les entrées comme les sorties de ces passages du flux d'air. En particulier, l'homme de métier peut optimiser ainsi le diamètre de passage au niveau de la turbine.These ratios concern both the inputs and the outputs of these passages of the airflow. In particular, those skilled in the art can thus optimize the flow diameter at the turbine.

Selon une seconde variante représentée sur les figures 9 à 13, l'actionneur d'entraînement 40' est connecté à une vis sans fin 80 d'axe longitudinal perpendiculaire à l'axe longitudinal du conduit, qu'il entraîne en rotation et sur laquelle est déplacé un écrou 90 connecté par un premier levier 100A articulé à la plaque de façade 20 et par un deuxième levier 100B articulé à l'élément de modulation 30 et plus précisément à la partie de guidage avant 30A.According to a second variant represented on the Figures 9 to 13 , the drive actuator 40 'is connected to a worm 80 of longitudinal axis perpendicular to the longitudinal axis of the conduit, which it rotates and on which is moved a nut 90 connected by a first lever 100A articulated to the front plate 20 and a second lever 100B articulated to the modulation element 30 and more specifically to the front guide portion 30A.

La pièce portant l'actionneur 40' et la vis sans fin 80 porte également un troisième levier 100C articulé à la plaque de façade 20 et par un quatrième levier 100D articulé audit élément de modulation 30 et plus précisément à la partie de guidage avant 30A, afin de renforcer la tenue mécanique.The part carrying the actuator 40 'and the worm 80 also carries a third lever 100C hinged to the front plate 20 and a fourth lever 100D hinged to said modulation element 30 and more specifically to the front guide portion 30A, to strengthen the mechanical strength.

Un dispositif de commande de l'actionneur 40' est compris sur un circuit imprimé embarqué sur la dite bouche et est asservi selon l'état d'un capteur connecté au dit circuit imprimé et/ou selon une mesure de débit dans la gaine en communication de fluide avec la bouche et/ou selon une instruction de commande fournie par l'utilisateur.A control device of the actuator 40 'is included on a printed circuit board on said mouth and is slaved according to the state of a sensor connected to said printed circuit and / or according to a measurement of flow in the sheath in communication fluid with the mouth and / or according to a user-provided control command.

Grâce à cet asservissement, la bouche peut donc ainsi être disposée selon trois positions :

  • une position fermée représentée sur la figure 9, où l'extrémité avant de la partie de support 30D est en butée sensiblement étanche contre la bride 10A radiale d'appui ;
  • une position intermédiaire représentée sur la figure 10, où le flux d'air sortant de ou entrant dans la bouche entre la bride 10A radiale d'appui du conduit et la plaque de façade 20 peut circuler dans le canal 30C disposé entre les deux parties de guidage 30A, 30B ;
  • une position ouverte représentée sur la figure 11, où l'extrémité avant de de support 30D est en butée contre la plaque de façade 20.
Thanks to this servo, the mouth can thus be arranged in three positions:
  • a closed position represented on the figure 9 , where the front end of the support portion 30D is in substantially sealing abutment against the radial support flange 10A;
  • an intermediate position represented on the figure 10 , where the flow of air exiting from or entering the mouth between the radial support flange 10A of the duct and the front plate 20 can circulate in the channel 30C disposed between the two guide portions 30A, 30B;
  • an open position represented on the figure 11 , where the front end of support 30D is in abutment against the front plate 20.

