EP0656513A1 - Selbstregelnder, rückstromsperrender Lufteinlass versehen mit einer akustischen Rolle, Installation versehen mit einem derartigen Lufteinlass - Google Patents

Selbstregelnder, rückstromsperrender Lufteinlass versehen mit einer akustischen Rolle, Installation versehen mit einem derartigen Lufteinlass Download PDF

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Publication number
EP0656513A1
EP0656513A1 EP94402748A EP94402748A EP0656513A1 EP 0656513 A1 EP0656513 A1 EP 0656513A1 EP 94402748 A EP94402748 A EP 94402748A EP 94402748 A EP94402748 A EP 94402748A EP 0656513 A1 EP0656513 A1 EP 0656513A1
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EP
European Patent Office
Prior art keywords
air inlet
air
longitudinal
building
cylinder
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
EP94402748A
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English (en)
French (fr)
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EP0656513B1 (de
Inventor
André Amphoux
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Individual
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Individual
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Publication of EP0656513A1 publication Critical patent/EP0656513A1/de
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Anticipated expiration legal-status Critical
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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
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/75—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity for maintaining constant air flow rate or air velocity

Definitions

  • the invention relates to a self-adjusting, anti-return, acoustic roller air inlet and also an installation comprising such an air inlet.
  • a known device is intended to be mounted on a carpentry of the building and it comprises on the outside face and / or the inside face of the joinery, at the level of an opening formed in this one, a grid and possibly deflector.
  • the device has, in elevation, a generally rectangular shape that is strongly flattened, which allows mounting on a window frame.
  • FR-A-2 652 883 relates to a device for the passage of air, with anti-backflow system, constituted by a deflector mounted at the right of an opening in which there is a multitude of balls. Once the device is assembled, the balls accumulate on each other and rest on a stop grid fixed in the opening. The function of the balls thus arranged is, on the one hand, not to substantially obstruct the passage of air in the direction of passage desired and on the other hand to try to substantially block the passage of air in the direction of passage not wish.
  • the "transverse wind” is a wind generated inside the building between the facade (s) under overpressure and the facade (s) under depression. These facades are put in overpressure or in depression by the external wind coming to strike them.
  • the invention aims to remedy these drawbacks and has as its main object an air inlet with a self-adjusting, anti-return, acoustic roller, allowing a reduction in noise pollution without loss of load, constituting an effective anti-reflective system, constituted by a limited number of parts, easily removable, requiring limited maintenance.
  • the longitudinal space advantageously has in general cross section a decreasing section on the side associated with the non-return mouth towards the air passage opening.
  • the air passage opening is located at a higher level than that of the non-return mouth.
  • the invention also aims an installation comprising a device as described above, further comprising an air exhaust duct of the type opening in its lower part into the building, and in its upper part, on the roof of the building.
  • the invention relates to a self-adjusting air inlet with non-return valve 1 for the passage of air A.
  • Such an air inlet 1 is intended to be mounted in an opening 3 in a wall 4 of a building 5 for the purpose of the ventilation of the room 6 in which is this opening 3 and where therefore the air inlet opens 1.
  • the wall 4 is, in the preferred embodiment envisaged, an external vertical wall, that is to say separating the interior I of the exterior E of the building 5.
  • the opening 3 is formed in a window frame and is rather placed in the upper part of the room.
  • the device is rather arranged so as to allow the passage of air A from the outside E towards inside I and thanks to the non-return valve, to prevent the passage of air A from the interior I towards the outside E.
  • the air inlet 1 can then be qualified as an air inlet with non-return.
  • the air inlet according to the invention can be the subject of other implementations for ventilation or not, of building or not, and more generally, in the circumstances where a passage of d air in one direction only is desired.
  • the air inlet, according to the invention could be arranged between a part 6 and an air exhaust duct 38
  • the air inlet 1 is now described in more detail, referring on the one hand to the case where it is mounted and, on the other hand for the air inlet application for buildings mentioned above. Qualifiers used such as “high”, “low”, “upper”, “lower” should be understood in context. Obviously, the air inlet 1 can be presented for sale disassembled or in separate parts.
  • the air inlet 1 is of the type comprising two air passage vents 8, 9 spaced transversely from one another arranged to be in communication with one another by means of a tunnel 10 of air circulation.
