FR2658593A1 - Air inlet opening - Google Patents
Air inlet opening Download PDFInfo
- Publication number
- FR2658593A1 FR2658593A1 FR9002024A FR9002024A FR2658593A1 FR 2658593 A1 FR2658593 A1 FR 2658593A1 FR 9002024 A FR9002024 A FR 9002024A FR 9002024 A FR9002024 A FR 9002024A FR 2658593 A1 FR2658593 A1 FR 2658593A1
- Authority
- FR
- France
- Prior art keywords
- nozzle
- room
- air
- neck
- air inlet
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- 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
-
- 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
- F24F13/26—Arrangements for air-circulation by means of induction, e.g. by fluid coupling or thermal effect
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Duct Arrangements (AREA)
Abstract
Description
BOUCHE D'ENTREE D'AIR
DESCRIPTION
L'invention se rapporte à une bouche d'entrée d'air dans un local d'habitation ou industriel en dépression par rapport à l'extérieur et généralement rempli d'air plus chaud.AIR INLET
DESCRIPTION
The invention relates to an air intake vent in a residential or industrial premises in depression compared to the outside and generally filled with warmer air.
De telles bouches d'aération peuvent être utilisées en liaison avec des systèmes de ventilation qui créent une légère dépression dans le local ou éventuellement des systèmes permettant un tirage d'origine thermique. Elles sont disposées devant une ouverture d'une paroi de séparation du local avec l'extérieur et peuvent comporter un conduit d'admission logé dans l'ouverture. L'air froid provenant de l'extérieur pénètre dans le local en formant un courant d'air inconfortable. Quoiqu'on prenne souvent la précaution de placer ces bouches d'entrée d'air non loin du plafond, le courant d'air froid de plus grande densité ne tarde pas à s'infléchir vers le bas et à retomber. On a constaté qu'une grande partie de la population habitant de tels locaux préférait condamner ces bouches d'entrée. Such air vents can be used in conjunction with ventilation systems that create a slight depression in the room or possibly systems allowing a thermal draft. They are arranged in front of an opening in a wall separating the room from the outside and may include an intake duct housed in the opening. Cold air from outside enters the room, forming an uncomfortable air flow. Although we often take the precaution of placing these air intake vents not far from the ceiling, the flow of cold air of higher density does not take long to bend down and fall. It has been found that a large part of the population living in such premises prefers to condemn these mouths.
L'invention exposée ici est le résultat de recherches visant à éliminer cette source d'inconfort. Le principe retenu consiste à briser le courant d'air froid sans introduire une perte de charge excessive et à le mélanger rapidement à l'air du local. The invention presented here is the result of research aimed at eliminating this source of discomfort. The principle adopted consists in breaking the flow of cold air without introducing an excessive pressure drop and mixing it quickly with the air in the room.
La bouche d'entrée d'air conforme à l'invention comporte une première tuyère qui s'effile de l'ouverture sur la paroi vers l'intérieur du local pour former un col, ainsi qu'une seconde tuyère présentant une extrémité en col accolée au col de la première tuyère et une extrémité large débouchant dans le local. The air inlet mouth according to the invention comprises a first nozzle which tapers from the opening on the wall towards the interior of the room to form a neck, as well as a second nozzle having a neck end. attached to the neck of the first nozzle and a wide end opening into the room.
L'une au moins des tuyères peut comprendre une paroi mobile afin de régler en particulier la section de son col. At least one of the nozzles may comprise a movable wall in order to regulate in particular the section of its neck.
On va maintenant passer au commentaire de la figure unique qui représente en coupe centrale une réalisation préférée de la présente invention présentant en outre certains avantages supplémentaires. We will now pass to the commentary on the single figure which shows in central section a preferred embodiment of the present invention further presenting certain additional advantages.