Claims (22)

Bouche d'extraction ou d'insufflation d'air comportant un conduit (1, 10) destiné à être disposé dans un orifice d'une paroi et pourvu d'une bride radiale (1A, 10A) d'appui sur ladite paroi, une plaque de façade (2) solidaire dudit conduit (1, 10) et un élément de modulation du débit d'air (3, 30) mobile d'une position ouverte à une position fermée du flux d'air sortant de ou entrant dans la bouche entre ladite bride (1A, 10A) radiale d'appui du conduit et ladite plaque de façade (2, 20), par déplacement axial le long de l'axe longitudinal (A) dudit conduit, bouche comportant un actionneur d'entraînement (4, 40, 40') dudit élément de modulation (3, 30) maintenu entre la face arrière de ladite plaque de façade (2, 20) et ledit élément de modulation (3, 30) et ledit élément de modulation (3, 30) étant tubulaire de même axe longitudinal (A) que ledit conduit, ledit élément de modulation (3, 30) comportant une partie de support (3D, 30D) tubulaire de même axe longitudinal (A) que ledit conduit, de génératrice droite et en translation sur la face interne du conduit, bouche caractérisée en ce que ladite partie de support porte au moins une partie de guidage (3A) du flux d'air, tubulaire d'axe longitudinal parallèle à l'axe longitudinal (A) dudit conduit, ladite partie de support (3D) comportant des orifices (3D2) aptes à assurer le passage du flux d'air sortant de ou entrant dans la bouche entre ladite bride (1A) radiale d'appui du conduit et ladite plaque de façade (2) vers ladite partie de guidage, en position ouverte.Extraction or air blowing mouth comprising a duct (1, 10) intended to be disposed in an orifice of a wall and provided with a radial flange (1A, 10A) for bearing on said wall, a a faceplate (2) integral with said duct (1, 10) and an airflow modulating element (3, 30) movable from an open position to a closed position of the airflow exiting from or entering the mouth between said radial support flange (1A, 10A) of the duct and said face plate (2, 20), by axial displacement along the longitudinal axis (A) of said duct, mouth comprising a drive actuator ( 4, 40, 40 ') of said modulation element (3, 30) held between the rear face of said facade plate (2, 20) and said modulation element (3, 30) and said modulation element (3, 30). ) being tubular with the same longitudinal axis (A) as said conduit, said modulation element (3, 30) having a tubular support portion (3D, 30D) of the same long axis itudinal (A) that said conduit, of right generatrix and in translation on the inner face of the conduit, mouth characterized in that said support portion carries at least a guide portion (3A) of the air flow, tubular axis longitudinal parallel to the longitudinal axis (A) of said duct, said support portion (3D) having orifices (3D2) adapted to ensure the passage of the airflow out of or into the mouth between said radial flange (1A) supporting the conduit and said faceplate (2) towards said guide portion, in the open position. Bouche selon la revendication 1, caractérisée en ce que ladite partie de guidage (3A) du flux d'air tubulaire est de même axe longitudinal (A) que ledit conduit.Mouth according to claim 1, characterized in that said guide portion (3A) of the tubular air flow is of the same longitudinal axis (A) as said duct. Bouche selon la revendication 1 ou 2, caractérisée en ce que la partie de guidage (3A) du flux d'air tubulaire est de génératrice courbe radialement évasée.Mouth according to claim 1 or 2, characterized in that the guide portion (3A) of the tubular air flow is of radially flared curve generatrix. Bouche selon la revendication 1, caractérisée en ce que ladite partie de support porte deux parties de guidage (30A, 30B) du flux d'air, avant et arrière, tubulaires d'axe longitudinal à l'axe longitudinal (A) dudit conduit, la partie de support (30D) comportant des orifices (30D2) aptes à assurer le passage du flux d'air sortant de ou entrant dans la bouche entre ladite bride (10A) radiale d'appui du conduit et ladite plaque de façade (20) vers lesdites parties de guidage (30A, 30B), en position ouverte, et vers un canal (30C) disposé entre les deux parties de guidage, dans une position intermédiaire entre ladite position ouverte et ladite position fermée.Mouth according to claim 1, characterized in that said support portion carries two guide portions (30A, 30B) of the air flow, front and rear, tubular with a longitudinal axis to the longitudinal axis (A) of said duct, the support portion (30D) having orifices (30D2) adapted to ensure the passage of the flow of air exiting from or entering the mouth between said radial support flange (10A) of the duct and said front plate (20) to said guide portions (30A, 30B), in the open position, and to a channel (30C) disposed between the two guide portions, in an intermediate position between said open position and said closed