FR2726891A1 - Turbine type hot air blower for air conditioning system - Google Patents

Turbine type hot air blower for air conditioning system Download PDF

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Publication number
FR2726891A1
FR2726891A1 FR9413804A FR9413804A FR2726891A1 FR 2726891 A1 FR2726891 A1 FR 2726891A1 FR 9413804 A FR9413804 A FR 9413804A FR 9413804 A FR9413804 A FR 9413804A FR 2726891 A1 FR2726891 A1 FR 2726891A1
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FR
France
Prior art keywords
air
battery
turbine type
turbine
blower
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
FR9413804A
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French (fr)
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FR2726891B1 (en
Inventor
Joseph Troiano
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D APPLIC THERMIQUES CIAT COMP
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D APPLIC THERMIQUES CIAT COMP
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Filing date
Publication date
Application filed by D APPLIC THERMIQUES CIAT COMP filed Critical D APPLIC THERMIQUES CIAT COMP
Priority to FR9413804A priority Critical patent/FR2726891B1/en
Publication of FR2726891A1 publication Critical patent/FR2726891A1/en
Application granted granted Critical
Publication of FR2726891B1 publication Critical patent/FR2726891B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0233—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels
    • F28D1/024—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels with an air driving element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Hybrid Cells (AREA)

Abstract

The turbine type blower (12b) is motor driven along an axis (12a) and is partially enclosed by a cowling (12c). When the blower is in use air is drawn in through inlets (10a,10b) and channeled along a deflector plate (16) to pass through radiating fins (11a).The radiating fins are fluid heated and the warmed air exits through a grill (15) in the casing (10). If a flap valve (17) is opened and the heating fluid deactivated, air is drawn in through a lower grill (14), heated by electrical resistors (19) and expelled through the upper grill (15) by convection.

Description

La présente invention a trait aux appareils destinés à assurer le conditionnement de l'air dans Les locaux, du genre comprenant un groupe moto-ventilateur assurant le soufflage associé à un échangeur de chaleur constitué par une batterie ailetée. The present invention relates to devices intended to provide air conditioning in premises, of the type comprising a motor-fan unit providing blowing associated with a heat exchanger constituted by a finned battery.

Ainsi qu'on l'a schématiquement illustré à la fig. 1 du dessin annexé aux présentes, dans les dispositifs connus à ce jour, la batterie ailetée 1 est disposée dans le corps de l'appareil de manière telle que les ailettes la fixées aux tubes ld qui forment le circuit pour la circulation du fluide caloporteur sont orientées perpendiculairement à l'axe de l'arbre d'entrainement 2a de la turbine 2b du ventilateur 2. As schematically illustrated in FIG. 1 of the drawing appended hereto, in the devices known to date, the finned battery 1 is arranged in the body of the device so that the fins fixed to the tubes ld which form the circuit for the circulation of the heat transfer fluid are oriented perpendicular to the axis of the drive shaft 2a of the turbine 2b of the fan 2.

Dans ces conditions, L'air de L'ambiance est aspiré à travers une ouie inférieure 3 et après filtrage en 4, est refoulé par la turbine 2b pour traverser l'échangeur 1 et être finalement diffusé dans L'ambiance par une ouie superieure de souffLage 5.Under these conditions, the air from the atmosphere is sucked through a lower outlet 3 and after filtering at 4, is discharged by the turbine 2b to pass through the exchanger 1 and is finally diffused into the atmosphere by an upper outlet of blowing 5.

L'invention se fonde sur l'observation que cette disposition classique de l'échangeur 1 par rapport au groupe moto-ventilateur 2 présente des inconvénients non négligeables en pratique. The invention is based on the observation that this conventional arrangement of the exchanger 1 with respect to the motor-fan unit 2 has significant drawbacks in practice.