Un local 1 et l'extérieur 2 sont séparés par une paroi de séparation 3. La bouche d'entrée d'air 4 comprend tout d'abord un conduit 5 immobilisé dans un trou de la paroi de séparation 3. Il comprend à une extrémité un orifice d'admission d'air 6 débouchant sur l'extérieur 2 et à l'autre extrémité une première tuyère 7 qui se rétrécit progressivement vers l'intérieur du local 1 pour former finalement un premier col 8. Une seconde tuyère 9 est liée à la première tuyère 7 et se rétrécit progressivement entre une extrémité large 10 qui débouche dans le local 1 et un second col 11 qui débouche à côté du premier col 8. On peut plus précisément distinguer une première paroi incurvée 12 qui délimite la première tuyère 7 avec une paroi intermédiaire 13, ainsi qu'une seconde paroi incurvée 14 qui délimite la seconde tuyère 9 avec la paroi intermédiaire 13.Les tuyères 7 et 9 peuvent être refermées latéralement par deux plaques planes 15 dont une seule est représentée. A room 1 and the outside 2 are separated by a partition wall 3. The air inlet mouth 4 firstly comprises a duct 5 immobilized in a hole in the partition wall 3. It comprises at one end an air intake orifice 6 opening onto the outside 2 and at the other end a first nozzle 7 which gradually narrows towards the inside of the room 1 to finally form a first neck 8. A second nozzle 9 is linked to the first nozzle 7 and gradually narrows between a wide end 10 which opens into the room 1 and a second neck 11 which opens next to the first neck 8. We can more precisely distinguish a first curved wall 12 which delimits the first nozzle 7 with an intermediate wall 13, as well as a second curved wall 14 which delimits the second nozzle 9 with the intermediate wall 13.The nozzles 7 and 9 can be closed laterally by two flat plates 15, one of which s eule is represented.
Ces plaques et parois peuvent, dans une version simplifiée de l'invention, être rigidement reliées entre elles, ou mobiles comme on le représente ici : la seconde paroi incurvée 14 est mobile par rapport aux autres et solidaire d'une vis de réglage 16 dont la partie filetée pénètre dans un taraudage de la paroi intermédiaire 13. En tournant la vis de réglage 16, on modifie la forme de la seconde tuyère 9 et en particulier la section du second col 11. These plates and walls can, in a simplified version of the invention, be rigidly connected to each other, or movable as shown here: the second curved wall 14 is movable relative to the others and secured to an adjustment screw 16 of which the threaded part penetrates into a thread in the intermediate wall 13. By turning the adjusting screw 16, the shape of the second nozzle 9 and in particular the section of the second neck 11 are modified.
La paroi intermédiaire 13 est de plus courte longueur que les parois incurvées 12 et 14, ce qui permet de distinguer dans les cols 8 et 11 une partie de jonction 17 ou ils se confondent. The intermediate wall 13 is shorter in length than the curved walls 12 and 14, which makes it possible to distinguish in the collars 8 and 11 a junction part 17 where they merge.
On a symbolisé sous la référence 18 une vanne de réglage de débit d'air froid connue en soi disposée à l'entrée de la première tuyère 7. There is symbolized under the reference 18 a valve for adjusting the cold air flow rate known per se, disposed at the inlet of the first nozzle 7.
L'air froid entrant dans le conduit 5 à cause de la dépression dans le local 1 est accéléré et soumis à une dépression plus grande dans la première tuyère 7. On provoque ainsi une induction d'air chaud dans la seconde tuyère 9 à partir de l'extrémité large 10. L'écoulement de cet air chaud devient turbulent, ce qui provoque un mélange rapide avec l'air froid à l'intérieur de la partie de jonction 17. A la sortie dans le local 1, il n'y a pas de courant d'air à proprement parler mais un éparpillement de l'air d'aération dans un grand volume du local 1. Comme l'air d'aération a déjà été largement réchauffé par mélange avec l'air ayant circulé dans la seconde tuyère 9, sa densité a baissé et il ne retombe pas. Il est alors profitable d'incurver les tuyères 7 et 9 vers le haut en donnant aux parois 12, 13 et 14 qui les délimitent une orientation oblique par rapport au conduit 5 horizontal, ce qui aurait été peu utile sur une bouche d'entrée d'air ordinaire. La vis de réglage 16 permet d'obtenir l'écoulement d'air induit le plus satisfaisant en fonction des variations saisonnières de températures ou de la dépression. Une disposition semblable peut évidemment être retenue pour faire varier la section du premier col 8. The cold air entering the duct 5 due to the vacuum in the room 1 is accelerated and subjected to a greater vacuum in the first nozzle 7. This causes induction of hot air in the second nozzle 9 from the wide end 10. The flow of this hot air becomes turbulent, which causes rapid mixing with the cold air inside the junction portion 17. At the outlet in room 1, there is there is no air flow per se but a scattering of the aeration air in a large volume of the room 1. As the aeration air has already been largely heated by mixing with the air having circulated in the second nozzle 9, its density has dropped and it does not fall back. It is then advantageous to curve the nozzles 7 and 9 upward, giving the walls 12, 13 and 14 which delimit them an oblique orientation relative to the horizontal duct 5, which would have been of little use on an inlet mouth of ordinary air. The adjusting screw 16 makes it possible to obtain the most satisfactory induced air flow as a function of seasonal variations in temperature or of depression. A similar arrangement can obviously be adopted to vary the section of the first neck 8.