position. Bouche selon la revendication précédente, caractérisée en ce que les deux dites parties de guidage (30A, 30B) du flux d'air, avant et arrière, tubulaires sont de même axe longitudinal (A) que ledit conduit.Mouth according to the preceding claim, characterized in that the two said guide portions (30A, 30B) of the air flow, front and rear, tubular are of the same longitudinal axis (A) as said duct. Bouche selon la revendication 4 ou 5, caractérisée en ce que les deux dites parties de guidage (30A, 30B) du flux d'air, avant et arrière, tubulaires sont de génératrice courbe radialement évaséeMouth according to claim 4 or 5, characterized in that the two said guide portions (30A, 30B) of the air flow, front and rear, tubular are of radially flared curve generatrix Bouche selon l'une des revendications précédentes, caractérisée en ce que l'extrémité avant dudit élément de modulation (3, 30) est en butée sensiblement étanche à l'air contre ladite plaque de façade (2, 20), en position ouverte.Mouthpiece according to one of the preceding claims, characterized in that the front end of said modulation element (3, 30) is in substantially airtight abutment against said front plate (2, 20) in the open position. Bouche selon la revendication précédente, caractérisée en ce que l'extrémité avant dudit élément de modulation (30) comporte au moins une encoche (30A1) d'emboîtement avec une partie fixe de ladite plaque de façade (20).Mouth according to the preceding claim, characterized in that the front end of said modulation element (30) comprises at least one notch (30A1) interlocking with a fixed portion of said front plate (20). Bouche selon la revendication précédente, caractérisée en ce que la plaque de façade (20) est solidaire du conduit (10) au moyen de pieds (20A) portés par l'arrière de cette plaque de façade et en ce que ladite partie fixe de ladite plaque de façade est un de ces pieds.Mouth according to the preceding claim, characterized in that the faceplate (20) is integral with the conduit (10) by means of feet (20A) carried by the rear of this facade plate and in that said fixed part of said front plate is one of these feet. Bouche selon l'une des revendications précédentes, caractérisée en ce que l'extrémité avant dudit élément de modulation (30) comporte une bride radiale (3E, 30E) venant en butée sensiblement étanche contre ladite bride radiale (1A, 10A) d'appui, en position fermée.Mouthpiece according to one of the preceding claims, characterized in that the front end of said modulation element (30) comprises a radial flange (3E, 30E) substantially sealing against said radial support flange (1A, 10A). , in closed position. Bouche selon l'une des revendications précédentes, caractérisée en ce que l'élément de modulation (3, 30) est entraîné en translation par un agencement de vis et d'écrou.Mouthpiece according to one of the preceding claims, characterized in that the modulation element (3, 30) is driven in translation by means of a screw and nut arrangement. Bouche selon la revendication précédente, caractérisée en ce que ledit actionneur d'entraînement (4, 40) dudit élément de modulation (3, 30) est solidaire de ladite plaque de façade (2, 20) et ledit élément de modulation comporte un taraudage ou une crémaillère (7, 70) d'axe longitudinal parallèle à l'axe longitudinal (A) du conduit et coopérant avec une vis (6, 60) liée audit actionneur (4, 40) qui est un moteur rotatif, ce taraudage, cette crémaillère ou cette vis ayant une hauteur strictement supérieure à l'amplitude de déplacement dudit élément de modulation (3, 30).Mouth according to the preceding claim, characterized in that said drive actuator (4, 40) of said modulation element (3, 30) is integral with said front plate (2, 20) and said modulation element comprises a tapping or a rack (7, 70) of longitudinal axis parallel to the longitudinal axis (A) of the duct and cooperating with a screw (6, 60) connected to said actuator (4, 40) which is a rotary motor, this tapping, this rack or screw having a height strictly greater than the displacement amplitude of said modulation element (3, 30). Bouche selon la revendication 11, caractérisée en ce que ledit actionneur d'entraînement (40') est connecté à une vis sans fin (80) d'axe longitudinal perpendiculaire à l'axe longitudinal (A) du conduit, l'actionneur d'entraînement (40') entraînant en rotation ladite vis sans fin sur laquelle est déplacé un écrou (90) connecté par un premier levier articulé (100A) à ladite plaque de façade (20) et par un deuxième levier articulé (100B) audit élément de modulation (30).Mouthpiece according to claim 11, characterized in that said drive actuator (40 ') is connected to a worm (80) of longitudinal axis perpendicular to the longitudinal axis (A) of the conduit, the actuator of driving (40 ') rotating said endless screw on which is moved a nut (90) connected