  • An air deflector 11 is intended to be rigidly associated by one of its sides 12, with one of the two mouths - the non-return mouth 8 - and defined on another side 13, an air passage opening 14
  • the device once mounted in the opening 3 is such that the two mouths 8, 9 are placed in two substantially vertical planes, the air passage opening 14 located at a higher level than that of the non-return mouth 8
  • the mouth 9 can be qualified as an air intake mouth insofar as, given the desired direction of passage of air A, air A first meets the mouth 9 before the mouth 8.
  • the qualifiers "non-return" or "air intake” applied to the mouths 8, 9 are essentially intended to identify the mouths relative to each other.
  • the two mouths 8, 9 are either placed facing each other as shown in the figures, or offset relative to each other in the vertical and / or horizontal direction, this variant not being shown, such a structure being in known in the case of building air inlets.
  • the tunnel 10 is essentially constituted by the opening 3 arranged in the wall 4 which has a certain thickness corresponding to the spacing between the two mouths 8, 9.
  • This tunnel 10 is either delimited by the faces of the wall 4 resulting from the opening 3, face arranged accordingly, is materialized by a sleeve-shaped part (not shown) connecting the two mouths 8, 9, the deflector 11 and a possible deflector 16.
  • This second variant has the characteristic that the device 1 forms then a unitary monobloc assembly and not two distinct assemblies as in the first variant.
  • the vents 8, 9 have, in elevation, a generally rectangular shape that is strongly flattened, that is to say much longer than it is wide.
  • the mouths 8, 9 are placed and arranged so that their length extends horizontally and their width vertically.
  • the horizontal length can reach of the order of 25 centimeters and the vertical width can be of the order of a centimeter (for example 1.5 centimeters).
  • the deflector 11 defines a longitudinal space and has two openings (respectively defined by the mouth 8 and the passage 14).
  • the air inlet 1 comprises a longitudinal cylinder 2 with a horizontal axis placed in the space 5 defined by the deflector 11 and free in any direction perpendicular to its axis in this space.
  • free should be understood to mean that the cylinder is not physically linked to any component of the deflector 11 and that it can move freely in any direction perpendicular to its axis.
  • the dimensions and the weight as well as the material of the cylinder 2 are such that the device once assembled, the cylinder 2 in isopressure configuration from the outside relative to the interior of the building, rests by gravity near the mouth non-return 8. In the overpressure configuration from the outside relative to the inside of the building, the cylinder is urged by the moving air to move away from the non-return mouth.
  • a function of the cylinder 2 is to obstruct the passage of air in the unwanted direction of passage going from the passage opening 14 to the non-return mouth 8 in the overpressure configuration from the inside relative to the outside of the building. In this case, the cylinder is urged by the moving air against the non-return valve 8.
  • the air flow rate passing through an air inlet is essentially an increasing function of the relative overpressure of the exterior with respect to inside the building and the air intake passage 40.
  • the deflector 11 defines a longitudinal space 15 having in cross section a decreasing section from the side 12 towards the air passage opening 14. Therefore, the longitudinal space 15 can be considered to be constituted by a multitude of longitudinal elementary areas 41 which also decrease from the side 12 towards the passage opening 14.
  • the cylinder defined by its height and the diameter of its bases, a constant constant master 42.
  • the air passage opening 14 is located at a higher level than that of the non-return mouth. 8.
  • the surface 21 on which the cylinder rests in the space 15 is inclined and grows from the non-return mouth 8 to the air passage opening 14.
  • the longitudinal space 15 is defined by the side 12, by a first 17 and a second 18 longitudinal profile defining the decreasing transverse profile, the lower part of the non-return mouth 8, the passage opening of air 14 and the side 13, and by two lateral cheeks 19 parallel to one another and spaced transversely from one another, connecting the two sections 17 and 18 and the side 12 between them and defining the longitudinal limits of the space 15 , the non-return mouth 8, and the air passage opening 14.
  • the sections 17 and 18 have a functional longitudinal wall 20, 21 defining the transverse profile of the space 15 and a second longitudinal wall so that these sections 17, 18 are tubular.
  • this second longitudinal wall is produced so that the general exterior shape of the air inlet is a preferably rectangular parallelepiped, said sides 12 and 13 being opposite.
  • the side 12 extends beyond the two lateral cheeks 19 so that it defines two projections having means for securing the air inlet to the opening 3 of the wall 4 of a building.
  • the side 12 can also extend beyond the sections 17 and 18 so that it defines two projections having means for securing the air inlet to the opening 3.
  • the longitudinal wall 21 defining the lower limit of the transverse profile of the space 15 is increasing from the non-return mouth to the air passage opening 14 according to an elliptical arc whose minor axis would belong to the plane defining the side 12. This elliptical arc is further extended by a vertical longitudinal projection defining the lower part of the air passage opening 14.