Le conduit 5 et l'orifice d'admission 6 peuvent être omis. The duct 5 and the inlet 6 can be omitted.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9002024A FR2658593B1 (en) | 1990-02-20 | 1990-02-20 | AIR INLET. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9002024A FR2658593B1 (en) | 1990-02-20 | 1990-02-20 | AIR INLET. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2658593A1 true FR2658593A1 (en) | 1991-08-23 |
FR2658593B1 FR2658593B1 (en) | 1992-05-07 |
Family
ID=9393908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9002024A Expired - Lifetime FR2658593B1 (en) | 1990-02-20 | 1990-02-20 | AIR INLET. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2658593B1 (en) |
Cited By (29)
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---|---|---|---|---|
FR2675565A1 (en) * | 1991-04-17 | 1992-10-23 | Abb Flakt | Self-adjusting air inlet mouth for ventilation of rooms |
NL1003635C2 (en) * | 1996-07-18 | 1997-05-02 | Derk Gerardus Eijkenbroek | Ventilation arrangement for window pane |
WO2012017219A1 (en) * | 2010-08-06 | 2012-02-09 | Dyson Technology Limited | A fan assembly |
WO2014194771A1 (en) * | 2013-06-03 | 2014-12-11 | 海尔集团公司 | Air-conditioner air supply apparatus and air-conditioner with apparatus |
US9732763B2 (en) | 2012-07-11 | 2017-08-15 | Dyson Technology Limited | Fan assembly |
US9745996B2 (en) | 2010-12-02 | 2017-08-29 | Dyson Technology Limited | Fan |
US9745981B2 (en) | 2011-11-11 | 2017-08-29 | Dyson Technology Limited | Fan assembly |
US9745988B2 (en) | 2010-09-07 | 2017-08-29 | Dyson Technology Limited | Fan |
US9752789B2 (en) | 2012-03-06 | 2017-09-05 | Dyson Technology Limited | Humidifying apparatus |
US9797612B2 (en) | 2013-01-29 | 2017-10-24 | Dyson Technology Limited | Fan assembly |
US9797613B2 (en) | 2012-03-06 | 2017-10-24 | Dyson Technology Limited | Humidifying apparatus |
US9797414B2 (en) | 2013-07-09 | 2017-10-24 | Dyson Technology Limited | Fan assembly |
US9816531B2 (en) | 2008-10-25 | 2017-11-14 | Dyson Technology Limited | Fan utilizing coanda surface |
US9822778B2 (en) | 2012-04-19 | 2017-11-21 | Dyson Technology Limited | Fan assembly |
US9903602B2 (en) | 2014-07-29 | 2018-02-27 | Dyson Technology Limited | Humidifying apparatus |
US9926804B2 (en) | 2010-11-02 | 2018-03-27 | Dyson Technology Limited | Fan assembly |
US9927136B2 (en) | 2012-03-06 | 2018-03-27 | Dyson Technology Limited | Fan assembly |
US9982677B2 (en) | 2014-07-29 | 2018-05-29 | Dyson Technology Limited | Fan assembly |
US10006657B2 (en) | 2009-03-04 | 2018-06-26 | Dyson Technology Limited | Fan assembly |
US10094581B2 (en) | 2011-07-27 | 2018-10-09 | Dyson Technology Limited | Fan assembly |
US10094392B2 (en) | 2011-11-24 | 2018-10-09 | Dyson Technology Limited | Fan assembly |
US10100836B2 (en) | 2010-10-13 | 2018-10-16 | Dyson Technology Limited | Fan assembly |
US10145583B2 (en) | 2012-04-04 | 2018-12-04 | Dyson Technology Limited | Heating apparatus |
US10221860B2 (en) | 2009-03-04 | 2019-03-05 | Dyson Technology Limited | Fan assembly |
US10309420B2 (en) | 2012-05-16 | 2019-06-04 | Dyson Technology Limited | Fan |
US10408478B2 (en) | 2012-03-06 | 2019-09-10 | Dyson Technology Limited | Humidifying apparatus |
US10428837B2 (en) | 2012-05-16 | 2019-10-01 | Dyson Technology Limited | Fan |
US10465928B2 (en) | 2012-03-06 | 2019-11-05 | Dyson Technology Limited | Humidifying apparatus |
US10612565B2 (en) | 2013-01-29 | 2020-04-07 | Dyson Technology Limited | Fan assembly |