On peut en premier lieu noter que l'orientation réciproque susindiquée n'assure pas une diffusion excellente de L'air refoulé, si bien qu'on obtient des performances thermiques et accoustiques plus ou moins bonnes. De plus, les obstacles constitués par le filtre 4, la turbine 2b et l'échangeur 1 interdisent en pratique le conditionnement de L'air par simple convection naturelle. Enfin, il n'est pas sans intérêt de relever que dans le montage classique tel que rappelé plus haut, le flux d'air soufflé n'est orienté que dans une seule direction. It may first of all be noted that the above-mentioned reciprocal orientation does not ensure excellent diffusion of the exhaust air, so that more or less good thermal and acoustic performances are obtained. In addition, the obstacles constituted by the filter 4, the turbine 2b and the exchanger 1 prohibit in practice the conditioning of the air by simple natural convection. Finally, it is not without interest to note that in the conventional assembly as recalled above, the flow of blown air is oriented only in one direction.

C'est à ces inconvénients qu'entend principalement remédier la présente invention, laquelle consiste essentiellement à monter la batterie ailetée dans le corps de façon à ce que les ailettes soient orientees parallèlement à l'axe de la turbine, et à opérer la répartition de L'air soufflé sur la longueur de ladite batterie à L'aide d'une cloison orientée obliquement afin de former déflecteur. It is to these drawbacks that the present invention mainly intends to remedy, which consists essentially in mounting the finned battery in the body so that the fins are oriented parallel to the axis of the turbine, and in operating the distribution of The air blown over the length of said coil using a partition oriented obliquely to form a deflector.

Le dessin annexé, donné à titre d'exemple, permettra de mieux comprendre l'invention, les caractéristiques qu'elle présente et les avantages qu'elle est susceptible de procurer
Comme indiqué plus haut, fig. 1 est une coupe verticale schématique montrant l'agencement classique des appareils connus.The appended drawing, given by way of example, will allow a better understanding of the invention, the characteristics which it presents and the advantages which it is capable of providing.
As indicated above, fig. 1 is a schematic vertical section showing the conventional arrangement of known devices.

Fig. 2 est une coupe horizontale montrant la partie inférieure d'un appareil etabli conformément à l'invention. Fig. 2 is a horizontal section showing the lower part of an apparatus established in accordance with the invention.

Fig. 3 et 4 sont des schémas illustrant le fonctionnement de
L'appareil suivant fig. 2.Fig. 3 and 4 are diagrams illustrating the operation of
The device according to fig. 2.

Dans L'appareil de conditionnement d'air représenté en fig. 2, l'échangeur de chaleur ou batterie 11 et le groupe moto-ventilateur 12 sont montés à l'intérieur du corps 10 de façon telle que les ailettes 11a fixées sur les tubes îlb sont orientées parallèlement à l'arbre d'entrainement 12a de la turbine 12b, lesdites ailettes et ledit arbre étant disposés verticalement dans le cas envisagé. In the air conditioner shown in fig. 2, the heat exchanger or battery 11 and the motor-fan unit 12 are mounted inside the body 10 in such a way that the fins 11a fixed on the tubes îlb are oriented parallel to the drive shaft 12a of the turbine 12b, said fins and said shaft being arranged vertically in the case envisaged.

On notera en outre que la volute 12c du groupe 12 se prolonge par une cloison verticale 16 orientée obliquement en arrière des ailettes lla en vue de former déflecteur pour l'air soufflé par la turbine 12b.  It will also be noted that the volute 12c of group 12 is extended by a vertical partition 16 oriented obliquely behind the fins 11a in order to form a deflector for the air blown by the turbine 12b.

Le schéma de fig. 3 montre que Lorsque le ventilateur 12 est en fonctionnement et que les tubes 11b de l'échangeur ou batterie 11 sont parcourus par le fluide caloporteur, l'air est aspiré par la turbine 12b à travers des ouies arrière 10a et 10b, et est refoulé par une ouie supérieure 15 après avoir traversé l'échangeur 11. The diagram in fig. 3 shows that when the fan 12 is in operation and that the tubes 11b of the exchanger or battery 11 are traversed by the heat transfer fluid, the air is sucked in by the turbine 12b through rear vents 10a and 10b, and is discharged by an upper hole 15 after passing through the exchanger 11.

