EP1571402B1 - Appareil de traitement de l'air d'une pièce pour chauffer, refroidir et/ou ventiler une pièce et méthode correspondante - Google Patents

Appareil de traitement de l'air d'une pièce pour chauffer, refroidir et/ou ventiler une pièce et méthode correspondante Download PDF

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Publication number
EP1571402B1
EP1571402B1 EP05003232.5A EP05003232A EP1571402B1 EP 1571402 B1 EP1571402 B1 EP 1571402B1 EP 05003232 A EP05003232 A EP 05003232A EP 1571402 B1 EP1571402 B1 EP 1571402B1
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EP
European Patent Office
Prior art keywords
air
room
room air
related device
heat exchanger
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Not-in-force
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EP05003232.5A
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German (de)
English (en)
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EP1571402A1 (fr
Inventor
Gerd Dr. Ing. Schaal
Ralf Dipl.-Ing. Wagner
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LTG AG
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LTG AG
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    • 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
    • F24F1/01—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station in which secondary air is induced by injector action of the primary air
    • 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
    • F24F1/0053—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted at least partially below the floor; with air distribution below the floor

Definitions

  • the invention relates to a room ventilation device for heating, cooling and / or ventilating a room.
  • Ventilation systems provided with induction devices are known. They are connected with their primary air connection to a primary air treatment system located centrally in the building via ventilation ducts. These lead to the respective induction device to primary air, which flows into a mixing chamber and - due to the induction effect - draws in room air through a heat exchanger. The room air is treated thermally in the heat exchanger and mixes downstream of the heat exchanger in the mixing chamber with the primary air. The mixed air thus formed is blown through a Zuluftauslass in the room of the building.
  • Such devices have only a limited cooling or heating power, since the amount of primary air supplied is measured by the fresh air content to be provided in the room. If necessary, this proportion of fresh air is determined according to the purpose of the room, in particular according to the expected number of people in the room.
  • DE1931155 discloses a room ventilation device for heating, cooling and / or ventilating a room, with a primary air connection for supplied primary air, a room air inlet and a Zu Kunststoffauslass, and with a heat exchanger, the room air can be supplied from the room air inlet and the downstream of an air conveyor downstream, downstream of the air delivery device is the Zu povertyauslass.
  • the invention is based on the object to provide a room ventilation device with more flexible management, which provides, inter alia, a larger cooling or heating capacity at optionally preferably constant primary air flow (same primary air volume flow).
  • the mentioned room ventilation device a primary air connection for supplied primary air, a room air inlet and a Zubuchauslass and a heat exchanger, wherein the heat exchanger room air from the room air inlet and / or demand / optionally primary air from the primary air supply can be fed and downstream of an air conveyor downstream, and downstream of the air conveyor is the Zu Kunststoffauslass.
  • primary air can be supplied to the primary air connection in a first operating mode, which mixes with a room air drawn in from the room in a mixing space in front of the heat exchanger on account of its induction effect. Since this mixture of the two types of air takes place before the heat exchanger, here is the so-called direct induction.
  • the mixed air then flows through the heat exchanger and is optionally treated thermally.
  • the air thus treated flows to the supply air outlet and thereby enters the room.
  • the air conveyor which is located between the heat exchanger and the Zu Kunststoffauslass, is not in operation; Therefore, it is only flowed through by the coming of the heat exchanger air flow.
  • primary air is also supplied to the primary air connection, so that the same conditions are established as described above in the first operating mode, but active air delivery takes place downstream of the heat exchanger, in that the air conveying device is put into operation.
  • the primary air volume flow in the second operating mode preferably remains constant or limited to an adjustable value, ie, the amount of primary air supplied to the primary air supply per unit time is essentially not influenced by the suction effect of the air conveyor.
  • the air conveyor is in operation, ie, it develops a suction effect, with the result that room air is sucked through the heat exchanger and conveyed to Zu Kunststoffauslass so that consequently room air can be treated by heat exchanger and in the Room is blown back.
  • the amount of air thus treated is in turn of the Operation management of the air conveyor device dependent, in particular, a control or regulation can be provided.
  • the room air technical device can also work in the ventilation mode.
  • the heat exchanger is switched off, ie a cooling or heating medium flowing through the heat exchanger can not be active.