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Publication number | Priority date | Publication date | Assignee | Title |
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GB1146655A (en) * | 1965-07-12 | 1969-03-26 | Svenska Flaektfabriken Ab | A device for ventilating rooms with air |
EP0068917A2 (en) * | 1981-06-30 | 1983-01-05 | SOCIETE D'ETUDES ET DE RECHERCHES DE VENTILATION ET D'AERAULIQUE - SERVA Société dite : | Method of controlling the ventilation of a room and device for carrying out said method |
WO1984000204A1 (en) * | 1982-06-23 | 1984-01-19 | Knut Bergdahl | A device for supplying air to a room |
-
1990
- 1990-02-20 FR FR9002024A patent/FR2658593B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1146655A (en) * | 1965-07-12 | 1969-03-26 | Svenska Flaektfabriken Ab | A device for ventilating rooms with air |
EP0068917A2 (en) * | 1981-06-30 | 1983-01-05 | SOCIETE D'ETUDES ET DE RECHERCHES DE VENTILATION ET D'AERAULIQUE - SERVA Société dite : | Method of controlling the ventilation of a room and device for carrying out said method |
WO1984000204A1 (en) * | 1982-06-23 | 1984-01-19 | Knut Bergdahl | A device for supplying air to a room |
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2675565A1 (en) * | 1991-04-17 | 1992-10-23 | Abb Flakt | Self-adjusting air inlet mouth for ventilation of rooms |
NL1003635C2 (en) * | 1996-07-18 | 1997-05-02 | Derk Gerardus Eijkenbroek | Ventilation arrangement for window pane |
US9816531B2 (en) | 2008-10-25 | 2017-11-14 | Dyson Technology Limited | Fan utilizing coanda surface |
US10145388B2 (en) | 2008-10-25 | 2018-12-04 | Dyson Technology Limited | Fan with a filter |
US10006657B2 (en) | 2009-03-04 | 2018-06-26 | Dyson Technology Limited | Fan assembly |
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WO2012017219A1 (en) * | 2010-08-06 | 2012-02-09 | Dyson Technology Limited | A fan assembly |
US9745988B2 (en) | 2010-09-07 | 2017-08-29 | Dyson Technology Limited | Fan |
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US9797613B2 (en) | 2012-03-06 | 2017-10-24 | Dyson Technology Limited | Humidifying apparatus |
US10408478B2 (en) | 2012-03-06 | 2019-09-10 | Dyson Technology Limited | Humidifying apparatus |
US9927136B2 (en) | 2012-03-06 | 2018-03-27 | Dyson Technology Limited | Fan assembly |
US10145583B2 (en) | 2012-04-04 | 2018-12-04 | Dyson Technology Limited | Heating apparatus |
US9822778B2 (en) | 2012-04-19 | 2017-11-21 | Dyson Technology Limited | Fan assembly |
US10309420B2 (en) | 2012-05-16 | 2019-06-04 | Dyson Technology Limited | Fan |
US10428837B2 (en) | 2012-05-16 | 2019-10-01 | Dyson Technology Limited | Fan |
US9732763B2 (en) | 2012-07-11 | 2017-08-15 | Dyson Technology Limited | Fan assembly |
US9797612B2 (en) | 2013-01-29 | 2017-10-24 | Dyson Technology Limited | Fan assembly |
US10612565B2 (en) | 2013-01-29 | 2020-04-07 | Dyson Technology Limited | Fan assembly |
WO2014194771A1 (en) * | 2013-06-03 | 2014-12-11 | 海尔集团公司 | Air-conditioner air supply apparatus and air-conditioner with apparatus |
US9797414B2 (en) | 2013-07-09 | 2017-10-24 | Dyson Technology Limited | Fan assembly |
US9903602B2 (en) | 2014-07-29 | 2018-02-27 | Dyson Technology Limited | Humidifying apparatus |
US9982677B2 (en) | 2014-07-29 | 2018-05-29 | Dyson Technology Limited | Fan assembly |
Also Published As
Publication number | Publication date |
---|---|
FR2658593B1 (en) | 1992-05-07 |
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