Les essais ont démontré que moyennant une orientation convenable de la cloison 16, on obtenait une excellente répartition du flux d'air sur l'échangeur ou batterie 11, impliquant un gain sensible au niveau des performances aérauliques, thermiques et acoustiques. On conçoit en outre que le flux d'air refoulé est susceptible d'être dirigé, totalement ou partiellement, soit vers une ouie de soufflage antérieure, soit vers des ouies latérales, soit même vers une ouie inférieure 14. The tests have demonstrated that by means of a suitable orientation of the partition 16, an excellent distribution of the air flow on the exchanger or coil 11 is obtained, implying a significant gain in terms of aeraulic, thermal and acoustic performance. It will also be understood that the flow of discharged air is capable of being directed, totally or partially, either towards an anterior blowing opening, or towards lateral openings, or even towards a lower opening 14.

Fig. 4 fait ressortir qu'un tel agencement se prête particuliere- ment bien à un chauffage par simple convection naturelle, et ce moyennant la manoeuvre d'un volet de commande 17 prévu dans la partie inférieure du corps 10, au niveau de la base de l'échangeur 11, dans le conduit 18 qui sépare ledit échangeur et la paroi avant du corps. Fig. 4 shows that such an arrangement lends itself particularly well to heating by simple natural convection, and this by means of the operation of a control flap 17 provided in the lower part of the body 10, at the base of the exchanger 11, in the conduit 18 which separates said exchanger and the front wall of the body.

En fig. 3, ce volet 17 est bien entendu fermé de façon à ce que l'air passe intégralement à travers la turbine 12b. Par contre, en fig. 4, ce même volet 17 est ouvert, si bien que par convection, l'air ambiant pénètre à travers L'oui inférieure 14, lèche des résistances électrique 19 qui le chauffent, s'élève en avant de la batterie 11 et sort du conduit 18 à travers L'oui supérieure 15, sans rencontrer aucun obstacle. In fig. 3, this flap 17 is of course closed so that the air passes entirely through the turbine 12b. On the other hand, in fig. 4, this same flap 17 is open, so that by convection, the ambient air penetrates through the lower yes 14, licks electrical resistances 19 which heat it, rises in front of the battery 11 and leaves the duct 18 through the upper yes 15, without encountering any obstacle.

Il va de soi que l'invention est susceptible d'être mise en oeuvre quel que soit le genre du ventilateur utilisé, en ce sens qu'on peut avoir recours aussi bien à des ventilateurs tangentiels qu'à des ventilateurs centrifuges du type cage d'écureuil. On conçoit en outre que le filtrage de l'air soufflé peut être opéré en amont ou en aval du ventilateur. It goes without saying that the invention is capable of being implemented regardless of the type of fan used, in the sense that recourse can be had to both tangential fans and to centrifugal fans of the cage type d 'squirrel. It is further understood that the filtering of the blown air can be operated upstream or downstream of the fan.

Il doit d'ailleurs être entendu que la description qui précède n'a été donnée qu'à titre d'exemple et qu'elle ne limite nullement le domaine de l'invention dont on ne sortirait pas en remplaçant les détails d'execution décrits par tous autres équivalents.  It should also be understood that the foregoing description has been given only by way of example and that it in no way limits the field of the invention from which one would not depart by replacing the execution details described by all other equivalents.