  • the result is that when the primary air is not supplied, the room air is circulated and, with the primary air supplied, a supply of fresh air with mixing and recirculation of the room air takes place.
  • the latter can be carried out both with active air conveyor and switched-off air conveyor due to the induction effect.
  • the air conveyor is a fan.
  • the air flow rate can be determined in a simple manner.
  • an induction device is used as an air conveyor. It is conceivable that this is flowed through by a partial flow of the primary air or additional primary air, ie, their induction nozzles receive a portion of the primary air or additional primary air (in addition to the primary air, which is supplied to the primary air connection), which / does not flow through the heat exchanger. Due to the developed induction effect, more air is drawn through the heat exchanger, with the result that a correspondingly larger proportion of indoor air passes through the heat exchanger.
  • the air conveying device can be designed as a cross-flow fan.
  • This embodiment allows the promotion of large amounts of air at very low sound power, so that can be preferably dispensed with a muffler.
  • a silencer is also conceivable.
  • an induction device located downstream of the primary air connection is provided.
  • the blowing out of the primary air into the mentioned mixing space leads to an induction effect, which draws in room air.
  • this suction effect is enhanced when the blowing out of the primary air takes place in the mixing space by means of the aforementioned induction device, so that in this way a larger amount of room air is sucked.
  • the induction device has in particular at least one induction nozzle.
  • the induction nozzle With the induction nozzle, the primary air is ejected into the mixing chamber, the nozzle effect causes a strong induction, so a correspondingly large amount of indoor air is sucked.
  • a plurality of induction nozzles of the induction device are provided to produce a large volume of room air flow.
  • the primary air connection preferably leads to an air distribution box.
  • the supplied primary air is blown through the air distribution box in accordance with a wide current in the mixing chamber, so that a surface effect is achieved.
  • the aforementioned induction nozzles are arranged on the air distribution box, so that the supplied primary air is initially distributed in the air distribution box and then exits from the mutually spaced induction nozzles in the mixing chamber.
  • the air conditioning device is designed as a central device. This means that it is centrally supplied with primary air, that is, the primary air comes from an air center that supplies a variety of air conditioning equipment.
  • the air center is preferably located at a specific location of the building to centrally recycle outside air there.
  • the outside air is filtered in particular and humidified or dehumidified if necessary. In particular, it can also already be pretreated thermally, ie flow through corresponding heating or cooling units. Via a pipe distribution network (air ducts) the thus prepared primary air is supplied to the primary air connection of the respective central device.
  • the room air technical device according to the invention is designed as a decentralized device.
  • a subsequent installation of the decentralized device is possible in a room to be air-conditioned or ventilated.
  • This can of course also be largely invisible, so for example in a raised floor.
  • the decentralized device is supplied with air which it receives from its immediate vicinity. For example, outside air is sucked in the region of the facade of the room by means of an air conveyor and fed to the primary air connection.
  • primary air is thus also understood as meaning, inter alia, also outside air (treated or untreated).
  • the training results as underfloor device, parapet or ceiling device.
  • the heat exchanger is arranged obliquely in the housing of the air conditioning device, since then a correspondingly low or narrow overall height is achieved.
  • the dimension of the heat exchanger is greater than the corresponding housing dimension.
  • the room air inlet and the supply air outlet are located on the same, first housing side of the housing of the ventilation and air conditioning device.
  • the primary air connection is arranged on a second side of the housing, which forms an angle with the first side of the housing. So it is for example possible to form the room air inlet and Zuluftauslass on the ceiling wall of the housing, while the primary air connection is arranged on a side wall or end wall of the housing and consequently the two mentioned housing sides preferably have an angle of approximately 90 ° to each other.
  • the mentioned configuration is particularly advantageous if the room ventilation device is equipped as an underfloor device, since then the mentioned ceiling wall can form a floor section of the room to be ventilated or air-conditioned.
  • the first housing side has an air grid or is formed by an air grid.
  • the heat exchanger is guided to the air grille and thereby limits the opening of the room air inlet. This saves expensive air handling means and therefore reduces the construction costs. Accordingly, it can be provided that the cross-flow fan has a vortex former which is arranged on the air grid and thereby limits the opening of the Zu Kunststoffauslasses. Only the zone between the vortex former and the heat exchanger must be closed in the region of the air grille by means of a corresponding wall of the housing in order to prevent air coming from the heat exchanger from entering the room without passing through the air conveyor device.