by a first articulated lever (100A) to said front plate (20) and by a second articulated lever (100B) to said modulation element (30). Bouche selon la revendication précédente, caractérisée en ce que ladite pièce solidaire de ladite bride (1A) radiale d'appui porte également un troisième levier articulé (100C) à ladite plaque de façade (20) et par un quatrième levier articulé (100D) audit élément de modulation (30).Mouth according to the preceding claim, characterized in that said part fixed to said flange (1A) radial bearing also carries a third articulated lever (100C) to said faceplate (20) and by a fourth articulated lever (100D) to said modulation element (30). Bouche selon l'une des revendications précédentes, caractérisée en ce qu'elle est équipée d'au moins un dispositif de récupération d'énergie assurant au moins partiellement son auto-alimentation électrique et fournissant un signal électrique et en ce qu'elle comporte un dispositif de traitement électronique dudit signal électrique.Mouthpiece according to one of the preceding claims, characterized in that it is equipped with at least one energy recovery device at least partially ensuring its self-power supply and providing an electrical signal and in that it comprises a electronic processing device of said electrical signal. Bouche selon la revendication précédente, caractérisée en ce que ledit dispositif de récupération d'énergie comporte une turbine (7', 70) disposée au sein du conduit (1, 10), ladite turbine (7', 70) étant connectée à un générateur transformant son énergie mécanique de rotation en ledit signal électrique, ce dernier étant corrélé au débit d'air traversant la bouche.Mouth according to the preceding claim, characterized in that said energy recovery device comprises a turbine (7 ', 70) disposed within the duct (1, 10), said turbine (7', 70) being connected to a generator transforming its mechanical rotational energy into said electrical signal, the latter being correlated to the flow of air passing through the mouth. Bouche selon la revendication précédente, caractérisée en ce que ladite turbine (7' 70) est une turbine hélicoïde dont l'axe de rotation est sensiblement parallèle à l'axe longitudinal (A) dudit conduit.Mouth according to the preceding claim, characterized in that said turbine (7 '70) is a helical turbine whose axis of rotation is substantially parallel to the longitudinal axis (A) of said duct. Bouche selon l'une des revendications précédentes, caractérisée en ce que ladite plaque de façade (2, 20) est de surface frontale supérieure à la section intérieure dudit conduit.Mouthpiece according to one of the preceding claims, characterized in that said front plate (2, 20) has a front surface greater than the inner section of said duct. Bouche selon l'une des revendications précédentes, caractérisée en ce que ladite plaque de façade (2, 20) a sa plus petite dimension frontale supérieure au diamètre maximal de ladite bride (1A, 10A) dudit conduit.Mouthpiece according to one of the preceding claims, characterized in that said front plate (2, 20) has its smallest front dimension greater than the maximum diameter of said flange (1A, 10A) of said duct. Bouche selon l'une des revendications précédentes, caractérisée en ce qu'un dispositif de commande du dit actionneur (4, 40, 40') est compris sur un circuit imprimé embarqué sur la dite bouche.Mouthpiece according to one of the preceding claims, characterized in that a device for controlling said actuator (4, 40, 40 ') is included on a printed circuit board on said mouth. Bouche selon la revendication précédente, caractérisée en ce que le dispositif de commande est asservi selon l'état d'un capteur connecté au dit circuit imprimé et/ou selon une mesure de débit dans la gaine en communication de fluide avec la bouche et/ou selon une instruction de commande fournie par l'utilisateur.Mouth according to the preceding claim, characterized in that the control device is slaved according to the state of a sensor connected to said printed circuit and / or according to a flow measurement in the sheath in fluid communication with the mouth and / or according to a command instruction provided by the user. Installation de ventilation munie d'un ventilateur et d'un réseau de gaines, caractérisée en ce qu'elle comporte au moins une bouche selon l'une des revendications précédentes en communication d'air avec ledit réseau et ledit ventilateur.Ventilation installation provided with a fan and a network of ducts, characterized in that it comprises at least one mouth according to one of the preceding claims in air communication with said network and said fan.
EP17209501.0A 2016-12-27 2017-12-21 Vent for extracting or blowing air Active EP3343121B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1663426A FR3061273B1 (en) 2016-12-27 2016-12-27 MOUTH OF EXTRACTION OR AIR INSUFFLATION