  • the functional longitudinal wall 20 defining the upper limit of the transverse profile of the space 15 comprises a first part immediately adjacent to and perpendicular to the side 12 extending substantially over a third of the profile followed by a profile element of general shape in an airplane half-wing, the leading edge of which is immediately adjacent to the first part and the trailing edge constitutes the upper part of the air passage opening 14.
  • the width of the non-return mouth 8 and of the air passage opening 14 is just less than the diameter of the cylinder so that once in the space 15, the cylinder 2 cannot exit through the non-return mouth or the opening 14.
  • the longitudinal projection defining the lower part of the passage opening 14 serves as a stop for the cylinder 2 so that when the cylinder is in contact with said projection and with the elliptical arc, there remains a passage area d between the cylinder and the upper part of the passage opening 14.
  • the cylinder 2 in isopressure configuration is slightly offset from the non-return mouth by virtue of a longitudinal inclined stop 50 forming part of the functional longitudinal wall 21 on the non-return mouth side 8.
  • a longitudinal inclined stop 50 forming part of the functional longitudinal wall 21 on the non-return mouth side 8.
  • the profiles are made of moldable or extrudable material.
  • these profiles can be made of a material having sound absorption qualities.
  • the tubular profiles can also be filled with a sound absorbing material.
  • the functional walls can be pierced with holes.
  • the tubular profiles can advantageously be filled with a sound absorption material.
  • the cylinder 2 can advantageously be made of a sound absorption material.
  • the upper section 17 is associated with the air inlet in a removable manner.
  • the side 12 could be provided with indexing holes, intended to cooperate with indexes arranged on the surface of the profile 17 coming into contact with the side 12.
  • the profile 17 comprising a removable fastening device with the side cheeks of the air inlet, in particular a snap device. Therefore, access to the air inlet for cleaning is significantly facilitated.
  • the air inlet according to the invention surprisingly constitutes a fly and mosquito repellent device, even though it does not have a protective grid. Indeed, due to small pressure variations between the outside and the inside of the building, the cylinder is almost constantly in motion in space 15. This movement plays the role of scarecrow preventing the passage of flies or mosquitoes.
  • the air inlet 1 can also include a second bent deflector 16, intended to be rigidly associated by one of these ends 34 to the other of the two mouths - or inlet mouth 9 - defining, at its other end 35 an air inlet 36, so that the device 1 once mounted in the opening 3 of the wall 4, the air inlet 36 is placed in a substantially horizontal plane situated at a level lower than that of the inlet mouth 9.
  • the second air deflector 16 may advantageously include a sound absorption device, for example a strip of longitudinal sound absorbing foam placed in the elbow of the second air deflector.
  • the invention also relates to a ventilation installation of a building 5, by means of an air inlet as just described, being placed inside the building 5, the desired direction of passage being the one going from outside E to inside I.
  • At least one such air inlet 1 is also combined with at least one air duct 39 opening into a volume of the building 5 where the air inlet opens, through a mouth 38.
  • this volume is a room 6 of the building 5 comprising at least one mouth 38.
  • the latter is for example located in the lower part of the room 6 opposite the device 1.
  • an air extractor 37 is in communication with the mouth 38 by virtue of the duct 39 disposed in particular vertically, the extractor 37 being preferably placed on the roof 40 of the building 5.
  • the air extractor 37 is of the venturi type and comprises a lower assembly 41 having a cap with frustoconical outer face with large lower base and an upper assembly 42 spaced axially from the assembly. lower by spacers 43, this assembly 42 having a cap 44 and a bottom 45 with conical or frustoconical outer faces connected by their large bases 46, the conduit 39 opening into the outer space 47 between the two assemblies 41, 42.
  • the mouth 38 of the duct 39 can be provided with an air inlet according to the invention.
  • the desired direction of the air goes from the part 6 to the duct 39.
  • the pressure differences existing between the part and the duct are much less than those existing between the exterior and interior of the building. If the requested flow is greater than the possibilities of an air intake, it is possible to associate several air inlets one on the other or one next to the other in order to obtain the flow desired.
  • the air inlet could be integrated inside a PVC opening or equivalent moldable or extrudable material without departing from the scope of the present invention.
  • An opening frame profile could be provided integrating into its structure the functional walls 20, 21 and the faces 13, 12, an access plate for inserting the roller, and attached cheeks for isolating the rest of the joinery from opening the air inlet without departing from the scope of the invention. The same could be expected in a frame profile.