  • the FIG. 1 shows a room air technical device 1, which is designed as a central device 2, namely as an underfloor device 3.
  • the underfloor device 3 has a substantially cuboidal housing 4, which has a bottom wall 5, a top wall 6, a side wall 7, a side wall 8 and two further, from the FIG. 1 has unrecognizable side walls which are parallel to the paper plane of the FIG. 1 run and spaced from each other and determine the width of the Unterflur réelles 3.
  • the side wall 7 has a sloping wall portion 9 and the side wall 8 also has a sloping wall portion 10. Starting from the bottom wall 5, the side wall 7 further has a wall part 11 standing at right angles to the bottom wall 5 and the side wall 8 has a wall part 12 which also extends at right angles to the bottom wall 5.
  • the two inclined wall parts 9 and 10 are aligned in their angles so that they diverge from each other.
  • the ceiling wall 6 is formed as an air grid 13, which forms a first housing side 14 of the housing 4.
  • the side wall 7 forms a second housing side 15 of the housing 4.
  • the side edge regions 19 'and 20' of the air grille 13 project beyond the wall part 9 and the wall part 10, respectively.
  • the underfloor device 3 is located within a double floor 16 of a room 17 of a building, not shown, or the like.
  • the underfloor device 3 is arranged below the specialtyfelzten floor 18 of the space 17, that the air grille 13 is aligned with the floor 18.
  • the underfloor device 3 is arranged in the region of the facade 19 of the space 17, that is, the air grille 13 extends up to the parapet wall 20 of the space 17. Above the parapet wall 20 there is a window 21. Further details of the room 17 are not shown here for the sake of simplicity.
  • a primary air connection 22 is arranged in the region of the side wall 7 of the housing 4 and opens into a triangular-shaped air distribution box 23, which extends over the width of the air-conditioning device 1.
  • the rear wall 24 of the Lucasverteilkastens 23 extends at an acute angle to the bottom wall 5 and has - over its width and / or height-air outlet openings 25. If, via a primary air channel (not shown), primary air is blown into the air distribution box 23 via the primary air connection 22, this primary air exits the mentioned air outlet openings 25 according to the primary air arrows 26 'in the interior of the housing 4. This takes place in a mixing chamber 27, which is bounded on one side by the air distribution box 23 and on the other side by a heat exchanger 28.
  • the heat exchanger 28 is placed obliquely in the housing 4, so that its lower corner edge 29 rests against the inside of the bottom wall 5 and its upper corner edge 30 against the inside of the air grille 13.
  • the air grille 13 forms a room air inlet 31. Due to the effluent from the air outlet openings 25 primary air (primary air arrows 26 '), an induction effect is achieved, which leads to that 17 room air is sucked in from the room according to the room air arrows 32 and enters the mixing chamber 27. There takes place in the course of the so-called direct induction, a mixture with the primary air.
  • the air distribution box 23 together with the air outlet openings 25 thus an induction device 52.
  • the mixed air formed flows through the heat exchanger 28 and is treated there heat technology. Depending on whether the heat exchanger is flowed through by cold water or warm water, there is a warming of the air or a cooling.
  • the water connections and the entire water cycle of the heat exchanger 28 are not shown for clarity. It is of course possible to specify the temperature of the heat exchanger 28 in the desired manner and if necessary to realize a control or regulation of the amount of water.
  • the mixed air arrows 33 'it is indicated that the mixed air flowing through the heat exchanger 28 now reaches an air conveying device 33, which is arranged in the housing 4 and designed as a cross-flow fan 34.
  • the cross-flow fan 34 is driven by means of an electric motor, not shown.
  • the drive is switched on and off as well as controllable and / or controllable, so that a control and / or regulating device, not shown, carries out a corresponding operational management of the underfloor device 3, depending on the desired operating mode.
  • the water temperature of the heat exchanger 28 and optionally also the volume flow of the water may additionally or alternatively be regulated and / or controlled.
  • the flow rate of the Primary air (primary air arrow 26) on and off as well as to control and / or regulate.
  • all these parameters can be controlled or regulated alone or in combination of certain parameters with each other or with all parameters.