Claims (2)

R E V E N D I C A T I O N S R~E~U~~E~N~o~'~C~A~I~I~o~N~SR E V E N D I C A T I O N S R ~ E ~ U ~~ E ~ N ~ o ~ '~ C ~ A ~ I ~ I ~ o ~ N ~ S 1. Appareil pour le conditionnement de L'air dans les locaux, du type comprenant un moto-ventilateur de soufflage (12) associé à un échangeur de chaleur constitue par une batterie ailetée (11), caractérisé en ce que la batterie ailetée est montée dans le corps (10) de l'appareil de façon à ce que ses ailettes (lia) soient orientées paral lèlement à l'axe (12a) de la turbine (12b) du moto-ventilateur, tandis que la répartition de l'air soufflé sur la longueur de ladite batterie est opérée à l'aide d'une cloison (16) orientée obliquement afin de former déflecteur. 1. Apparatus for air conditioning in the premises, of the type comprising a blower motor fan (12) associated with a heat exchanger constituted by a finned battery (11), characterized in that the finned battery is mounted in the body (10) of the device so that its fins (lia) are oriented parallel to the axis (12a) of the turbine (12b) of the fan motor, while the air distribution blown over the length of said battery is operated using a partition (16) oriented obliquely to form a deflector. 2. Appareil suivant la revendication 1, caractérisé en ce que la batterie ailetée (11) et la paroi antérieure du corps (10) définissent un conduit vertical (18) commandé par un volet de réglage (17) et équipé à sa base de résistances électriques (19) qui permettent un chauffage par simple convection naturelle.  2. Apparatus according to claim 1, characterized in that the finned battery (11) and the front wall of the body (10) define a vertical duct (18) controlled by an adjustment flap (17) and equipped at its base with resistors electric (19) which allow heating by simple natural convection.
FR9413804A 1994-11-14 1994-11-14 BLOWER DEVICE WITH A THREADED BATTERY FOR AIR CONDITIONING IN PREMISES Expired - Fee Related FR2726891B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9413804A FR2726891B1 (en) 1994-11-14 1994-11-14 BLOWER DEVICE WITH A THREADED BATTERY FOR AIR CONDITIONING IN PREMISES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9413804A FR2726891B1 (en) 1994-11-14 1994-11-14 BLOWER DEVICE WITH A THREADED BATTERY FOR AIR CONDITIONING IN PREMISES

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FR2726891A1 true FR2726891A1 (en) 1996-05-15
FR2726891B1 FR2726891B1 (en) 1996-12-27

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FR9413804A Expired - Fee Related FR2726891B1 (en) 1994-11-14 1994-11-14 BLOWER DEVICE WITH A THREADED BATTERY FOR AIR CONDITIONING IN PREMISES

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1126228A2 (en) * 2000-02-16 2001-08-22 James Gerard Tangney A space heater
WO2004048857A1 (en) * 2002-11-27 2004-06-10 Galletti Spa Unified equipment for heat-exchange
WO2012023906A1 (en) * 2010-08-16 2012-02-23 Sabbagh Omar Katmawi Air heating radiator system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE534941C (en) * 1931-10-03 Maschf Augsburg Nuernberg Ag Air heater with electrically driven fan with horizontal shaft
US2022332A (en) * 1934-04-04 1935-11-26 American Radiator Co Air conditioning heating cabinet
FR1317409A (en) * 1962-01-26 1963-02-08 heat exchanger and heating or air conditioning apparatus provided with said exchanger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE534941C (en) * 1931-10-03 Maschf Augsburg Nuernberg Ag Air heater with electrically driven fan with horizontal shaft
US2022332A (en) * 1934-04-04 1935-11-26 American Radiator Co Air conditioning heating cabinet
FR1317409A (en) * 1962-01-26 1963-02-08 heat exchanger and heating or air conditioning apparatus provided with said exchanger

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1126228A2 (en) * 2000-02-16 2001-08-22 James Gerard Tangney A space heater
EP1126228A3 (en) * 2000-02-16 2002-12-04 James Gerard Tangney A space heater
WO2004048857A1 (en) * 2002-11-27 2004-06-10 Galletti Spa Unified equipment for heat-exchange
WO2012023906A1 (en) * 2010-08-16 2012-02-23 Sabbagh Omar Katmawi Air heating radiator system

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Publication number Publication date
FR2726891B1 (en) 1996-12-27

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