Landscapes

  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ventilation (AREA)
  • Road Paving Machines (AREA)
  • Massaging Devices (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Building Environments (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
EP94402748A 1993-12-02 1994-11-30 Selbstregelnder, rückstromsperrender Lufteinlass versehen mit einer akustischen Rolle, Installation versehen mit einem derartigen Lufteinlass Expired - Lifetime EP0656513B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9314473A FR2713318B1 (fr) 1993-12-02 1993-12-02 Entrée d'air autoréglable, antiretour, acoustique à rouleau; installation comprenant une telle entrée d'air.
FR9314473 1993-12-02

Publications (2)

Publication Number Publication Date
EP0656513A1 true EP0656513A1 (de) 1995-06-07
EP0656513B1 EP0656513B1 (de) 1997-10-08

Family

ID=9453495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94402748A Expired - Lifetime EP0656513B1 (de) 1993-12-02 1994-11-30 Selbstregelnder, rückstromsperrender Lufteinlass versehen mit einer akustischen Rolle, Installation versehen mit einem derartigen Lufteinlass

Country Status (5)

Country Link
EP (1) EP0656513B1 (de)
AT (1) ATE159094T1 (de)
DE (1) DE69406093T2 (de)
ES (1) ES2113067T3 (de)
FR (1) FR2713318B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2749930A1 (fr) * 1996-06-18 1997-12-19 Amphoux Andre Bouche d'extraction pour la ventilation d'une piece et systeme statique ou statomecanique incluant une telle bouche
WO1999009357A1 (de) * 1997-08-18 1999-02-25 Mfz Gbr Moderne Fenster Zubehör Belüftungseinrichtung für fensterelemente
EP2146156A1 (de) * 2008-07-16 2010-01-20 Sommer Metallbau-Stahlbau GmbH & Co. KG Druckstoßklappe
EP2886780A1 (de) * 2013-12-17 2015-06-24 MACO Technologie GmbH Falzlüfter
CN110081519A (zh) * 2019-04-29 2019-08-02 珠海格力电器股份有限公司 新风装置、空调室内机及新风装置控制方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2105313A5 (de) * 1970-08-13 1972-04-28 Ogny Jean D
FR2244964A1 (en) * 1973-09-20 1975-04-18 Applimo Constant flow ventilation duct - has rolling body moved by air pressure towards reduced section of duct
FR2652883A1 (fr) * 1989-10-06 1991-04-12 Amphoux Andre Dispositif pour le passage d'air avec systeme antirefoulant, et installation comportant un tel dispositif.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2105313A5 (de) * 1970-08-13 1972-04-28 Ogny Jean D
FR2244964A1 (en) * 1973-09-20 1975-04-18 Applimo Constant flow ventilation duct - has rolling body moved by air pressure towards reduced section of duct
FR2652883A1 (fr) * 1989-10-06 1991-04-12 Amphoux Andre Dispositif pour le passage d'air avec systeme antirefoulant, et installation comportant un tel dispositif.

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2749930A1 (fr) * 1996-06-18 1997-12-19 Amphoux Andre Bouche d'extraction pour la ventilation d'une piece et systeme statique ou statomecanique incluant une telle bouche
EP0814307A1 (de) * 1996-06-18 1997-12-29 André Amphoux Entlüftungsauslass zur Belüftung eines Raumes
WO1999009357A1 (de) * 1997-08-18 1999-02-25 Mfz Gbr Moderne Fenster Zubehör Belüftungseinrichtung für fensterelemente
EP2146156A1 (de) * 2008-07-16 2010-01-20 Sommer Metallbau-Stahlbau GmbH & Co. KG Druckstoßklappe
EP2886780A1 (de) * 2013-12-17 2015-06-24 MACO Technologie GmbH Falzlüfter
CN110081519A (zh) * 2019-04-29 2019-08-02 珠海格力电器股份有限公司 新风装置、空调室内机及新风装置控制方法
CN110081519B (zh) * 2019-04-29 2023-07-14 珠海格力电器股份有限公司 新风装置、空调室内机及新风装置控制方法

Also Published As

Publication number Publication date
FR2713318A1 (fr) 1995-06-09
ATE159094T1 (de) 1997-10-15
ES2113067T3 (es) 1998-04-16
DE69406093T2 (de) 1998-05-14
DE69406093D1 (de) 1997-11-13
EP0656513B1 (de) 1997-10-08
FR2713318B1 (fr) 1996-02-16

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