  • the cross-flow fan 34 conveys the mixed air corresponding to the mixed air arrows 35 to a Zubuchauslass 36, which is formed by a portion of the air grille 13. Between the heat exchanger 28 and the facing edge of the opening of the Zu povertyauslasses 36 is a the air grille 13 occlusive wall portion 37 of the housing 4, which merges into a vortex former 38 of the cross-flow fan 34. From the supply air outlet 36, the mixed air 35 exits as supply air according to Zu povertypfeil 39 upwards. This preferably takes place near the parapet wall 20 of the room 17.
  • the air conditioning device 1 operates in a first mode thus according to the above statements such that the primary air induces room air and the mixed air thus formed passes through the heat exchanger 28.
  • the then subsequent cross-flow fan 34 is turned off, but can be traversed by the air.
  • the mixed air flows via the Zuluftauslass 36 in the space 17 upwards or obliquely upward.
  • the device operates as in the first mode, but in addition, the cross-flow fan 34 is turned on and thus supports the induction effect. Even if due to the exit of the primary air from the air outlet openings 25 no induction effect would be achieved, ensures the suction effect of the cross-flow fan 34 that room air is sucked in from the space 17, mixes with the primary air and the mixed air passes through the heat exchanger 28.
  • the room ventilation device 1 of the works FIG. 1 as follows: no primary air is supplied to the primary air connection 22 because, for example, an air valve, not shown there, is closed.
  • the cross-flow fan 34 is in operation and therefore takes place a ventilation treatment of the room air of the room 17, since the cross-flow fan 34 draws in room air via the room air inlet 31, the room air is treated in the heat exchanger 28 with respect to their temperature and the thus treated air from the Zu povertyauslass 36th is blown back into the room 17.
  • the heat exchanger 28 is taken out of operation, i.e., its water supply is shut off and / or the water is not cooled or heated.
  • the ventilation device 1 operates as a ventilation device for the room 17th
  • FIG. 2 shows a further embodiment of an air-technical device 1, that the embodiment of the FIG. 1 only differs in that instead of the air outlet openings 25 of the Beerverteilkastens 23 induction nozzles 40 (primary air nozzles) are provided, of which -for the sake of simplicity in the FIG. 2 only one is shown.
  • the induction device 52 is formed.
  • a plurality of rows of primary air nozzles 40 which cause that from the primary air nozzles 40th exiting primary air cause a very intense induction, ie, it is sucked a correspondingly large volume flow of room air through the room air inlet 31 and mixed with the primary air.
  • the operation of the air conditioning device 1 according to the embodiment of FIG. 2 otherwise corresponds to the operation, as in the embodiment of the FIG. 1 already described.
  • the embodiment of a room ventilation device 1 according to FIG. 3 differs from the embodiment of FIG. 1 in that an air valve 42 in the form of a rotary flap 43 is arranged in the primary air feed line 41 so that, depending on the position of the rotary flap, a corresponding primary air volume flow is supplied to the air distribution box 23.
  • FIG. 4 In the embodiment of FIG. 4 is a room ventilation device 1 realized, the design of the FIG. 1 corresponds, but a primary air supply 44 is connected upstream, so that the air conditioning device 1 in the embodiment of FIG. 4 is not designed as a central, but as a decentralized device 45.
  • An in the facade 19 of the room 17 having the building is an outside air opening 46, in the outside air according to the outside air arrow 47 can flow.
  • the outside air opening 46 can be opened or closed as required by means of an outside air valve 48 or adjusted in accordance with the desired outside air volume flow. This is promoted by a connected to the outside air valve 48 downstream outside air fan 49, whose speed controlled by the aforementioned control and / or regulating unit in the desired manner and / or regulated.
  • a muffler 50 can connect, but this can be omitted if the outside air fan 49 is designed for example as a cross-flow fan and therefore only emits a very low sound pressure.
  • the outside air fan 49 is connected via the optional muffler 50 to the primary air connection 22 via an air connection line 51.
  • the primary air supply 44 which is an outside air supply, indicated only schematically.
  • the room air-technical device 1 it is also conceivable to arrange the room air-technical device 1 somewhat further away from the parapet wall 20, so that the outside air can enter the room air-technical device 1 in a straight path, but then the primary air connection 22 does not face away from the facade, but faces it is arranged, ie, the air conditioning device 1 is compared to the representation of FIG. 4 rotated by 180 ° in the double bottom 16 of the space 17.