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EP3343121B1 EP3343121B1 (en) 2020-10-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3091327A1 (en) 2018-12-31 2020-07-03 Enerbee Autonomous device for measuring at least one characteristic of a fluid flowing in a conduit

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US2558421A (en) 1948-03-05 1951-06-26 W B Connor Engineering Corp Diffuser with a detachable deflector member
US2791170A (en) * 1953-12-28 1957-05-07 Anemostat Corp Air outlet device for ventilating apparatus
US2958272A (en) * 1957-09-05 1960-11-01 Titus Mfg Corp Adjustable air distribution units
US3765316A (en) * 1971-04-05 1973-10-16 E Skoch Adjustable and closeable air diffuser
FR2311996A1 (en) * 1975-05-22 1976-12-17 Barbarin Joseph Extract valve for exhaust ventilation system - has conical element longitudinally adjustable within circular opening to vary flow
US5133693A (en) * 1991-07-15 1992-07-28 Imark, Inc. Air supply and exhaust grill
US5364304A (en) * 1993-01-21 1994-11-15 Hampton Electronics, Inc. Remotely controlled electrically actuated air flow control register
KR20150003460U (en) 2014-03-10 2015-09-18 주식회사 힘펠 Diffuser with a built-in damper

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558421A (en) 1948-03-05 1951-06-26 W B Connor Engineering Corp Diffuser with a detachable deflector member
US2791170A (en) * 1953-12-28 1957-05-07 Anemostat Corp Air outlet device for ventilating apparatus
US2958272A (en) * 1957-09-05 1960-11-01 Titus Mfg Corp Adjustable air distribution units
US3765316A (en) * 1971-04-05 1973-10-16 E Skoch Adjustable and closeable air diffuser
FR2311996A1 (en) * 1975-05-22 1976-12-17 Barbarin Joseph Extract valve for exhaust ventilation system - has conical element longitudinally adjustable within circular opening to vary flow
US5133693A (en) * 1991-07-15 1992-07-28 Imark, Inc. Air supply and exhaust grill
US5364304A (en) * 1993-01-21 1994-11-15 Hampton Electronics, Inc. Remotely controlled electrically actuated air flow control register
KR20150003460U (en) 2014-03-10 2015-09-18 주식회사 힘펠 Diffuser with a built-in damper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3091327A1 (en) 2018-12-31 2020-07-03 Enerbee Autonomous device for measuring at least one characteristic of a fluid flowing in a conduit

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Publication number Publication date
FR3061273B1 (en) 2019-11-01
EP3343121B1 (en) 2020-10-14
FR3061273A1 (en) 2018-06-29

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