  • the primary air supply 44 is not arranged separately, ie outside of the housing 4 of the air conditioning device 1, but is located within the housing 4, so that consequently a decentralized device 45 is provided, all components or at least a proportion of Components (possibly no muffler 50).
  • FIG. 4 works as follows. Depending on the speed of the outside air fan 49, a corresponding outside air volume flow is sucked in, wherein the outside air valve 48 is open. This outside air volume flow is supplied as primary air volume flow via the air connection line 51 and the primary air connection 22 to the air distribution box 23. From there then takes place the respective operation of the air conditioning device 1 as well as in the embodiment of FIG. 1 described.
  • the ventilation device can be operated according to the first operating mode in the direct induction mode.
  • a correspondingly relatively small volume flow is supplied, which leads to a relatively small cooling capacity / heating power due to the corresponding induction effect.
  • the primary air is processed in a decentralized manner, that is to say that external air is supplied by means of a fan, a small sound power can be achieved if a cross-flow fan is used as the fan.
  • a cross-flow fan is used as the fan.
  • the downstream connection of a silencer is recommended.
  • central operation is also possible, that is, the primary air is supplied from an air center of the building via an air distribution network.
  • the primary air When connected to a central ventilation system, the primary air is supplied by a central fan and a seated in the ventilation duct and / or directly in front of the ventilation device volume flow regulator, preferably with silencer.
  • the primary air through a shut-off and control unit, which is mounted in or shortly behind a wall opening of the facade, by a downstream fan (centrifugal fan, axial fan or cross-flow fan), possibly with a muffler, promoted this promotion can be controlled or regulated.
  • the cross-flow fan sitting in the device draws in through the heat exchanger at a constant primary air quantity substantially more circulating air / room air.
  • the cross-flow fan used can promote significantly larger volume flows compared to a corresponding centrifugal fan or axial fan with the same sound power. If the cross-flow fan is used, a silencer can be dispensed with.
  • the from the FIG. 4 Outgoing primary air supply 44 may be integrated directly into the housing 4 of the ventilation device in the execution of the ventilation device as a decentralized device. Alternatively, it is also possible to form the primary air feed 44 as a mounting kit, ie to integrate into a mounting housing.
  • the ventilation Device as a central device can be a shut-off and / or control valve according to the embodiment of FIG. 3 be integrated with the device (housing 4), so that a unit is present in a common housing.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Air Conditioning (AREA)

Claims (21)

  1. Équipement (1) de conditionnement d'air ambiant pour chauffer, rafraîchir et/ou aérer une pièce (17), comprenant un raccordement d'air primaire (22) pour de l'air primaire fourni, une entrée d'air ambiant (31) et une sortie d'air amené (36), et comprenant un échangeur de chaleur (28) auquel peut être amené de l'air ambiant de l'entrée d'air ambiant (31) et en fonction des besoins, de l'air primaire du raccordement d'air primaire (22) et auquel un équipement de transport d'air (33) est branché en aval, dans lequel la sortie d'air amené (36) est disposée en aval de l'équipement de transport d'air (33).
  2. Équipement de conditionnement d'air ambiant selon la revendication 1, caractérisé en ce que l'équipement de transport d'air (33) est un ventilateur.
  3. Équipement de conditionnement d'air ambiant selon l'une des revendications précédentes, caractérisé en ce que l'équipement de transport d'air (33) est un ventilateur tangentiel (34).
  4. Équipement de conditionnement d'air ambiant selon l'une des revendications précédentes, caractérisé en ce que l'équipement de transport d'air (33) est un dispositif à induction.
  5. Équipement de conditionnement d'air ambiant selon l'une des revendications précédentes, caractérisé par un équipement à induction (52) reposant en aval du raccordement d'air primaire (22).
  6. Équipement de conditionnement d'air ambiant selon la revendication 5, caractérisé en ce que l'équipement à induction (52) présente au moins une buse à induction (40) pour souffler l'air primaire.
  7. Équipement de conditionnement d'air ambiant selon l'une des revendications précédentes, caractérisé en ce que le raccordement d'air primaire (22) conduit à un caisson de diffusion d'air (23).
  8. Équipement de conditionnement d'air ambiant selon la revendication 7, caractérisé en ce que la buse à induction (40) part du caisson de diffusion d'air (23).
  9. Équipement de conditionnement d'air ambiant selon l'une des revendications précédentes, caractérisé en ce qu'un espace de mélange (27) pour l'air primaire et l'air ambiant est disposé en amont de l'échangeur de chaleur (28).
  10. Équipement de conditionnement d'air ambiant selon l'une des revendications précédentes, caractérisé par la conception en tant qu'appareil centralisé (2).
  11. Équipement de conditionnement d'air ambiant selon l'une des revendications précédentes, caractérisé par la conception en tant qu'appareil décentralisé (45).
  12. Équipement de conditionnement d'air ambiant selon l'une des revendications précédentes, caractérisé par la conception en tant qu'appareil sous plancher (3).
  13. Équipement de conditionnement d'air ambiant selon l'une des revendications précédentes, caractérisé par la conception en tant qu'appareil de balustrade.
  14. Équipement de conditionnement d'air ambiant selon l'une des revendications précédentes, caractérisé par la conception en tant qu'appareil sous plafond.
  15. Équipement de conditionnement d'air ambiant selon l'une des revendications précédentes, caractérisé en ce que l'échangeur de chaleur (28) est disposé en biais dans un boîtier (4) de l'équipement (1) de conditionnement d'air ambiant.
  16. Équipement de conditionnement d'air ambiant selon la revendication 15, caractérisé en ce que l'entrée d'air ambiant (31) et la sortie d'air amené (36) reposent sur le même premier côté de boîtier (14) du boîtier (4).
  17. Équipement de conditionnement d'air ambiant selon la revendication 16, caractérisé en ce que le raccordement d'air primaire (22) repose sur un second côté de boîtier (15) qui inclut un angle avec le premier côté de boîtier (14).
  18. Équipement de conditionnement d'air ambiant selon la revendication 16 ou 17, caractérisé en ce que le premier côté de boîtier (14) présente une grille de ventilation (13) ou est formé par une grille de ventilation (13).
  19. Équipement de conditionnement d'air ambiant selon la revendication 18, caractérisé en ce que l'échangeur de chaleur (28) est amené jusqu'à la grille de ventilation (13) et délimite ainsi l'ouverture de l'entrée d'air ambiant (31).
  20. Équipement de conditionnement d'air ambiant selon la revendication 3, caractérisé en ce que le ventilateur tangentiel (34) présente un générateur de tourbillons (38) qui est disposé sur la grille de ventilation (13) et délimite ainsi l'ouverture de la sortie d'air amené (36).
  21. Procédé pour chauffer, rafraîchir et/ou aérer une pièce, en particulier en employant un équipement de conditionnement d'air ambiant selon l'une ou plusieurs des revendications précédentes, comprenant les étapes suivantes :
    - amenée d'air ambiant et en fonction des besoins, d'air primaire vers un échangeur de chaleur,
    - transport de l'air provenant de l'échangeur de chaleur en aval de l'échangeur de chaleur, en fonction des besoins,
    - introduction dans la pièce de l'air provenant de l'échangeur de chaleur en tant qu'air amené.
EP05003232.5A 2004-03-05 2005-02-16 Appareil de traitement de l'air d'une pièce pour chauffer, refroidir et/ou ventiler une pièce et méthode correspondante Not-in-force EP1571402B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004010738A DE102004010738A1 (de) 2004-03-05 2004-03-05 Raumlufttechnische Einrichtung zum Heizen, Kühlen und/oder Belüften eines Raumes sowie entsprechendes Verfahren
DE102004010738 2004-03-05

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Publication Number Publication Date
EP1571402A1 EP1571402A1 (fr) 2005-09-07
EP1571402B1 true EP1571402B1 (fr) 2017-08-16

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EP05003232.5A Not-in-force EP1571402B1 (fr) 2004-03-05 2005-02-16 Appareil de traitement de l'air d'une pièce pour chauffer, refroidir et/ou ventiler une pièce et méthode correspondante

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EP (1) EP1571402B1 (fr)
DE (1) DE102004010738A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102007007711B4 (de) * 2007-02-16 2014-03-27 Ltg Ag Verfahren und Vorrichtung zum Lüften, Heizen und/oder Kühlen eines Raumes
DE102007007928A1 (de) * 2007-02-17 2008-08-21 Ltg Aktiengesellschaft Lufttechnische Einrichtung
EP2051017B1 (fr) * 2007-10-16 2021-11-10 Kampmann GmbH & Co. KG Dispositif de climatisation de pièces
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